annotate Lib/cgi.py @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents f0bc6d8aa21e
children 9347379bd5fb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /usr/local/bin/python
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2
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3 # NOTE: the above "/usr/local/bin/python" is NOT a mistake. It is
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4 # intentionally NOT "/usr/bin/env python". On many systems
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5 # (e.g. Solaris), /usr/local/bin is not in $PATH as passed to CGI
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6 # scripts, and /usr/local/bin is the default directory where Python is
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7 # installed, so /usr/bin/env would be unable to find python. Granted,
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8 # binary installations by Linux vendors often install Python in
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9 # /usr/bin. So let those vendors patch cgi.py to match their choice
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10 # of installation.
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11
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12 """Support module for CGI (Common Gateway Interface) scripts.
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13
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14 This module defines a number of utilities for use by CGI scripts
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15 written in Python.
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16 """
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17
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18 # XXX Perhaps there should be a slimmed version that doesn't contain
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19 # all those backwards compatible and debugging classes and functions?
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20
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21 # History
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22 # -------
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23 #
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24 # Michael McLay started this module. Steve Majewski changed the
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25 # interface to SvFormContentDict and FormContentDict. The multipart
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26 # parsing was inspired by code submitted by Andreas Paepcke. Guido van
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27 # Rossum rewrote, reformatted and documented the module and is currently
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28 # responsible for its maintenance.
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29 #
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30
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31 __version__ = "2.6"
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32
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33
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34 # Imports
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35 # =======
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36
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37 from operator import attrgetter
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38 import sys
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39 import os
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40 import urllib
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41 import UserDict
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42 import urlparse
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43
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44 from warnings import filterwarnings, catch_warnings, warn
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45 with catch_warnings():
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46 if sys.py3kwarning:
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47 filterwarnings("ignore", ".*mimetools has been removed",
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48 DeprecationWarning)
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49 import mimetools
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50 if sys.py3kwarning:
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51 filterwarnings("ignore", ".*rfc822 has been removed", DeprecationWarning)
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52 import rfc822
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53
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54 try:
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55 from cStringIO import StringIO
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56 except ImportError:
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57 from StringIO import StringIO
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58
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59 __all__ = ["MiniFieldStorage", "FieldStorage", "FormContentDict",
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60 "SvFormContentDict", "InterpFormContentDict", "FormContent",
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61 "parse", "parse_qs", "parse_qsl", "parse_multipart",
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62 "parse_header", "print_exception", "print_environ",
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63 "print_form", "print_directory", "print_arguments",
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64 "print_environ_usage", "escape"]
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65
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66 # Logging support
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67 # ===============
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68
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69 logfile = "" # Filename to log to, if not empty
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70 logfp = None # File object to log to, if not None
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71
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72 def initlog(*allargs):
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73 """Write a log message, if there is a log file.
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74
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75 Even though this function is called initlog(), you should always
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76 use log(); log is a variable that is set either to initlog
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77 (initially), to dolog (once the log file has been opened), or to
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78 nolog (when logging is disabled).
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79
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80 The first argument is a format string; the remaining arguments (if
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81 any) are arguments to the % operator, so e.g.
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82 log("%s: %s", "a", "b")
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83 will write "a: b" to the log file, followed by a newline.
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84
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85 If the global logfp is not None, it should be a file object to
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86 which log data is written.
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87
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88 If the global logfp is None, the global logfile may be a string
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89 giving a filename to open, in append mode. This file should be
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90 world writable!!! If the file can't be opened, logging is
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91 silently disabled (since there is no safe place where we could
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92 send an error message).
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93
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94 """
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95 global logfp, log
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96 if logfile and not logfp:
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97 try:
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98 logfp = open(logfile, "a")
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99 except IOError:
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100 pass
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101 if not logfp:
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102 log = nolog
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103 else:
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104 log = dolog
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105 log(*allargs)
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106
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107 def dolog(fmt, *args):
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108 """Write a log message to the log file. See initlog() for docs."""
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109 logfp.write(fmt%args + "\n")
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110
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111 def nolog(*allargs):
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112 """Dummy function, assigned to log when logging is disabled."""
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113 pass
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114
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115 log = initlog # The current logging function
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116
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117
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118 # Parsing functions
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119 # =================
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120
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121 # Maximum input we will accept when REQUEST_METHOD is POST
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122 # 0 ==> unlimited input
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123 maxlen = 0
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124
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125 def parse(fp=None, environ=os.environ, keep_blank_values=0, strict_parsing=0):
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126 """Parse a query in the environment or from a file (default stdin)
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127
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128 Arguments, all optional:
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129
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130 fp : file pointer; default: sys.stdin
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131
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132 environ : environment dictionary; default: os.environ
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133
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134 keep_blank_values: flag indicating whether blank values in
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135 URL encoded forms should be treated as blank strings.
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136 A true value indicates that blanks should be retained as
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137 blank strings. The default false value indicates that
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138 blank values are to be ignored and treated as if they were
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139 not included.
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140
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141 strict_parsing: flag indicating what to do with parsing errors.
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142 If false (the default), errors are silently ignored.
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parents: 6941
diff changeset
143 If true, errors raise a ValueError exception.
3794
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parents: 3630
diff changeset
144 """
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Raymond Hettinger <python@rcn.com>
parents: 22830
diff changeset
145 if fp is None:
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diff changeset
146 fp = sys.stdin
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parents: 23609
diff changeset
147 if not 'REQUEST_METHOD' in environ:
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diff changeset
148 environ['REQUEST_METHOD'] = 'GET' # For testing stand-alone
3444
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parents: 3437
diff changeset
149 if environ['REQUEST_METHOD'] == 'POST':
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diff changeset
150 ctype, pdict = parse_header(environ['CONTENT_TYPE'])
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parents: 6941
diff changeset
151 if ctype == 'multipart/form-data':
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parents: 6941
diff changeset
152 return parse_multipart(fp, pdict)
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parents: 6941
diff changeset
153 elif ctype == 'application/x-www-form-urlencoded':
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Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
154 clength = int(environ['CONTENT_LENGTH'])
7755
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diff changeset
155 if maxlen and clength > maxlen:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
156 raise ValueError, 'Maximum content length exceeded'
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parents: 6941
diff changeset
157 qs = fp.read(clength)
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diff changeset
158 else:
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parents: 6941
diff changeset
159 qs = '' # Unknown content-type
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parents: 23609
diff changeset
160 if 'QUERY_STRING' in environ:
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diff changeset
161 if qs: qs = qs + '&'
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parents: 6941
diff changeset
162 qs = qs + environ['QUERY_STRING']
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parents: 15669
diff changeset
163 elif sys.argv[1:]:
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diff changeset
164 if qs: qs = qs + '&'
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diff changeset
165 qs = qs + sys.argv[1]
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diff changeset
166 environ['QUERY_STRING'] = qs # XXX Shouldn't, really
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parents: 23609
diff changeset
167 elif 'QUERY_STRING' in environ:
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168 qs = environ['QUERY_STRING']
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parents: 3437
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169 else:
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diff changeset
170 if sys.argv[1:]:
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diff changeset
171 qs = sys.argv[1]
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172 else:
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173 qs = ""
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diff changeset
174 environ['QUERY_STRING'] = qs # XXX Shouldn't, really
58605
f0bc6d8aa21e #7092: silence more -3 and -Wd warnings
Ezio Melotti <ezio.melotti@gmail.com>
parents: 53903
diff changeset
175 return urlparse.parse_qs(qs, keep_blank_values, strict_parsing)
2918
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parents: 2538
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176
cfa9b3a84872 added parse_qs(query_string)
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parents: 2538
diff changeset
177
48995
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
178 # parse query string function called from urlparse,
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
179 # this is done in order to maintain backward compatiblity.
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Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
180
48995
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Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
181 def parse_qs(qs, keep_blank_values=0, strict_parsing=0):
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
182 """Parse a query given as a string argument."""
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
183 warn("cgi.parse_qs is deprecated, use urlparse.parse_qs \
53903
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Philip Jenvey <pjenvey@underboss.org>
parents: 49974
diff changeset
184 instead", PendingDeprecationWarning, 2)
48995
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
185 return urlparse.parse_qs(qs, keep_blank_values, strict_parsing)
4534
d90d7b541ada Added 'strict_parsing' option to all parsing functions. This causes a
Guido van Rossum <guido@python.org>
parents: 4486
diff changeset
186
10920
3faa63430924 Patch by Jim Fulton: new function parse_qsl(), which is like
Guido van Rossum <guido@python.org>
parents: 10914
diff changeset
187
3faa63430924 Patch by Jim Fulton: new function parse_qsl(), which is like
Guido van Rossum <guido@python.org>
parents: 10914
diff changeset
188 def parse_qsl(qs, keep_blank_values=0, strict_parsing=0):
48995
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
189 """Parse a query given as a string argument."""
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
190 warn("cgi.parse_qsl is deprecated, use urlparse.parse_qsl instead",
53903
a36fa2ce61b1 Merged revisions 72458 via svnmerge from
Philip Jenvey <pjenvey@underboss.org>
parents: 49974
diff changeset
191 PendingDeprecationWarning, 2)
49080
7b1f8ede9b53 Issue 3801. Fixing a dumb error in the deprecated parse_qsl()
Facundo Batista <facundobatista@gmail.com>
parents: 48995
diff changeset
192 return urlparse.parse_qsl(qs, keep_blank_values, strict_parsing)
2135
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Guido van Rossum <guido@python.org>
parents:
diff changeset
193
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Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
194 def parse_multipart(fp, pdict):
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
195 """Parse multipart input.
2135
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Guido van Rossum <guido@python.org>
parents:
diff changeset
196
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
197 Arguments:
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
198 fp : input file
34367
5cd4fffaf910 Patch #1079734: remove dependencies on (deprecated) rfc822 and mimetools
Johannes Gijsbers <jlg@dds.nl>
parents: 34294
diff changeset
199 pdict: dictionary containing other parameters of content-type header
3432
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Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
200
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
201 Returns a dictionary just like parse_qs(): keys are the field names, each
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
202 value is a list of values for that field. This is easy to use but not
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
203 much good if you are expecting megabytes to be uploaded -- in that case,
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
204 use the FieldStorage class instead which is much more flexible. Note
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
205 that content-type is the raw, unparsed contents of the content-type
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
206 header.
15867
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Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
207
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
208 XXX This does not parse nested multipart parts -- use FieldStorage for
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
209 that.
15867
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Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
210
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
211 XXX This should really be subsumed by FieldStorage altogether -- no
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
212 point in having two implementations of the same parsing algorithm.
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
213 Also, FieldStorage protects itself better against certain DoS attacks
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
214 by limiting the size of the data read in one chunk. The API here
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
215 does not support that kind of protection. This also affects parse()
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
216 since it can call parse_multipart().
3432
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Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
217
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
218 """
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
219 boundary = ""
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
220 if 'boundary' in pdict:
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
221 boundary = pdict['boundary']
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
222 if not valid_boundary(boundary):
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
223 raise ValueError, ('Invalid boundary in multipart form: %r'
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
224 % (boundary,))
19119
600a9a2b7a18 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 18833
diff changeset
225
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
226 nextpart = "--" + boundary
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
227 lastpart = "--" + boundary + "--"
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
228 partdict = {}
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
229 terminator = ""
3432
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Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
230
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
231 while terminator != lastpart:
7755
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diff changeset
232 bytes = -1
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diff changeset
233 data = None
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
234 if terminator:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
235 # At start of next part. Read headers first.
35598
40ddf366f5a1 Reverted revision 1.83, which introduced a bug and subtle incompatibility
Armin Rigo <arigo@tunes.org>
parents: 35299
diff changeset
236 headers = mimetools.Message(fp)
7755
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diff changeset
237 clength = headers.getheader('content-length')
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
238 if clength:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
239 try:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
240 bytes = int(clength)
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
241 except ValueError:
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
242 pass
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
243 if bytes > 0:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
244 if maxlen and bytes > maxlen:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
245 raise ValueError, 'Maximum content length exceeded'
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
246 data = fp.read(bytes)
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
247 else:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
248 data = ""
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
249 # Read lines until end of part.
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
250 lines = []
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
251 while 1:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
252 line = fp.readline()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
253 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
254 terminator = lastpart # End outer loop
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
255 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
256 if line[:2] == "--":
16503
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Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
257 terminator = line.strip()
7755
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parents: 6941
diff changeset
258 if terminator in (nextpart, lastpart):
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
259 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
260 lines.append(line)
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
261 # Done with part.
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
262 if data is None:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
263 continue
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
264 if bytes < 0:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
265 if lines:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
266 # Strip final line terminator
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
267 line = lines[-1]
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
268 if line[-2:] == "\r\n":
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
269 line = line[:-2]
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
270 elif line[-1:] == "\n":
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
271 line = line[:-1]
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parents: 6941
diff changeset
272 lines[-1] = line
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273 data = "".join(lines)
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274 line = headers['content-disposition']
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275 if not line:
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276 continue
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277 key, params = parse_header(line)
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278 if key != 'form-data':
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279 continue
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280 if 'name' in params:
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281 name = params['name']
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282 else:
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283 continue
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284 if name in partdict:
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285 partdict[name].append(data)
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286 else:
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287 partdict[name] = [data]
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288
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289 return partdict
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290
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291
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292 def _parseparam(s):
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293 while s[:1] == ';':
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294 s = s[1:]
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295 end = s.find(';')
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296 while end > 0 and s.count('"', 0, end) % 2:
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297 end = s.find(';', end + 1)
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298 if end < 0:
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299 end = len(s)
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300 f = s[:end]
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301 yield f.strip()
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302 s = s[end:]
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303
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304 def parse_header(line):
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305 """Parse a Content-type like header.
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306
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307 Return the main content-type and a dictionary of options.
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308
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309 """
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310 parts = _parseparam(';' + line)
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311 key = parts.next()
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312 pdict = {}
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313 for p in parts:
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314 i = p.find('=')
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315 if i >= 0:
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316 name = p[:i].strip().lower()
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317 value = p[i+1:].strip()
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318 if len(value) >= 2 and value[0] == value[-1] == '"':
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319 value = value[1:-1]
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320 value = value.replace('\\\\', '\\').replace('\\"', '"')
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321 pdict[name] = value
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322 return key, pdict
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323
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324
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325 # Classes for field storage
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326 # =========================
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327
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328 class MiniFieldStorage:
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329
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330 """Like FieldStorage, for use when no file uploads are possible."""
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331
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332 # Dummy attributes
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333 filename = None
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334 list = None
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335 type = None
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336 file = None
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337 type_options = {}
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338 disposition = None
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339 disposition_options = {}
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340 headers = {}
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341
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342 def __init__(self, name, value):
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343 """Constructor from field name and value."""
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344 self.name = name
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345 self.value = value
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346 # self.file = StringIO(value)
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347
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348 def __repr__(self):
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349 """Return printable representation."""
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350 return "MiniFieldStorage(%r, %r)" % (self.name, self.value)
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351
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352
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353 class FieldStorage:
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354
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355 """Store a sequence of fields, reading multipart/form-data.
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356
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357 This class provides naming, typing, files stored on disk, and
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358 more. At the top level, it is accessible like a dictionary, whose
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359 keys are the field names. (Note: None can occur as a field name.)
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360 The items are either a Python list (if there's multiple values) or
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361 another FieldStorage or MiniFieldStorage object. If it's a single
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362 object, it has the following attributes:
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363
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364 name: the field name, if specified; otherwise None
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365
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366 filename: the filename, if specified; otherwise None; this is the
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367 client side filename, *not* the file name on which it is
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368 stored (that's a temporary file you don't deal with)
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369
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370 value: the value as a *string*; for file uploads, this
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371 transparently reads the file every time you request the value
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372
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373 file: the file(-like) object from which you can read the data;
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374 None if the data is stored a simple string
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375
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376 type: the content-type, or None if not specified
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377
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378 type_options: dictionary of options specified on the content-type
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379 line
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380
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381 disposition: content-disposition, or None if not specified
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382
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383 disposition_options: dictionary of corresponding options
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384
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385 headers: a dictionary(-like) object (sometimes rfc822.Message or a
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386 subclass thereof) containing *all* headers
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387
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388 The class is subclassable, mostly for the purpose of overriding
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389 the make_file() method, which is called internally to come up with
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390 a file open for reading and writing. This makes it possible to
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391 override the default choice of storing all files in a temporary
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392 directory and unlinking them as soon as they have been opened.
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393
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394 """
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395
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396 def __init__(self, fp=None, headers=None, outerboundary="",
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397 environ=os.environ, keep_blank_values=0, strict_parsing=0):
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398 """Constructor. Read multipart/* until last part.
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399
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400 Arguments, all optional:
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401
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402 fp : file pointer; default: sys.stdin
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403 (not used when the request method is GET)
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404
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405 headers : header dictionary-like object; default:
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406 taken from environ as per CGI spec
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407
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408 outerboundary : terminating multipart boundary
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
409 (for internal use only)
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
410
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
411 environ : environment dictionary; default: os.environ
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
412
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
413 keep_blank_values: flag indicating whether blank values in
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
414 URL encoded forms should be treated as blank strings.
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
415 A true value indicates that blanks should be retained as
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
416 blank strings. The default false value indicates that
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
417 blank values are to be ignored and treated as if they were
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
418 not included.
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
419
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
420 strict_parsing: flag indicating what to do with parsing errors.
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
421 If false (the default), errors are silently ignored.
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
422 If true, errors raise a ValueError exception.
4534
d90d7b541ada Added 'strict_parsing' option to all parsing functions. This causes a
Guido van Rossum <guido@python.org>
parents: 4486
diff changeset
423
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
424 """
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
425 method = 'GET'
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
426 self.keep_blank_values = keep_blank_values
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
427 self.strict_parsing = strict_parsing
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
428 if 'REQUEST_METHOD' in environ:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
429 method = environ['REQUEST_METHOD'].upper()
47798
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
430 self.qs_on_post = None
8548
fac33716a218 Treat "HEAD" same as "GET", so that CGI scripts won't fail.
Guido van Rossum <guido@python.org>
parents: 8485
diff changeset
431 if method == 'GET' or method == 'HEAD':
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
432 if 'QUERY_STRING' in environ:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
433 qs = environ['QUERY_STRING']
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
434 elif sys.argv[1:]:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
435 qs = sys.argv[1]
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
436 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
437 qs = ""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
438 fp = StringIO(qs)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
439 if headers is None:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
440 headers = {'content-type':
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
441 "application/x-www-form-urlencoded"}
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
442 if headers is None:
8485
7f94b4958056 Be more careful than the previous patch. The default content-type
Guido van Rossum <guido@python.org>
parents: 8477
diff changeset
443 headers = {}
7f94b4958056 Be more careful than the previous patch. The default content-type
Guido van Rossum <guido@python.org>
parents: 8477
diff changeset
444 if method == 'POST':
7f94b4958056 Be more careful than the previous patch. The default content-type
Guido van Rossum <guido@python.org>
parents: 8477
diff changeset
445 # Set default content-type for POST to what's traditional
7f94b4958056 Be more careful than the previous patch. The default content-type
Guido van Rossum <guido@python.org>
parents: 8477
diff changeset
446 headers['content-type'] = "application/x-www-form-urlencoded"
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
447 if 'CONTENT_TYPE' in environ:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
448 headers['content-type'] = environ['CONTENT_TYPE']
47798
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
449 if 'QUERY_STRING' in environ:
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
450 self.qs_on_post = environ['QUERY_STRING']
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
451 if 'CONTENT_LENGTH' in environ:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
452 headers['content-length'] = environ['CONTENT_LENGTH']
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
453 self.fp = fp or sys.stdin
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
454 self.headers = headers
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
455 self.outerboundary = outerboundary
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
456
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
457 # Process content-disposition header
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
458 cdisp, pdict = "", {}
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
459 if 'content-disposition' in self.headers:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
460 cdisp, pdict = parse_header(self.headers['content-disposition'])
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
461 self.disposition = cdisp
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
462 self.disposition_options = pdict
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
463 self.name = None
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
464 if 'name' in pdict:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
465 self.name = pdict['name']
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
466 self.filename = None
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
467 if 'filename' in pdict:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
468 self.filename = pdict['filename']
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
469
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
470 # Process content-type header
9821
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
471 #
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
472 # Honor any existing content-type header. But if there is no
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
473 # content-type header, use some sensible defaults. Assume
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
474 # outerboundary is "" at the outer level, but something non-false
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
475 # inside a multi-part. The default for an inner part is text/plain,
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
476 # but for an outer part it should be urlencoded. This should catch
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
477 # bogus clients which erroneously forget to include a content-type
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
478 # header.
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
479 #
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
480 # See below for what we do if there does exist a content-type header,
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
481 # but it happens to be something we don't understand.
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
482 if 'content-type' in self.headers:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
483 ctype, pdict = parse_header(self.headers['content-type'])
10914
3fdf1c7d9f98 At Jim Fulton's request (actually, as a compromise :-), default the
Guido van Rossum <guido@python.org>
parents: 9821
diff changeset
484 elif self.outerboundary or method != 'POST':
9821
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
485 ctype, pdict = "text/plain", {}
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
486 else:
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
487 ctype, pdict = 'application/x-www-form-urlencoded', {}
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
488 self.type = ctype
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
489 self.type_options = pdict
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
490 self.innerboundary = ""
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
491 if 'boundary' in pdict:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
492 self.innerboundary = pdict['boundary']
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
493 clen = -1
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
494 if 'content-length' in self.headers:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
495 try:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
496 clen = int(self.headers['content-length'])
22476
d77e748865ff tighten up except - only ValueError can be raised in this situation
Skip Montanaro <skip@pobox.com>
parents: 21917
diff changeset
497 except ValueError:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
498 pass
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
499 if maxlen and clen > maxlen:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
500 raise ValueError, 'Maximum content length exceeded'
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
501 self.length = clen
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
502
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
503 self.list = self.file = None
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
504 self.done = 0
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
505 if ctype == 'application/x-www-form-urlencoded':
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
506 self.read_urlencoded()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
507 elif ctype[:10] == 'multipart/':
9410
620e02250c80 Patch by Jim Fulton, who writes:
Guido van Rossum <guido@python.org>
parents: 8548
diff changeset
508 self.read_multi(environ, keep_blank_values, strict_parsing)
10976
0f0a66c1deac After more discussion with Jim, change the behavior so that only a
Guido van Rossum <guido@python.org>
parents: 10920
diff changeset
509 else:
9821
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
510 self.read_single()
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
511
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
512 def __repr__(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
513 """Return a printable representation."""
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
514 return "FieldStorage(%r, %r, %r)" % (
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
515 self.name, self.filename, self.value)
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
516
25214
5330c0620810 Patch suggested by Hamish Lawson: add an __iter__() that returns
Guido van Rossum <guido@python.org>
parents: 24058
diff changeset
517 def __iter__(self):
5330c0620810 Patch suggested by Hamish Lawson: add an __iter__() that returns
Guido van Rossum <guido@python.org>
parents: 24058
diff changeset
518 return iter(self.keys())
5330c0620810 Patch suggested by Hamish Lawson: add an __iter__() that returns
Guido van Rossum <guido@python.org>
parents: 24058
diff changeset
519
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
520 def __getattr__(self, name):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
521 if name != 'value':
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
522 raise AttributeError, name
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
523 if self.file:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
524 self.file.seek(0)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
525 value = self.file.read()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
526 self.file.seek(0)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
527 elif self.list is not None:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
528 value = self.list
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
529 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
530 value = None
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
531 return value
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
532
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
533 def __getitem__(self, key):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
534 """Dictionary style indexing."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
535 if self.list is None:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
536 raise TypeError, "not indexable"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
537 found = []
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
538 for item in self.list:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
539 if item.name == key: found.append(item)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
540 if not found:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
541 raise KeyError, key
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
542 if len(found) == 1:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
543 return found[0]
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
544 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
545 return found
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
546
14196
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
547 def getvalue(self, key, default=None):
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
548 """Dictionary style get() method, including 'value' lookup."""
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
549 if key in self:
14196
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
550 value = self[key]
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
551 if type(value) is type([]):
34294
3e9a4d531e56 Remove some lambdas.
Raymond Hettinger <python@rcn.com>
parents: 34293
diff changeset
552 return map(attrgetter('value'), value)
14196
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
553 else:
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
554 return value.value
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
555 else:
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
556 return default
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
557
19744
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
558 def getfirst(self, key, default=None):
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
559 """ Return the first value received."""
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
560 if key in self:
19744
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
561 value = self[key]
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
562 if type(value) is type([]):
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
563 return value[0].value
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
564 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
565 return value.value
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
566 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
567 return default
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
568
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
569 def getlist(self, key):
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
570 """ Return list of received values."""
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
571 if key in self:
19744
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
572 value = self[key]
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
573 if type(value) is type([]):
34294
3e9a4d531e56 Remove some lambdas.
Raymond Hettinger <python@rcn.com>
parents: 34293
diff changeset
574 return map(attrgetter('value'), value)
19744
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
575 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
576 return [value.value]
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
577 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
578 return []
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
579
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
580 def keys(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
581 """Dictionary style keys() method."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
582 if self.list is None:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
583 raise TypeError, "not indexable"
43414
7d14a3188850 Patch #1541463: optimize performance of cgi.FieldStorage operations.
Georg Brandl <georg@python.org>
parents: 39931
diff changeset
584 return list(set(item.name for item in self.list))
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
585
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
586 def has_key(self, key):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
587 """Dictionary style has_key() method."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
588 if self.list is None:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
589 raise TypeError, "not indexable"
43414
7d14a3188850 Patch #1541463: optimize performance of cgi.FieldStorage operations.
Georg Brandl <georg@python.org>
parents: 39931
diff changeset
590 return any(item.name == key for item in self.list)
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
591
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
592 def __contains__(self, key):
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
593 """Dictionary style __contains__ method."""
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
594 if self.list is None:
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
595 raise TypeError, "not indexable"
43414
7d14a3188850 Patch #1541463: optimize performance of cgi.FieldStorage operations.
Georg Brandl <georg@python.org>
parents: 39931
diff changeset
596 return any(item.name == key for item in self.list)
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
597
4931
18023e7c3862 Add __len__ method
Guido van Rossum <guido@python.org>
parents: 4573
diff changeset
598 def __len__(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
599 """Dictionary style len(x) support."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
600 return len(self.keys())
4931
18023e7c3862 Add __len__ method
Guido van Rossum <guido@python.org>
parents: 4573
diff changeset
601
43414
7d14a3188850 Patch #1541463: optimize performance of cgi.FieldStorage operations.
Georg Brandl <georg@python.org>
parents: 39931
diff changeset
602 def __nonzero__(self):
7d14a3188850 Patch #1541463: optimize performance of cgi.FieldStorage operations.
Georg Brandl <georg@python.org>
parents: 39931
diff changeset
603 return bool(self.list)
7d14a3188850 Patch #1541463: optimize performance of cgi.FieldStorage operations.
Georg Brandl <georg@python.org>
parents: 39931
diff changeset
604
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
605 def read_urlencoded(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
606 """Internal: read data in query string format."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
607 qs = self.fp.read(self.length)
47798
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
608 if self.qs_on_post:
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
609 qs += '&' + self.qs_on_post
10920
3faa63430924 Patch by Jim Fulton: new function parse_qsl(), which is like
Guido van Rossum <guido@python.org>
parents: 10914
diff changeset
610 self.list = list = []
48995
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
611 for key, value in urlparse.parse_qsl(qs, self.keep_blank_values,
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
612 self.strict_parsing):
10920
3faa63430924 Patch by Jim Fulton: new function parse_qsl(), which is like
Guido van Rossum <guido@python.org>
parents: 10914
diff changeset
613 list.append(MiniFieldStorage(key, value))
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
614 self.skip_lines()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
615
9615
c03787ec9811 In read_multi, allow a subclass to override the class we instantiate
Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
616 FieldStorageClass = None
c03787ec9811 In read_multi, allow a subclass to override the class we instantiate
Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
617
9410
620e02250c80 Patch by Jim Fulton, who writes:
Guido van Rossum <guido@python.org>
parents: 8548
diff changeset
618 def read_multi(self, environ, keep_blank_values, strict_parsing):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
619 """Internal: read a part that is itself multipart."""
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
620 ib = self.innerboundary
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
621 if not valid_boundary(ib):
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
622 raise ValueError, 'Invalid boundary in multipart form: %r' % (ib,)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
623 self.list = []
47798
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
624 if self.qs_on_post:
48995
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
625 for key, value in urlparse.parse_qsl(self.qs_on_post,
2b855a947f0f Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48948
diff changeset
626 self.keep_blank_values, self.strict_parsing):
47798
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
627 self.list.append(MiniFieldStorage(key, value))
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
628 FieldStorageClass = None
5e8a7f9d9523 Now a from submitted via POST that also has a query string
Facundo Batista <facundobatista@gmail.com>
parents: 43414
diff changeset
629
9615
c03787ec9811 In read_multi, allow a subclass to override the class we instantiate
Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
630 klass = self.FieldStorageClass or self.__class__
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
631 part = klass(self.fp, {}, ib,
9615
c03787ec9811 In read_multi, allow a subclass to override the class we instantiate
Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
632 environ, keep_blank_values, strict_parsing)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
633 # Throw first part away
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
634 while not part.done:
35598
40ddf366f5a1 Reverted revision 1.83, which introduced a bug and subtle incompatibility
Armin Rigo <arigo@tunes.org>
parents: 35299
diff changeset
635 headers = rfc822.Message(self.fp)
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
636 part = klass(self.fp, headers, ib,
9615
c03787ec9811 In read_multi, allow a subclass to override the class we instantiate
Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
637 environ, keep_blank_values, strict_parsing)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
638 self.list.append(part)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
639 self.skip_lines()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
640
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
641 def read_single(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
642 """Internal: read an atomic part."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
643 if self.length >= 0:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
644 self.read_binary()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
645 self.skip_lines()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
646 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
647 self.read_lines()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
648 self.file.seek(0)
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
649
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
650 bufsize = 8*1024 # I/O buffering size for copy to file
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
651
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
652 def read_binary(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
653 """Internal: read binary data."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
654 self.file = self.make_file('b')
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
655 todo = self.length
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
656 if todo >= 0:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
657 while todo > 0:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
658 data = self.fp.read(min(todo, self.bufsize))
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
659 if not data:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
660 self.done = -1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
661 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
662 self.file.write(data)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
663 todo = todo - len(data)
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
664
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
665 def read_lines(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
666 """Internal: read lines until EOF or outerboundary."""
18337
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
667 self.file = self.__file = StringIO()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
668 if self.outerboundary:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
669 self.read_lines_to_outerboundary()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
670 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
671 self.read_lines_to_eof()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
672
18337
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
673 def __write(self, line):
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
674 if self.__file is not None:
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
675 if self.__file.tell() + len(line) > 1000:
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
676 self.file = self.make_file('')
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
677 self.file.write(self.__file.getvalue())
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
678 self.__file = None
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
679 self.file.write(line)
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
680
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
681 def read_lines_to_eof(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
682 """Internal: read lines until EOF."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
683 while 1:
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
684 line = self.fp.readline(1<<16)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
685 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
686 self.done = -1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
687 break
18337
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
688 self.__write(line)
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
689
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
690 def read_lines_to_outerboundary(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
691 """Internal: read lines until outerboundary."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
692 next = "--" + self.outerboundary
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
693 last = next + "--"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
694 delim = ""
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
695 last_line_lfend = True
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
696 while 1:
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
697 line = self.fp.readline(1<<16)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
698 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
699 self.done = -1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
700 break
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
701 if line[:2] == "--" and last_line_lfend:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
702 strippedline = line.strip()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
703 if strippedline == next:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
704 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
705 if strippedline == last:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
706 self.done = 1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
707 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
708 odelim = delim
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
709 if line[-2:] == "\r\n":
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
710 delim = "\r\n"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
711 line = line[:-2]
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
712 last_line_lfend = True
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
713 elif line[-1] == "\n":
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
714 delim = "\n"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
715 line = line[:-1]
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
716 last_line_lfend = True
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
717 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
718 delim = ""
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
719 last_line_lfend = False
18337
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
720 self.__write(odelim + line)
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
721
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
722 def skip_lines(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
723 """Internal: skip lines until outer boundary if defined."""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
724 if not self.outerboundary or self.done:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
725 return
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
726 next = "--" + self.outerboundary
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
727 last = next + "--"
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
728 last_line_lfend = True
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
729 while 1:
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
730 line = self.fp.readline(1<<16)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
731 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
732 self.done = -1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
733 break
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
734 if line[:2] == "--" and last_line_lfend:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
735 strippedline = line.strip()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
736 if strippedline == next:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
737 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
738 if strippedline == last:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
739 self.done = 1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
740 break
39427
9f08516a4d0c Chris McDonough's patch to defend against certain DoS attacks on FieldStorage.
Guido van Rossum <guido@python.org>
parents: 35598
diff changeset
741 last_line_lfend = line.endswith('\n')
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
742
5988
5993a099d9b0 Changes suggested by Jim fulton:
Guido van Rossum <guido@python.org>
parents: 5870
diff changeset
743 def make_file(self, binary=None):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
744 """Overridable: return a readable & writable file.
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
745
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
746 The file will be used as follows:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
747 - data is written to it
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
748 - seek(0)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
749 - data is read from it
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
750
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
751 The 'binary' argument is unused -- the file is always opened
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
752 in binary mode.
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
753
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
754 This version opens a temporary file for reading and writing,
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
755 and immediately deletes (unlinks) it. The trick (on Unix!) is
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
756 that the file can still be used, but it can't be opened by
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
757 another process, and it will automatically be deleted when it
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
758 is closed or when the current process terminates.
3447
db76fd390f74 Change to use real temporary files instead of StringIO. Correct and
Guido van Rossum <guido@python.org>
parents: 3446
diff changeset
759
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
760 If you want a more permanent file, you derive a class which
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
761 overrides this method. If you want a visible temporary file
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
762 that is nevertheless automatically deleted when the script
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
763 terminates, try defining a __del__ method in a derived class
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
764 which unlinks the temporary files you have created.
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
765
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
766 """
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
767 import tempfile
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
768 return tempfile.TemporaryFile("w+b")
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
769
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
770
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
771
3447
db76fd390f74 Change to use real temporary files instead of StringIO. Correct and
Guido van Rossum <guido@python.org>
parents: 3446
diff changeset
772 # Backwards Compatibility Classes
db76fd390f74 Change to use real temporary files instead of StringIO. Correct and
Guido van Rossum <guido@python.org>
parents: 3446
diff changeset
773 # ===============================
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
774
14196
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
775 class FormContentDict(UserDict.UserDict):
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
776 """Form content as dictionary with a list of values per field.
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
777
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
778 form = FormContentDict()
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
779
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
780 form[key] -> [value, value, ...]
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
781 key in form -> Boolean
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
782 form.keys() -> [key, key, ...]
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
783 form.values() -> [[val, val, ...], [val, val, ...], ...]
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
784 form.items() -> [(key, [val, val, ...]), (key, [val, val, ...]), ...]
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
785 form.dict == {key: [val, val, ...], ...}
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
786
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
787 """
39931
ffb901374a38 Bug #1457823: cgi.(Sv)FormContentDict's constructor now takes
Georg Brandl <georg@python.org>
parents: 39427
diff changeset
788 def __init__(self, environ=os.environ, keep_blank_values=0, strict_parsing=0):
ffb901374a38 Bug #1457823: cgi.(Sv)FormContentDict's constructor now takes
Georg Brandl <georg@python.org>
parents: 39427
diff changeset
789 self.dict = self.data = parse(environ=environ,
ffb901374a38 Bug #1457823: cgi.(Sv)FormContentDict's constructor now takes
Georg Brandl <georg@python.org>
parents: 39427
diff changeset
790 keep_blank_values=keep_blank_values,
ffb901374a38 Bug #1457823: cgi.(Sv)FormContentDict's constructor now takes
Georg Brandl <georg@python.org>
parents: 39427
diff changeset
791 strict_parsing=strict_parsing)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
792 self.query_string = environ['QUERY_STRING']
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
793
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
794
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
795 class SvFormContentDict(FormContentDict):
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
796 """Form content as dictionary expecting a single value per field.
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
797
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
798 If you only expect a single value for each field, then form[key]
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
799 will return that single value. It will raise an IndexError if
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
800 that expectation is not true. If you expect a field to have
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
801 possible multiple values, than you can use form.getlist(key) to
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
802 get all of the values. values() and items() are a compromise:
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
803 they return single strings where there is a single value, and
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
804 lists of strings otherwise.
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
805
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
806 """
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
807 def __getitem__(self, key):
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
808 if len(self.dict[key]) > 1:
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
809 raise IndexError, 'expecting a single value'
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
810 return self.dict[key][0]
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
811 def getlist(self, key):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
812 return self.dict[key]
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
813 def values(self):
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
814 result = []
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
815 for value in self.dict.values():
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
816 if len(value) == 1:
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
817 result.append(value[0])
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
818 else: result.append(value)
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
819 return result
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
820 def items(self):
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
821 result = []
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
822 for key, value in self.dict.items():
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
823 if len(value) == 1:
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
824 result.append((key, value[0]))
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
825 else: result.append((key, value))
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
826 return result
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
827
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
828
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
829 class InterpFormContentDict(SvFormContentDict):
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
830 """This class is present for backwards compatibility only."""
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
831 def __getitem__(self, key):
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
832 v = SvFormContentDict.__getitem__(self, key)
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
833 if v[0] in '0123456789+-.':
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
834 try: return int(v)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
835 except ValueError:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
836 try: return float(v)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
837 except ValueError: pass
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
838 return v.strip()
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
839 def values(self):
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
840 result = []
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
841 for key in self.keys():
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
842 try:
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
843 result.append(self[key])
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
844 except IndexError:
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
845 result.append(self.dict[key])
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
846 return result
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
847 def items(self):
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
848 result = []
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
849 for key in self.keys():
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
850 try:
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
851 result.append((key, self[key]))
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
852 except IndexError:
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
853 result.append((key, self.dict[key]))
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
854 return result
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
855
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
856
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
857 class FormContent(FormContentDict):
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
858 """This class is present for backwards compatibility only."""
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
859 def values(self, key):
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
860 if key in self.dict :return self.dict[key]
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
861 else: return None
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
862 def indexed_value(self, key, location):
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
863 if key in self.dict:
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
864 if len(self.dict[key]) > location:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
865 return self.dict[key][location]
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
866 else: return None
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
867 else: return None
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
868 def value(self, key):
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
869 if key in self.dict: return self.dict[key][0]
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
870 else: return None
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
871 def length(self, key):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
872 return len(self.dict[key])
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
Guido van Rossum <guido@python.org>
parents: 3444
diff changeset
873 def stripped(self, key):
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
874 if key in self.dict: return self.dict[key][0].strip()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
875 else: return None
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
876 def pars(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
877 return self.dict
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
878
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
879
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
880 # Test/debug code
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
881 # ===============
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
882
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
883 def test(environ=os.environ):
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
884 """Robust test CGI script, usable as main program.
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
885
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
886 Write minimal HTTP headers and dump all information provided to
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
887 the script in HTML form.
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
888
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
889 """
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
890 print "Content-type: text/html"
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
891 print
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
892 sys.stderr = sys.stdout
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
893 try:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
894 form = FieldStorage() # Replace with other classes to test those
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
895 print_directory()
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
896 print_arguments()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
897 print_form(form)
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
898 print_environ(environ)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
899 print_environ_usage()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
900 def f():
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
901 exec "testing print_exception() -- <I>italics?</I>"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
902 def g(f=f):
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
903 f()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
904 print "<H3>What follows is a test, not an actual exception:</H3>"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
905 g()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
906 except:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
907 print_exception()
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
908
14645
2d30c35feebe Improve the test output a bit.
Guido van Rossum <guido@python.org>
parents: 14606
diff changeset
909 print "<H1>Second try with a small maxlen...</H1>"
2d30c35feebe Improve the test output a bit.
Guido van Rossum <guido@python.org>
parents: 14606
diff changeset
910
5499
b905372edd4f Untested changes by Skip Montanaro to have an optional limit on the
Guido van Rossum <guido@python.org>
parents: 5302
diff changeset
911 global maxlen
b905372edd4f Untested changes by Skip Montanaro to have an optional limit on the
Guido van Rossum <guido@python.org>
parents: 5302
diff changeset
912 maxlen = 50
b905372edd4f Untested changes by Skip Montanaro to have an optional limit on the
Guido van Rossum <guido@python.org>
parents: 5302
diff changeset
913 try:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
914 form = FieldStorage() # Replace with other classes to test those
14677
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
915 print_directory()
a7813ad73a4e Patch #101121, by Ka-Ping Yee: cosmetic cleanup of cgi.py, using my
Guido van Rossum <guido@python.org>
parents: 14645
diff changeset
916 print_arguments()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
917 print_form(form)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
918 print_environ(environ)
5499
b905372edd4f Untested changes by Skip Montanaro to have an optional limit on the
Guido van Rossum <guido@python.org>
parents: 5302
diff changeset
919 except:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
920 print_exception()
5499
b905372edd4f Untested changes by Skip Montanaro to have an optional limit on the
Guido van Rossum <guido@python.org>
parents: 5302
diff changeset
921
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
922 def print_exception(type=None, value=None, tb=None, limit=None):
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
923 if type is None:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
924 type, value, tb = sys.exc_info()
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
925 import traceback
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
926 print
15669
5c65e676f299 Make Traceback header conform to new traceback ("innermost last" ->
Guido van Rossum <guido@python.org>
parents: 15382
diff changeset
927 print "<H3>Traceback (most recent call last):</H3>"
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
928 list = traceback.format_tb(tb, limit) + \
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
929 traceback.format_exception_only(type, value)
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
930 print "<PRE>%s<B>%s</B></PRE>" % (
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
931 escape("".join(list[:-1])),
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
932 escape(list[-1]),
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
933 )
6347
2656d1eea792 Use sys.exc_info() where needed.
Guido van Rossum <guido@python.org>
parents: 5988
diff changeset
934 del tb
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
935
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
936 def print_environ(environ=os.environ):
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
937 """Dump the shell environment as HTML."""
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
938 keys = environ.keys()
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
939 keys.sort()
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
940 print
3629
e54d39107249 capitalize H3 headers; add 'cgi.' prefix to example code
Guido van Rossum <guido@python.org>
parents: 3451
diff changeset
941 print "<H3>Shell Environment:</H3>"
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
942 print "<DL>"
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
943 for key in keys:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
944 print "<DT>", escape(key), "<DD>", escape(environ[key])
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
945 print "</DL>"
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
946 print
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
947
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
948 def print_form(form):
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
949 """Dump the contents of a form as HTML."""
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
950 keys = form.keys()
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
951 keys.sort()
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
952 print
3629
e54d39107249 capitalize H3 headers; add 'cgi.' prefix to example code
Guido van Rossum <guido@python.org>
parents: 3451
diff changeset
953 print "<H3>Form Contents:</H3>"
14645
2d30c35feebe Improve the test output a bit.
Guido van Rossum <guido@python.org>
parents: 14606
diff changeset
954 if not keys:
2d30c35feebe Improve the test output a bit.
Guido van Rossum <guido@python.org>
parents: 14606
diff changeset
955 print "<P>No form fields."
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
956 print "<DL>"
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
957 for key in keys:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
958 print "<DT>" + escape(key) + ":",
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
959 value = form[key]
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
960 print "<i>" + escape(repr(type(value))) + "</i>"
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
961 print "<DD>" + escape(repr(value))
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
962 print "</DL>"
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
963 print
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
964
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
965 def print_directory():
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
966 """Dump the current directory as HTML."""
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
967 print
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
968 print "<H3>Current Working Directory:</H3>"
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
969 try:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
970 pwd = os.getcwd()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
971 except os.error, msg:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
972 print "os.error:", escape(str(msg))
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
973 else:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
974 print escape(pwd)
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
975 print
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
976
3451
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
977 def print_arguments():
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
978 print
3629
e54d39107249 capitalize H3 headers; add 'cgi.' prefix to example code
Guido van Rossum <guido@python.org>
parents: 3451
diff changeset
979 print "<H3>Command Line Arguments:</H3>"
3451
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
980 print
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
981 print sys.argv
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
982 print
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
983
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
984 def print_environ_usage():
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
985 """Dump a list of environment variables used by CGI as HTML."""
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
986 print """
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
987 <H3>These environment variables could have been set:</H3>
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
988 <UL>
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
989 <LI>AUTH_TYPE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
990 <LI>CONTENT_LENGTH
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
991 <LI>CONTENT_TYPE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
992 <LI>DATE_GMT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
993 <LI>DATE_LOCAL
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
994 <LI>DOCUMENT_NAME
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
995 <LI>DOCUMENT_ROOT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
996 <LI>DOCUMENT_URI
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
997 <LI>GATEWAY_INTERFACE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
998 <LI>LAST_MODIFIED
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
999 <LI>PATH
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1000 <LI>PATH_INFO
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1001 <LI>PATH_TRANSLATED
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1002 <LI>QUERY_STRING
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1003 <LI>REMOTE_ADDR
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1004 <LI>REMOTE_HOST
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1005 <LI>REMOTE_IDENT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1006 <LI>REMOTE_USER
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1007 <LI>REQUEST_METHOD
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1008 <LI>SCRIPT_NAME
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1009 <LI>SERVER_NAME
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1010 <LI>SERVER_PORT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1011 <LI>SERVER_PROTOCOL
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1012 <LI>SERVER_ROOT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1013 <LI>SERVER_SOFTWARE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1014 </UL>
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1015 In addition, HTTP headers sent by the server may be passed in the
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1016 environment as well. Here are some common variable names:
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1017 <UL>
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1018 <LI>HTTP_ACCEPT
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1019 <LI>HTTP_CONNECTION
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1020 <LI>HTTP_HOST
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1021 <LI>HTTP_PRAGMA
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1022 <LI>HTTP_REFERER
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1023 <LI>HTTP_USER_AGENT
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1024 </UL>
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1025 """
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1026
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
1027
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
1028 # Utilities
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
1029 # =========
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1030
5870
fe4f1eb14d53 Add optional 'quote' flag argument to escape(); if true, translate '"'
Guido van Rossum <guido@python.org>
parents: 5654
diff changeset
1031 def escape(s, quote=None):
35299
5a9134fe5709 Bring cgi.escape docstring slightly more in line with the library ref
Skip Montanaro <skip@pobox.com>
parents: 34367
diff changeset
1032 '''Replace special characters "&", "<" and ">" to HTML-safe sequences.
5a9134fe5709 Bring cgi.escape docstring slightly more in line with the library ref
Skip Montanaro <skip@pobox.com>
parents: 34367
diff changeset
1033 If the optional flag quote is true, the quotation mark character (")
5a9134fe5709 Bring cgi.escape docstring slightly more in line with the library ref
Skip Montanaro <skip@pobox.com>
parents: 34367
diff changeset
1034 is also translated.'''
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
1035 s = s.replace("&", "&amp;") # Must be done first!
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
1036 s = s.replace("<", "&lt;")
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
1037 s = s.replace(">", "&gt;")
5870
fe4f1eb14d53 Add optional 'quote' flag argument to escape(); if true, translate '"'
Guido van Rossum <guido@python.org>
parents: 5654
diff changeset
1038 if quote:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
1039 s = s.replace('"', "&quot;")
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1040 return s
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1041
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
1042 def valid_boundary(s, _vb_pattern="^[ -~]{0,200}[!-~]$"):
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
1043 import re
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
1044 return re.match(_vb_pattern, s)
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
1045
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
1046 # Invoke mainline
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
1047 # ===============
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
1048
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
1049 # Call test() when this file is run as a script (not imported as a module)
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
1050 if __name__ == '__main__':
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
1051 test()