annotate Lib/cgi.py @ 66978:aed2bbafa550 3.1

Blocked revisions 87324 via svnmerge ........ r87324 | r.david.murray | 2010-12-16 14:08:51 -0500 (Thu, 16 Dec 2010) | 9 lines #10719: restore messages generated on invalid compileall args Before the introduction of filename arguments to compileall it gave semi useful messages about not being able to 'list' names that weren't valid directories. This fix restores that behavior. In addition to the test for this case, the patch also adds a test for the default behavior of compileall when no arguments are provided, and fixes a bug in one of the previously added tests. ........
author R. David Murray <rdmurray@bitdance.com>
date Thu, 16 Dec 2010 19:10:16 +0000
parents 50f8f5247c81
children 3c9232a684ae
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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 # History
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19 # -------
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20 #
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21 # Michael McLay started this module. Steve Majewski changed the
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22 # interface to SvFormContentDict and FormContentDict. The multipart
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23 # parsing was inspired by code submitted by Andreas Paepcke. Guido van
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24 # Rossum rewrote, reformatted and documented the module and is currently
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25 # responsible for its maintenance.
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26 #
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27
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28 __version__ = "2.6"
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29
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30
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31 # Imports
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32 # =======
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33
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34 from operator import attrgetter
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35 from io import StringIO
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36 import sys
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37 import os
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38 import urllib.parse
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39 import email.parser
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40 from warnings import warn
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41
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42 __all__ = ["MiniFieldStorage", "FieldStorage",
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43 "parse", "parse_qs", "parse_qsl", "parse_multipart",
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44 "parse_header", "print_exception", "print_environ",
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45 "print_form", "print_directory", "print_arguments",
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46 "print_environ_usage", "escape"]
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47
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48 # Logging support
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49 # ===============
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50
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51 logfile = "" # Filename to log to, if not empty
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52 logfp = None # File object to log to, if not None
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53
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54 def initlog(*allargs):
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55 """Write a log message, if there is a log file.
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56
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57 Even though this function is called initlog(), you should always
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58 use log(); log is a variable that is set either to initlog
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59 (initially), to dolog (once the log file has been opened), or to
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60 nolog (when logging is disabled).
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61
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62 The first argument is a format string; the remaining arguments (if
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63 any) are arguments to the % operator, so e.g.
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64 log("%s: %s", "a", "b")
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65 will write "a: b" to the log file, followed by a newline.
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66
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67 If the global logfp is not None, it should be a file object to
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68 which log data is written.
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69
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70 If the global logfp is None, the global logfile may be a string
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71 giving a filename to open, in append mode. This file should be
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72 world writable!!! If the file can't be opened, logging is
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73 silently disabled (since there is no safe place where we could
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74 send an error message).
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75
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76 """
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77 global logfp, log
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78 if logfile and not logfp:
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79 try:
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80 logfp = open(logfile, "a")
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81 except IOError:
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82 pass
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83 if not logfp:
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84 log = nolog
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85 else:
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86 log = dolog
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87 log(*allargs)
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88
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89 def dolog(fmt, *args):
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90 """Write a log message to the log file. See initlog() for docs."""
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91 logfp.write(fmt%args + "\n")
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92
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93 def nolog(*allargs):
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94 """Dummy function, assigned to log when logging is disabled."""
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95 pass
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96
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97 log = initlog # The current logging function
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98
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99
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100 # Parsing functions
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101 # =================
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102
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103 # Maximum input we will accept when REQUEST_METHOD is POST
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104 # 0 ==> unlimited input
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105 maxlen = 0
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106
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107 def parse(fp=None, environ=os.environ, keep_blank_values=0, strict_parsing=0):
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108 """Parse a query in the environment or from a file (default stdin)
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109
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110 Arguments, all optional:
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111
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112 fp : file pointer; default: sys.stdin
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113
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114 environ : environment dictionary; default: os.environ
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115
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116 keep_blank_values: flag indicating whether blank values in
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117 percent-encoded forms should be treated as blank strings.
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118 A true value indicates that blanks should be retained as
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119 blank strings. The default false value indicates that
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120 blank values are to be ignored and treated as if they were
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121 not included.
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122
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123 strict_parsing: flag indicating what to do with parsing errors.
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124 If false (the default), errors are silently ignored.
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125 If true, errors raise a ValueError exception.
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126 """
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127 if fp is None:
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128 fp = sys.stdin
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129 if not 'REQUEST_METHOD' in environ:
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130 environ['REQUEST_METHOD'] = 'GET' # For testing stand-alone
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131 if environ['REQUEST_METHOD'] == 'POST':
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132 ctype, pdict = parse_header(environ['CONTENT_TYPE'])
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133 if ctype == 'multipart/form-data':
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134 return parse_multipart(fp, pdict)
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135 elif ctype == 'application/x-www-form-urlencoded':
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136 clength = int(environ['CONTENT_LENGTH'])
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137 if maxlen and clength > maxlen:
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138 raise ValueError('Maximum content length exceeded')
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139 qs = fp.read(clength)
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diff changeset
140 else:
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diff changeset
141 qs = '' # Unknown content-type
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a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
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parents: 23609
diff changeset
142 if 'QUERY_STRING' in environ:
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143 if qs: qs = qs + '&'
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diff changeset
144 qs = qs + environ['QUERY_STRING']
15867
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parents: 15669
diff changeset
145 elif sys.argv[1:]:
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diff changeset
146 if qs: qs = qs + '&'
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diff changeset
147 qs = qs + sys.argv[1]
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diff changeset
148 environ['QUERY_STRING'] = qs # XXX Shouldn't, really
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parents: 23609
diff changeset
149 elif 'QUERY_STRING' in environ:
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150 qs = environ['QUERY_STRING']
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151 else:
7755
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diff changeset
152 if sys.argv[1:]:
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153 qs = sys.argv[1]
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diff changeset
154 else:
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diff changeset
155 qs = ""
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diff changeset
156 environ['QUERY_STRING'] = qs # XXX Shouldn't, really
48998
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
157 return urllib.parse.parse_qs(qs, keep_blank_values, strict_parsing)
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
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158
2918
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Guido van Rossum <guido@python.org>
parents: 2538
diff changeset
159
48998
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Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
160 # parse query string function called from urlparse,
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
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parents: 48410
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161 # this is done in order to maintain backward compatiblity.
2918
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Guido van Rossum <guido@python.org>
parents: 2538
diff changeset
162
4534
d90d7b541ada Added 'strict_parsing' option to all parsing functions. This causes a
Guido van Rossum <guido@python.org>
parents: 4486
diff changeset
163 def parse_qs(qs, keep_blank_values=0, strict_parsing=0):
48998
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
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164 """Parse a query given as a string argument."""
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
165 warn("cgi.parse_qs is deprecated, use urllib.parse.parse_qs instead",
53909
238502460795 #4351: more appropriate DeprecationWarning stacklevels
Philip Jenvey <pjenvey@underboss.org>
parents: 49976
diff changeset
166 DeprecationWarning, 2)
48998
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Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
167 return urllib.parse.parse_qs(qs, keep_blank_values, 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
168
3faa63430924 Patch by Jim Fulton: new function parse_qsl(), which is like
Guido van Rossum <guido@python.org>
parents: 10914
diff changeset
169 def parse_qsl(qs, keep_blank_values=0, strict_parsing=0):
48998
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
170 """Parse a query given as a string argument."""
49101
c46bcccf2af2 Added a warning filter to don't show the warning during
Facundo Batista <facundobatista@gmail.com>
parents: 48998
diff changeset
171 warn("cgi.parse_qsl is deprecated, use urllib.parse.parse_qsl instead",
53909
238502460795 #4351: more appropriate DeprecationWarning stacklevels
Philip Jenvey <pjenvey@underboss.org>
parents: 49976
diff changeset
172 DeprecationWarning, 2)
48998
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
173 return urllib.parse.parse_qsl(qs, keep_blank_values, strict_parsing)
2135
4f90b474beec new files
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parents:
diff changeset
174
3446
623ba9bdeb22 Considerable documentation changes and a few import rearrangements.
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parents: 3444
diff changeset
175 def parse_multipart(fp, pdict):
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diff changeset
176 """Parse multipart input.
2135
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parents:
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177
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Guido van Rossum <guido@python.org>
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diff changeset
178 Arguments:
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
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179 fp : input file
34367
5cd4fffaf910 Patch #1079734: remove dependencies on (deprecated) rfc822 and mimetools
Johannes Gijsbers <jlg@dds.nl>
parents: 34294
diff changeset
180 pdict: dictionary containing other parameters of content-type header
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
181
15867
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diff changeset
182 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
183 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
184 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
185 use the FieldStorage class instead which is much more flexible. Note
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
186 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
187 header.
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
188
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
189 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
190 that.
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
191
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
192 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
193 point in having two implementations of the same parsing algorithm.
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
194 Also, FieldStorage protects itself better against certain DoS attacks
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
195 by limiting the size of the data read in one chunk. The API here
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
196 does not support that kind of protection. This also affects parse()
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
197 since it can call parse_multipart().
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
198
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
199 """
47635
f31e32a2013c Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents: 47632
diff changeset
200 import http.client
f31e32a2013c Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents: 47632
diff changeset
201
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
202 boundary = ""
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
203 if 'boundary' in pdict:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
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diff changeset
204 boundary = pdict['boundary']
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
205 if not valid_boundary(boundary):
43020
907a45df1295 Raise statement normalization in Lib/.
Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
206 raise ValueError('Invalid boundary in multipart form: %r'
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
207 % (boundary,))
19119
600a9a2b7a18 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 18833
diff changeset
208
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
209 nextpart = "--" + boundary
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
210 lastpart = "--" + boundary + "--"
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
211 partdict = {}
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
212 terminator = ""
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
213
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
214 while terminator != lastpart:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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diff changeset
215 bytes = -1
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diff changeset
216 data = None
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
217 if terminator:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
218 # At start of next part. Read headers first.
47635
f31e32a2013c Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents: 47632
diff changeset
219 headers = http.client.parse_headers(fp)
f31e32a2013c Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents: 47632
diff changeset
220 clength = headers.get('content-length')
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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diff changeset
221 if clength:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
222 try:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
223 bytes = int(clength)
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
224 except ValueError:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
225 pass
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
226 if bytes > 0:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
227 if maxlen and bytes > maxlen:
43020
907a45df1295 Raise statement normalization in Lib/.
Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
228 raise ValueError('Maximum content length exceeded')
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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diff changeset
229 data = fp.read(bytes)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
230 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
231 data = ""
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
232 # Read lines until end of part.
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
233 lines = []
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
234 while 1:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
235 line = fp.readline()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
236 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
237 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
238 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
239 if line[:2] == "--":
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
240 terminator = line.strip()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
241 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
242 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
243 lines.append(line)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
244 # Done with part.
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
245 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
246 continue
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
247 if bytes < 0:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
248 if lines:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
249 # Strip final line terminator
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
250 line = lines[-1]
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
251 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
252 line = line[:-2]
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
253 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
254 line = line[:-1]
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
255 lines[-1] = line
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
256 data = "".join(lines)
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
257 line = headers['content-disposition']
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
258 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
259 continue
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
260 key, params = parse_header(line)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
261 if key != 'form-data':
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
262 continue
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
263 if 'name' in params:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
264 name = params['name']
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
265 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
266 continue
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
267 if name in partdict:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
268 partdict[name].append(data)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
269 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
270 partdict[name] = [data]
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
271
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272 return partdict
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273
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274
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275 def _parseparam(s):
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276 while s[:1] == ';':
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277 s = s[1:]
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278 end = s.find(';')
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279 while end > 0 and s.count('"', 0, end) % 2:
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280 end = s.find(';', end + 1)
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281 if end < 0:
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282 end = len(s)
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283 f = s[:end]
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284 yield f.strip()
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285 s = s[end:]
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286
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287 def parse_header(line):
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288 """Parse a Content-type like header.
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289
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290 Return the main content-type and a dictionary of options.
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291
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292 """
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293 parts = _parseparam(';' + line)
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294 key = parts.__next__()
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295 pdict = {}
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296 for p in parts:
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297 i = p.find('=')
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298 if i >= 0:
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299 name = p[:i].strip().lower()
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300 value = p[i+1:].strip()
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301 if len(value) >= 2 and value[0] == value[-1] == '"':
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302 value = value[1:-1]
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303 value = value.replace('\\\\', '\\').replace('\\"', '"')
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304 pdict[name] = value
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305 return key, pdict
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306
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307
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308 # Classes for field storage
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309 # =========================
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310
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311 class MiniFieldStorage:
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312
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313 """Like FieldStorage, for use when no file uploads are possible."""
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314
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315 # Dummy attributes
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316 filename = None
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317 list = None
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318 type = None
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319 file = None
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320 type_options = {}
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321 disposition = None
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322 disposition_options = {}
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323 headers = {}
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324
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325 def __init__(self, name, value):
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326 """Constructor from field name and value."""
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327 self.name = name
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328 self.value = value
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329 # self.file = StringIO(value)
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330
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331 def __repr__(self):
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332 """Return printable representation."""
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333 return "MiniFieldStorage(%r, %r)" % (self.name, self.value)
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334
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335
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336 class FieldStorage:
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337
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338 """Store a sequence of fields, reading multipart/form-data.
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339
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340 This class provides naming, typing, files stored on disk, and
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341 more. At the top level, it is accessible like a dictionary, whose
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342 keys are the field names. (Note: None can occur as a field name.)
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343 The items are either a Python list (if there's multiple values) or
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344 another FieldStorage or MiniFieldStorage object. If it's a single
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345 object, it has the following attributes:
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346
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347 name: the field name, if specified; otherwise None
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348
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349 filename: the filename, if specified; otherwise None; this is the
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350 client side filename, *not* the file name on which it is
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351 stored (that's a temporary file you don't deal with)
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352
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353 value: the value as a *string*; for file uploads, this
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354 transparently reads the file every time you request the value
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355
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356 file: the file(-like) object from which you can read the data;
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357 None if the data is stored a simple string
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358
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359 type: the content-type, or None if not specified
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360
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361 type_options: dictionary of options specified on the content-type
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362 line
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363
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364 disposition: content-disposition, or None if not specified
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365
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366 disposition_options: dictionary of corresponding options
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367
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368 headers: a dictionary(-like) object (sometimes email.message.Message or a
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369 subclass thereof) containing *all* headers
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370
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371 The class is subclassable, mostly for the purpose of overriding
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372 the make_file() method, which is called internally to come up with
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373 a file open for reading and writing. This makes it possible to
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374 override the default choice of storing all files in a temporary
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375 directory and unlinking them as soon as they have been opened.
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376
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377 """
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378
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379 def __init__(self, fp=None, headers=None, outerboundary="",
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380 environ=os.environ, keep_blank_values=0, strict_parsing=0):
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381 """Constructor. Read multipart/* until last part.
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382
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383 Arguments, all optional:
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384
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385 fp : file pointer; default: sys.stdin
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386 (not used when the request method is GET)
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387
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388 headers : header dictionary-like object; default:
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389 taken from environ as per CGI spec
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390
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391 outerboundary : terminating multipart boundary
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392 (for internal use only)
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393
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394 environ : environment dictionary; default: os.environ
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395
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396 keep_blank_values: flag indicating whether blank values in
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397 percent-encoded forms should be treated as blank strings.
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398 A true value indicates that blanks should be retained as
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399 blank strings. The default false value indicates that
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400 blank values are to be ignored and treated as if they were
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401 not included.
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402
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403 strict_parsing: flag indicating what to do with parsing errors.
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404 If false (the default), errors are silently ignored.
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405 If true, errors raise a ValueError exception.
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406
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diff changeset
407 """
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diff changeset
408 method = 'GET'
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parents: 6941
diff changeset
409 self.keep_blank_values = keep_blank_values
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diff changeset
410 self.strict_parsing = strict_parsing
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
411 if 'REQUEST_METHOD' in environ:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
412 method = environ['REQUEST_METHOD'].upper()
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Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
413 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
414 if method == 'GET' or method == 'HEAD':
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parents: 23609
diff changeset
415 if 'QUERY_STRING' in environ:
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diff changeset
416 qs = environ['QUERY_STRING']
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diff changeset
417 elif sys.argv[1:]:
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diff changeset
418 qs = sys.argv[1]
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diff changeset
419 else:
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diff changeset
420 qs = ""
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diff changeset
421 fp = StringIO(qs)
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
422 if headers is None:
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diff changeset
423 headers = {'content-type':
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diff changeset
424 "application/x-www-form-urlencoded"}
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
425 if headers is None:
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Guido van Rossum <guido@python.org>
parents: 8477
diff changeset
426 headers = {}
7f94b4958056 Be more careful than the previous patch. The default content-type
Guido van Rossum <guido@python.org>
parents: 8477
diff changeset
427 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
428 # 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
429 headers['content-type'] = "application/x-www-form-urlencoded"
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parents: 23609
diff changeset
430 if 'CONTENT_TYPE' in environ:
7755
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diff changeset
431 headers['content-type'] = environ['CONTENT_TYPE']
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Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
432 if 'QUERY_STRING' in environ:
81fd8a8baa9a Merged revisions 64434-64435,64440-64443,64445,64447-64448,64450,64452,64455,64461,64464,64466,64468 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
433 self.qs_on_post = environ['QUERY_STRING']
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parents: 23609
diff changeset
434 if 'CONTENT_LENGTH' in environ:
7755
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diff changeset
435 headers['content-length'] = environ['CONTENT_LENGTH']
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diff changeset
436 self.fp = fp or sys.stdin
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diff changeset
437 self.headers = headers
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parents: 6941
diff changeset
438 self.outerboundary = outerboundary
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
439
7755
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diff changeset
440 # Process content-disposition header
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diff changeset
441 cdisp, pdict = "", {}
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parents: 23609
diff changeset
442 if 'content-disposition' in self.headers:
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diff changeset
443 cdisp, pdict = parse_header(self.headers['content-disposition'])
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diff changeset
444 self.disposition = cdisp
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diff changeset
445 self.disposition_options = pdict
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diff changeset
446 self.name = None
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parents: 23609
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447 if 'name' in pdict:
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448 self.name = pdict['name']
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diff changeset
449 self.filename = None
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parents: 23609
diff changeset
450 if 'filename' in pdict:
7755
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diff changeset
451 self.filename = pdict['filename']
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
452
7755
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diff changeset
453 # 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
454 #
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
455 # 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
456 # 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
457 # 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
458 # 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
459 # 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
460 # 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
461 # header.
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
462 #
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
463 # 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
464 # but it happens to be something we don't understand.
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
465 if 'content-type' in self.headers:
7755
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parents: 6941
diff changeset
466 ctype, pdict = parse_header(self.headers['content-type'])
10914
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Guido van Rossum <guido@python.org>
parents: 9821
diff changeset
467 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
468 ctype, pdict = "text/plain", {}
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
469 else:
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
470 ctype, pdict = 'application/x-www-form-urlencoded', {}
7755
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diff changeset
471 self.type = ctype
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diff changeset
472 self.type_options = pdict
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 6941
diff changeset
473 self.innerboundary = ""
23620
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
474 if 'boundary' in pdict:
7755
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parents: 6941
diff changeset
475 self.innerboundary = pdict['boundary']
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
476 clen = -1
23620
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
477 if 'content-length' in self.headers:
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parents: 6941
diff changeset
478 try:
16503
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Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
479 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
480 except ValueError:
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
481 pass
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
482 if maxlen and clen > maxlen:
43020
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Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
483 raise ValueError('Maximum content length exceeded')
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
484 self.length = clen
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
485
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
486 self.list = self.file = None
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
487 self.done = 0
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parents: 6941
diff changeset
488 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
489 self.read_urlencoded()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
490 elif ctype[:10] == 'multipart/':
9410
620e02250c80 Patch by Jim Fulton, who writes:
Guido van Rossum <guido@python.org>
parents: 8548
diff changeset
491 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
492 else:
9821
28d3a9fcb577 FieldStorage.__init__(): if there is no content-type header, use
Barry Warsaw <barry@python.org>
parents: 9615
diff changeset
493 self.read_single()
3437
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Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
494
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
495 def __repr__(self):
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
496 """Return a printable representation."""
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
497 return "FieldStorage(%r, %r, %r)" % (
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
498 self.name, self.filename, self.value)
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
499
25214
5330c0620810 Patch suggested by Hamish Lawson: add an __iter__() that returns
Guido van Rossum <guido@python.org>
parents: 24058
diff changeset
500 def __iter__(self):
5330c0620810 Patch suggested by Hamish Lawson: add an __iter__() that returns
Guido van Rossum <guido@python.org>
parents: 24058
diff changeset
501 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
502
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
503 def __getattr__(self, name):
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
504 if name != 'value':
43020
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Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
505 raise AttributeError(name)
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
506 if self.file:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
507 self.file.seek(0)
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
508 value = self.file.read()
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
509 self.file.seek(0)
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
510 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
511 value = self.list
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
512 else:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
513 value = None
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
514 return value
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
515
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
516 def __getitem__(self, key):
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
517 """Dictionary style indexing."""
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
518 if self.list is None:
43020
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Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
519 raise TypeError("not indexable")
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
520 found = []
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
521 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
522 if item.name == key: found.append(item)
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
523 if not found:
43020
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Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
524 raise KeyError(key)
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
525 if len(found) == 1:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
526 return found[0]
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
527 else:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
528 return found
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
529
14196
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
530 def getvalue(self, key, default=None):
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
531 """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
532 if key in self:
14196
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
533 value = self[key]
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
534 if type(value) is type([]):
42142
a53e48be6df9 Merged revisions 56125-56153 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41760
diff changeset
535 return [x.value for x in value]
14196
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Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
536 else:
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
537 return value.value
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
538 else:
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
539 return default
41234ae95d2a Closing patch #101120 -- After everyone agreed.
Moshe Zadka <moshez@math.huji.ac.il>
parents: 13840
diff changeset
540
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Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
541 def getfirst(self, key, default=None):
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
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parents: 19119
diff changeset
542 """ Return the first value received."""
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
543 if key in self:
19744
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Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
544 value = self[key]
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Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
545 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
546 return value[0].value
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Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
547 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
548 return value.value
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
549 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
550 return default
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
551
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
552 def getlist(self, key):
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
553 """ Return list of received values."""
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
554 if key in self:
19744
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Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
555 value = self[key]
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
556 if type(value) is type([]):
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Guido van Rossum <guido@python.org>
parents: 41760
diff changeset
557 return [x.value for x in value]
19744
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Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
558 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
559 return [value.value]
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
560 else:
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
561 return []
f1430e3382bb Class FieldStorage: add two new methods, getfirst() and getlist(),
Guido van Rossum <guido@python.org>
parents: 19119
diff changeset
562
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
563 def keys(self):
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564 """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
565 if self.list is None:
43020
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Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
566 raise TypeError("not indexable")
43418
0c8fec76111c Merged revisions 58211-58220 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 43020
diff changeset
567 return list(set(item.name for item in self.list))
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
568
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
569 def __contains__(self, key):
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
570 """Dictionary style __contains__ method."""
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
571 if self.list is None:
43020
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Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
572 raise TypeError("not indexable")
43418
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Thomas Wouters <thomas@python.org>
parents: 43020
diff changeset
573 return any(item.name == key for item in self.list)
23620
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Raymond Hettinger <python@rcn.com>
parents: 23609
diff changeset
574
4931
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Guido van Rossum <guido@python.org>
parents: 4573
diff changeset
575 def __len__(self):
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parents: 6941
diff changeset
576 """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
577 return len(self.keys())
4931
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Guido van Rossum <guido@python.org>
parents: 4573
diff changeset
578
43418
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Thomas Wouters <thomas@python.org>
parents: 43020
diff changeset
579 def __nonzero__(self):
0c8fec76111c Merged revisions 58211-58220 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 43020
diff changeset
580 return bool(self.list)
0c8fec76111c Merged revisions 58211-58220 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 43020
diff changeset
581
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
582 def read_urlencoded(self):
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
583 """Internal: read data in query string format."""
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
584 qs = self.fp.read(self.length)
48410
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Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
585 if self.qs_on_post:
81fd8a8baa9a Merged revisions 64434-64435,64440-64443,64445,64447-64448,64450,64452,64455,64461,64464,64466,64468 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
586 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
587 self.list = list = []
48998
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
588 for key, value in urllib.parse.parse_qsl(qs, self.keep_blank_values,
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
589 self.strict_parsing):
10920
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Guido van Rossum <guido@python.org>
parents: 10914
diff changeset
590 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
591 self.skip_lines()
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
592
9615
c03787ec9811 In read_multi, allow a subclass to override the class we instantiate
Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
593 FieldStorageClass = None
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Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
594
9410
620e02250c80 Patch by Jim Fulton, who writes:
Guido van Rossum <guido@python.org>
parents: 8548
diff changeset
595 def read_multi(self, environ, keep_blank_values, strict_parsing):
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
596 """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
597 ib = self.innerboundary
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
598 if not valid_boundary(ib):
43020
907a45df1295 Raise statement normalization in Lib/.
Collin Winter <collinw@gmail.com>
parents: 42932
diff changeset
599 raise ValueError('Invalid boundary in multipart form: %r' % (ib,))
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
600 self.list = []
48410
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Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
601 if self.qs_on_post:
48998
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
602 for key, value in urllib.parse.parse_qsl(self.qs_on_post,
65e23683c010 Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
Facundo Batista <facundobatista@gmail.com>
parents: 48410
diff changeset
603 self.keep_blank_values, self.strict_parsing):
48410
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Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
604 self.list.append(MiniFieldStorage(key, value))
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Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
605 FieldStorageClass = None
81fd8a8baa9a Merged revisions 64434-64435,64440-64443,64445,64447-64448,64450,64452,64455,64461,64464,64466,64468 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48334
diff changeset
606
9615
c03787ec9811 In read_multi, allow a subclass to override the class we instantiate
Guido van Rossum <guido@python.org>
parents: 9410
diff changeset
607 klass = self.FieldStorageClass or self.__class__
47632
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
608 parser = email.parser.FeedParser()
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
609 # Create bogus content-type header for proper multipart parsing
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
610 parser.feed('Content-Type: %s; boundary=%s\r\n\r\n' % (self.type, ib))
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
611 parser.feed(self.fp.read())
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
612 full_msg = parser.close()
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
613 # Get subparts
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
614 msgs = full_msg.get_payload()
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
615 for msg in msgs:
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
616 fp = StringIO(msg.get_payload())
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
617 part = klass(fp, msg, ib, environ, keep_blank_values,
18eaa1d5f394 Patch by Humberto Diogenes for issue 2849, removing rfc822 module from
Barry Warsaw <barry@python.org>
parents: 46915
diff changeset
618 strict_parsing)
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parents: 6941
diff changeset
619 self.list.append(part)
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parents: 6941
diff changeset
620 self.skip_lines()
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parents: 3437
diff changeset
621
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
622 def read_single(self):
7755
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parents: 6941
diff changeset
623 """Internal: read an atomic part."""
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parents: 6941
diff changeset
624 if self.length >= 0:
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parents: 6941
diff changeset
625 self.read_binary()
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
626 self.skip_lines()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
627 else:
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parents: 6941
diff changeset
628 self.read_lines()
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parents: 6941
diff changeset
629 self.file.seek(0)
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
630
7755
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parents: 6941
diff changeset
631 bufsize = 8*1024 # I/O buffering size for copy to file
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
632
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
633 def read_binary(self):
7755
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parents: 6941
diff changeset
634 """Internal: read binary data."""
42930
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Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
635 self.file = self.make_file()
7755
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parents: 6941
diff changeset
636 todo = self.length
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parents: 6941
diff changeset
637 if todo >= 0:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
638 while todo > 0:
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parents: 6941
diff changeset
639 data = self.fp.read(min(todo, self.bufsize))
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
640 if not data:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
641 self.done = -1
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
642 break
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
643 self.file.write(data)
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parents: 6941
diff changeset
644 todo = todo - len(data)
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
645
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
646 def read_lines(self):
7755
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parents: 6941
diff changeset
647 """Internal: read lines until EOF or outerboundary."""
18337
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Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
648 self.file = self.__file = StringIO()
7755
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
649 if self.outerboundary:
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
650 self.read_lines_to_outerboundary()
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
651 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
652 self.read_lines_to_eof()
3444
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Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
653
18337
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
654 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
655 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
656 if self.__file.tell() + len(line) > 1000:
42930
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Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
657 self.file = self.make_file()
cbd50ece3b61 Make test_cgi pass. I changed the internal file created by make_file()
Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
658 data = self.__file.getvalue()
cbd50ece3b61 Make test_cgi pass. I changed the internal file created by make_file()
Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
659 self.file.write(data)
18337
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Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
660 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
661 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
662
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
663 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
664 """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
665 while 1:
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
666 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
667 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
668 self.done = -1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
669 break
18337
c2a60de91d2c Solve SF bug #231249: cgi.py opens too many (temporary) files.
Guido van Rossum <guido@python.org>
parents: 17074
diff changeset
670 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
671
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
672 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
673 """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
674 next = "--" + self.outerboundary
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
675 last = next + "--"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
676 delim = ""
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
677 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
678 while 1:
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
679 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
680 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
681 self.done = -1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
682 break
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
683 if line[:2] == "--" and last_line_lfend:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
684 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
685 if strippedline == next:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
686 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
687 if strippedline == last:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
688 self.done = 1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
689 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
690 odelim = delim
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
691 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
692 delim = "\r\n"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
693 line = line[:-2]
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
694 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
695 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
696 delim = "\n"
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
697 line = line[:-1]
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
698 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
699 else:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
700 delim = ""
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
701 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
702 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
703
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
704 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
705 """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
706 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
707 return
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
708 next = "--" + self.outerboundary
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
709 last = next + "--"
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
710 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
711 while 1:
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
712 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
713 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
714 self.done = -1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
715 break
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
716 if line[:2] == "--" and last_line_lfend:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
717 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
718 if strippedline == next:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
719 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
720 if strippedline == last:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
721 self.done = 1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
722 break
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39575
diff changeset
723 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
724
42930
cbd50ece3b61 Make test_cgi pass. I changed the internal file created by make_file()
Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
725 def make_file(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
726 """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
727
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
728 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
729 - 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
730 - seek(0)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
731 - 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
732
42930
cbd50ece3b61 Make test_cgi pass. I changed the internal file created by make_file()
Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
733 The file is always opened in text mode.
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
734
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
735 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
736 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
737 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
738 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
739 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
740
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
741 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
742 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
743 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
744 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
745 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
746
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
747 """
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
748 import tempfile
42932
aa3950f111d9 My wish for TempFile is fulfilled.
Guido van Rossum <guido@python.org>
parents: 42930
diff changeset
749 return tempfile.TemporaryFile("w+", encoding="utf-8", newline="\n")
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15669
diff changeset
750
3437
d70149202c93 Added FieldStorage class, which stores parts in files.
Guido van Rossum <guido@python.org>
parents: 3435
diff changeset
751
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
752 # Test/debug code
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
753 # ===============
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
754
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
755 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
756 """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
757
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
758 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
759 the script in HTML form.
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
760
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
761 """
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
762 print("Content-type: text/html")
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
763 print()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
764 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
765 try:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
766 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
767 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
768 print_arguments()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
769 print_form(form)
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
770 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
771 print_environ_usage()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
772 def f():
39782
c94f37054f19 Patch #1550800: make exec a function.
Georg Brandl <georg@python.org>
parents: 39610
diff changeset
773 exec("testing print_exception() -- <I>italics?</I>")
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
774 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
775 f()
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
776 print("<H3>What follows is a test, not an actual exception:</H3>")
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
777 g()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
778 except:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
779 print_exception()
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
780
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
781 print("<H1>Second try with a small maxlen...</H1>")
14645
2d30c35feebe Improve the test output a bit.
Guido van Rossum <guido@python.org>
parents: 14606
diff changeset
782
5499
b905372edd4f Untested changes by Skip Montanaro to have an optional limit on the
Guido van Rossum <guido@python.org>
parents: 5302
diff changeset
783 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
784 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
785 try:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
786 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
787 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
788 print_arguments()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
789 print_form(form)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
790 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
791 except:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
792 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
793
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
794 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
795 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
796 type, value, tb = sys.exc_info()
4072
f66562536f11 Added print_exception() convenience function.
Guido van Rossum <guido@python.org>
parents: 3958
diff changeset
797 import traceback
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
798 print()
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
799 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
800 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
801 traceback.format_exception_only(type, value)
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
802 print("<PRE>%s<B>%s</B></PRE>" % (
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
803 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
804 escape(list[-1]),
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
805 ))
6347
2656d1eea792 Use sys.exc_info() where needed.
Guido van Rossum <guido@python.org>
parents: 5988
diff changeset
806 del tb
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
807
3794
d1c47f4f1541 Changes by Jim Fulton: pass environ around as arg;
Guido van Rossum <guido@python.org>
parents: 3630
diff changeset
808 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
809 """Dump the shell environment as HTML."""
42930
cbd50ece3b61 Make test_cgi pass. I changed the internal file created by make_file()
Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
810 keys = sorted(environ.keys())
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
811 print()
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
812 print("<H3>Shell Environment:</H3>")
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
813 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
814 for key in keys:
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
815 print("<DT>", escape(key), "<DD>", escape(environ[key]))
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
816 print("</DL>")
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
817 print()
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
818
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
819 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
820 """Dump the contents of a form as HTML."""
42930
cbd50ece3b61 Make test_cgi pass. I changed the internal file created by make_file()
Guido van Rossum <guido@python.org>
parents: 42142
diff changeset
821 keys = sorted(form.keys())
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
822 print()
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
823 print("<H3>Form Contents:</H3>")
14645
2d30c35feebe Improve the test output a bit.
Guido van Rossum <guido@python.org>
parents: 14606
diff changeset
824 if not keys:
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
825 print("<P>No form fields.")
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
826 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
827 for key in keys:
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
828 print("<DT>" + escape(key) + ":", end=' ')
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
829 value = form[key]
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
830 print("<i>" + escape(repr(type(value))) + "</i>")
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
831 print("<DD>" + escape(repr(value)))
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
832 print("</DL>")
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
833 print()
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
834
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
835 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
836 """Dump the current directory as HTML."""
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
837 print()
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
838 print("<H3>Current Working Directory:</H3>")
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
839 try:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
840 pwd = os.getcwd()
40587
6b18a095c2e7 SF patch 1631942 by Collin Winter:
Guido van Rossum <guido@python.org>
parents: 40450
diff changeset
841 except os.error as msg:
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
842 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
843 else:
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
844 print(escape(pwd))
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
845 print()
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
846
3451
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
847 def print_arguments():
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
848 print()
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
849 print("<H3>Command Line Arguments:</H3>")
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
850 print()
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
851 print(sys.argv)
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
852 print()
3451
5abbc9b5fdf0 Added print_arguments() function.
Guido van Rossum <guido@python.org>
parents: 3447
diff changeset
853
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
854 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
855 """Dump a list of environment variables used by CGI as HTML."""
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
856 print("""
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
857 <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
858 <UL>
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
859 <LI>AUTH_TYPE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
860 <LI>CONTENT_LENGTH
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
861 <LI>CONTENT_TYPE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
862 <LI>DATE_GMT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
863 <LI>DATE_LOCAL
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
864 <LI>DOCUMENT_NAME
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
865 <LI>DOCUMENT_ROOT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
866 <LI>DOCUMENT_URI
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
867 <LI>GATEWAY_INTERFACE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
868 <LI>LAST_MODIFIED
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
869 <LI>PATH
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
870 <LI>PATH_INFO
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
871 <LI>PATH_TRANSLATED
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
872 <LI>QUERY_STRING
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
873 <LI>REMOTE_ADDR
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
874 <LI>REMOTE_HOST
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
875 <LI>REMOTE_IDENT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
876 <LI>REMOTE_USER
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
877 <LI>REQUEST_METHOD
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
878 <LI>SCRIPT_NAME
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
879 <LI>SERVER_NAME
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
880 <LI>SERVER_PORT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
881 <LI>SERVER_PROTOCOL
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
882 <LI>SERVER_ROOT
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
883 <LI>SERVER_SOFTWARE
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
884 </UL>
3444
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
885 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
886 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
887 <UL>
e76ca34d48f3 Reformatted with 4-space indentation. Added some quick docs to the
Guido van Rossum <guido@python.org>
parents: 3437
diff changeset
888 <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
889 <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
890 <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
891 <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
892 <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
893 <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
894 </UL>
40775
4cdf21a0dbbc Fix most trivially-findable print statements.
Guido van Rossum <guido@python.org>
parents: 40587
diff changeset
895 """)
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
896
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
897
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
898 # Utilities
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
899 # =========
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
900
5870
fe4f1eb14d53 Add optional 'quote' flag argument to escape(); if true, translate '"'
Guido van Rossum <guido@python.org>
parents: 5654
diff changeset
901 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
902 '''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
903 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
904 is also translated.'''
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
905 s = s.replace("&", "&amp;") # Must be done first!
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
906 s = s.replace("<", "&lt;")
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
907 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
908 if quote:
16503
8d7655ac8bf8 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
909 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
910 return s
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
911
18833
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
912 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
913 import re
3cc66750687d Fix a denial-of-service attack, SF bug #443120.
Guido van Rossum <guido@python.org>
parents: 18337
diff changeset
914 return re.match(_vb_pattern, s)
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
915
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
916 # Invoke mainline
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
917 # ===============
2135
4f90b474beec new files
Guido van Rossum <guido@python.org>
parents:
diff changeset
918
3432
6abc75ec6d29 File upload and revamped documentation.
Guido van Rossum <guido@python.org>
parents: 3106
diff changeset
919 # 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
920 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
921 test()