Mercurial > cpython-lru_cache-weakref

annotate Lib/CGIHTTPServer.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents 2148851f082a
children b36cb4602e21
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1 """CGI-savvy HTTP Server.
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2
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3 This module builds on SimpleHTTPServer by implementing GET and POST
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4 requests to cgi-bin scripts.
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5
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6 If the os.fork() function is not present (e.g. on Windows),
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7 os.popen2() is used as a fallback, with slightly altered semantics; if
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8 that function is not present either (e.g. on Macintosh), only Python
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9 scripts are supported, and they are executed by the current process.
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10
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11 In all cases, the implementation is intentionally naive -- all
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12 requests are executed sychronously.
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13
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14 SECURITY WARNING: DON'T USE THIS CODE UNLESS YOU ARE INSIDE A FIREWALL
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15 -- it may execute arbitrary Python code or external programs.
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16
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17 Note that status code 200 is sent prior to execution of a CGI script, so
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18 scripts cannot send other status codes such as 302 (redirect).
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19 """
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20
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21
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22 __version__ = "0.4"
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23
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24 __all__ = ["CGIHTTPRequestHandler"]
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25
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26 import os
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27 import sys
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28 import urllib
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29 import BaseHTTPServer
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30 import SimpleHTTPServer
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31 import select
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32
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33
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34 class CGIHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
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35
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36 """Complete HTTP server with GET, HEAD and POST commands.
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37
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38 GET and HEAD also support running CGI scripts.
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39
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40 The POST command is *only* implemented for CGI scripts.
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41
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42 """
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43
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44 # Determine platform specifics
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45 have_fork = hasattr(os, 'fork')
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46 have_popen2 = hasattr(os, 'popen2')
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47 have_popen3 = hasattr(os, 'popen3')
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48
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49 # Make rfile unbuffered -- we need to read one line and then pass
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50 # the rest to a subprocess, so we can't use buffered input.
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51 rbufsize = 0
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52
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53 def do_POST(self):
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54 """Serve a POST request.
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55
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56 This is only implemented for CGI scripts.
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57
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58 """
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59
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60 if self.is_cgi():
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61 self.run_cgi()
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62 else:
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63 self.send_error(501, "Can only POST to CGI scripts")
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64
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65 def send_head(self):
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66 """Version of send_head that support CGI scripts"""
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67 if self.is_cgi():
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68 return self.run_cgi()
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69 else:
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70 return SimpleHTTPServer.SimpleHTTPRequestHandler.send_head(self)
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71
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72 def is_cgi(self):
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73 """Test whether self.path corresponds to a CGI script,
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74 and return a boolean.
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75
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76 This function sets self.cgi_info to a tuple (dir, rest)
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77 when it returns True, where dir is the directory part before
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78 the CGI script name. Note that rest begins with a
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79 slash if it is not empty.
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80
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81 The default implementation tests whether the path
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82 begins with one of the strings in the list
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83 self.cgi_directories (and the next character is a '/'
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84 or the end of the string).
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85 """
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86
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87 path = self.path
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88
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89 for x in self.cgi_directories:
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90 i = len(x)
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91 if path[:i] == x and (not path[i:] or path[i] == '/'):
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92 self.cgi_info = path[:i], path[i+1:]
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93 return True
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94 return False
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95
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96 cgi_directories = ['/cgi-bin', '/htbin']
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97
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98 def is_executable(self, path):
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99 """Test whether argument path is an executable file."""
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100 return executable(path)
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101
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102 def is_python(self, path):
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103 """Test whether argument path is a Python script."""
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104 head, tail = os.path.splitext(path)
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105 return tail.lower() in (".py", ".pyw")
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106
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107 def run_cgi(self):
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108 """Execute a CGI script."""
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109 path = self.path
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110 dir, rest = self.cgi_info
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111
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112 i = path.find('/', len(dir) + 1)
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113 while i >= 0:
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114 nextdir = path[:i]
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115 nextrest = path[i+1:]
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116
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117 scriptdir = self.translate_path(nextdir)
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118 if os.path.isdir(scriptdir):
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119 dir, rest = nextdir, nextrest
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120 i = path.find('/', len(dir) + 1)
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121 else:
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122 break
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123
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124 # find an explicit query string, if present.
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125 i = rest.rfind('?')
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126 if i >= 0:
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127 rest, query = rest[:i], rest[i+1:]
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128 else:
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129 query = ''
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130
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131 # dissect the part after the directory name into a script name &
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132 # a possible additional path, to be stored in PATH_INFO.
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133 i = rest.find('/')
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134 if i >= 0:
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135 script, rest = rest[:i], rest[i:]
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136 else:
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137 script, rest = rest, ''
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138
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Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
139 scriptname = dir + '/' + script
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
140 scriptfile = self.translate_path(scriptname)
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
141 if not os.path.exists(scriptfile):
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 29849
diff changeset
142 self.send_error(404, "No such CGI script (%r)" % scriptname)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
143 return
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
144 if not os.path.isfile(scriptfile):
31715
820bb818d698 SF patch 508730 CGIHTTPServer execfile should save cwd
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
145 self.send_error(403, "CGI script is not a plain file (%r)" %
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 29849
diff changeset
146 scriptname)
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
147 return
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
148 ispy = self.is_python(scriptname)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
149 if not ispy:
21861
f5aab8eb8124 Wesley Chun's SF patch 511380: add CGIHTTPServer error supt for Win32
Guido van Rossum <guido@python.org>
parents: 20680
diff changeset
150 if not (self.have_fork or self.have_popen2 or self.have_popen3):
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 29849
diff changeset
151 self.send_error(403, "CGI script is not a Python script (%r)" %
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 29849
diff changeset
152 scriptname)
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
153 return
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
154 if not self.is_executable(scriptfile):
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 29849
diff changeset
155 self.send_error(403, "CGI script is not executable (%r)" %
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 29849
diff changeset
156 scriptname)
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
157 return
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
158
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
159 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
160 # XXX Much of the following could be prepared ahead of time!
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
161 env = {}
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
162 env['SERVER_SOFTWARE'] = self.version_string()
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
163 env['SERVER_NAME'] = self.server.server_name
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
164 env['GATEWAY_INTERFACE'] = 'CGI/1.1'
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
165 env['SERVER_PROTOCOL'] = self.protocol_version
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
166 env['SERVER_PORT'] = str(self.server.server_port)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
167 env['REQUEST_METHOD'] = self.command
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
168 uqrest = urllib.unquote(rest)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
169 env['PATH_INFO'] = uqrest
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
170 env['PATH_TRANSLATED'] = self.translate_path(uqrest)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
171 env['SCRIPT_NAME'] = scriptname
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
172 if query:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
173 env['QUERY_STRING'] = query
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
174 host = self.address_string()
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
175 if host != self.client_address[0]:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
176 env['REMOTE_HOST'] = host
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
177 env['REMOTE_ADDR'] = self.client_address[0]
33322
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
178 authorization = self.headers.getheader("authorization")
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
179 if authorization:
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
180 authorization = authorization.split()
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
181 if len(authorization) == 2:
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
182 import base64, binascii
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
183 env['AUTH_TYPE'] = authorization[0]
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
184 if authorization[0].lower() == "basic":
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
185 try:
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
186 authorization = base64.decodestring(authorization[1])
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
187 except binascii.Error:
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
188 pass
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
189 else:
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
190 authorization = authorization.split(':')
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
191 if len(authorization) == 2:
1ba7469a3b49 Patch #727483: Add AUTH_TYPE and REMOTE_USER.
Martin v. Löwis <martin@v.loewis.de>
parents: 31717
diff changeset
192 env['REMOTE_USER'] = authorization[0]
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
193 # XXX REMOTE_IDENT
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
194 if self.headers.typeheader is None:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
195 env['CONTENT_TYPE'] = self.headers.type
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
196 else:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
197 env['CONTENT_TYPE'] = self.headers.typeheader
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
198 length = self.headers.getheader('content-length')
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
199 if length:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
200 env['CONTENT_LENGTH'] = length
41082
9cfc9cba6768 Patch #1481079: Support of HTTP_REFERER in CGIHTTPServer.py
Collin Winter <collinw@gmail.com>
parents: 40732
diff changeset
201 referer = self.headers.getheader('referer')
9cfc9cba6768 Patch #1481079: Support of HTTP_REFERER in CGIHTTPServer.py
Collin Winter <collinw@gmail.com>
parents: 40732
diff changeset
202 if referer:
9cfc9cba6768 Patch #1481079: Support of HTTP_REFERER in CGIHTTPServer.py
Collin Winter <collinw@gmail.com>
parents: 40732
diff changeset
203 env['HTTP_REFERER'] = referer
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
204 accept = []
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
205 for line in self.headers.getallmatchingheaders('accept'):
16520
c802385a6ac3 Eliminate use of string.whitespace and a string import with it.
Eric S. Raymond <esr@thyrsus.com>
parents: 16495
diff changeset
206 if line[:1] in "\t\n\r ":
16495
69f162dcd8b4 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
207 accept.append(line.strip())
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
208 else:
16495
69f162dcd8b4 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
209 accept = accept + line[7:].split(',')
69f162dcd8b4 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
210 env['HTTP_ACCEPT'] = ','.join(accept)
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
211 ua = self.headers.getheader('user-agent')
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
212 if ua:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
213 env['HTTP_USER_AGENT'] = ua
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
214 co = filter(None, self.headers.getheaders('cookie'))
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
215 if co:
16495
69f162dcd8b4 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
216 env['HTTP_COOKIE'] = ', '.join(co)
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
217 # XXX Other HTTP_* headers
31717
fd26f29e7eab Fix for SF 777848.
Guido van Rossum <guido@python.org>
parents: 31715
diff changeset
218 # Since we're setting the env in the parent, provide empty
fd26f29e7eab Fix for SF 777848.
Guido van Rossum <guido@python.org>
parents: 31715
diff changeset
219 # values to override previously set values
fd26f29e7eab Fix for SF 777848.
Guido van Rossum <guido@python.org>
parents: 31715
diff changeset
220 for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH',
41082
9cfc9cba6768 Patch #1481079: Support of HTTP_REFERER in CGIHTTPServer.py
Collin Winter <collinw@gmail.com>
parents: 40732
diff changeset
221 'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'):
31717
fd26f29e7eab Fix for SF 777848.
Guido van Rossum <guido@python.org>
parents: 31715
diff changeset
222 env.setdefault(k, "")
24922
5fc460981589 Typo repair. Please include in any backports.
Guido van Rossum <guido@python.org>
parents: 24920
diff changeset
223 os.environ.update(env)
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
224
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 6941
diff changeset
225 self.send_response(200, "Script output follows")
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
226
16495
69f162dcd8b4 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
227 decoded_query = query.replace('+', ' ')
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
228
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
229 if self.have_fork:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
230 # Unix -- fork as we should
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
231 args = [script]
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
232 if '=' not in decoded_query:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
233 args.append(decoded_query)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
234 nobody = nobody_uid()
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
235 self.wfile.flush() # Always flush before forking
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
236 pid = os.fork()
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
237 if pid != 0:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
238 # Parent
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
239 pid, sts = os.waitpid(pid, 0)
27169
0bd07391d921 Fix bug 427345 [related to IE's additional input on POST request].
Steve Holden <steve@holdenweb.com>
parents: 25819
diff changeset
240 # throw away additional data [see bug #427345]
0bd07391d921 Fix bug 427345 [related to IE's additional input on POST request].
Steve Holden <steve@holdenweb.com>
parents: 25819
diff changeset
241 while select.select([self.rfile], [], [], 0)[0]:
29666
710c09f4c05a SF bug #430160: CGIHTTPServer.py POST bug using IE
Raymond Hettinger <python@rcn.com>
parents: 27169
diff changeset
242 if not self.rfile.read(1):
710c09f4c05a SF bug #430160: CGIHTTPServer.py POST bug using IE
Raymond Hettinger <python@rcn.com>
parents: 27169
diff changeset
243 break
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
244 if sts:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
245 self.log_error("CGI script exit status %#x", sts)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
246 return
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
247 # Child
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
248 try:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
249 try:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
250 os.setuid(nobody)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
251 except os.error:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
252 pass
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
253 os.dup2(self.rfile.fileno(), 0)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
254 os.dup2(self.wfile.fileno(), 1)
29849
42e8263d39ac SF bug #770601: CGIHTTPServer and environment variables (bug + solution)
Raymond Hettinger <python@rcn.com>
parents: 29666
diff changeset
255 os.execve(scriptfile, args, os.environ)
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
256 except:
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
257 self.server.handle_error(self.request, self.client_address)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
258 os._exit(127)
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
259
57184
2950d9771395 Merged revisions 76208 via svnmerge from
Senthil Kumaran <orsenthil@gmail.com>
parents: 47990
diff changeset
260 else:
2950d9771395 Merged revisions 76208 via svnmerge from
Senthil Kumaran <orsenthil@gmail.com>
parents: 47990
diff changeset
261 # Non Unix - use subprocess
2950d9771395 Merged revisions 76208 via svnmerge from
Senthil Kumaran <orsenthil@gmail.com>
parents: 47990
diff changeset
262 import subprocess
2950d9771395 Merged revisions 76208 via svnmerge from
Senthil Kumaran <orsenthil@gmail.com>
parents: 47990
diff changeset
263 cmdline = [scriptfile]
14676
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
264 if self.is_python(scriptfile):
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
265 interp = sys.executable
3c58716fafde An honest attempt to make this work on Unix, Windows, and even
Guido van Rossum <guido@python.org>
parents: 14332
diff changeset
266 if interp.lower().endswith("w.exe"):
20680
e3c24fc20a8d Fix two typos, one noted by Noah Spurrier in SF bug #475166, the
Guido van Rossum <guido@python.org>
parents: 20488
diff changeset
267 # On Windows, use python.exe, not pythonw.exe
e3c24fc20a8d Fix two typos, one noted by Noah Spurrier in SF bug #475166, the
Guido van Rossum <guido@python.org>
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268 interp = interp[:-5] + interp[-4:]
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269 cmdline = [interp, '-u'] + cmdline
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270 if '=' not in query:
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271 cmdline.append(query)
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272
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273 self.log_message("command: %s", subprocess.list2cmdline(cmdline))
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274 try:
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275 nbytes = int(length)
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276 except (TypeError, ValueError):
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277 nbytes = 0
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278 p = subprocess.Popen(cmdline,
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279 stdin = subprocess.PIPE,
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280 stdout = subprocess.PIPE,
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281 stderr = subprocess.PIPE
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282 )
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283 if self.command.lower() == "post" and nbytes > 0:
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284 data = self.rfile.read(nbytes)
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285 else:
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286 data = None
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287 # throw away additional data [see bug #427345]
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288 while select.select([self.rfile._sock], [], [], 0)[0]:
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289 if not self.rfile._sock.recv(1):
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290 break
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291 stdout, stderr = p.communicate(data)
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292 self.wfile.write(stdout)
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293 if stderr:
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294 self.log_error('%s', stderr)
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295 status = p.returncode
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296 if status:
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297 self.log_error("CGI script exit status %#x", status)
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298 else:
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299 self.log_message("CGI script exited OK")
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300
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301
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302 nobody = None
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303
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304 def nobody_uid():
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305 """Internal routine to get nobody's uid"""
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306 global nobody
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307 if nobody:
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308 return nobody
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309 try:
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310 import pwd
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311 except ImportError:
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312 return -1
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313 try:
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314 nobody = pwd.getpwnam('nobody')[2]
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315 except KeyError:
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316 nobody = 1 + max(map(lambda x: x[2], pwd.getpwall()))
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317 return nobody
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318
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319
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320 def executable(path):
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321 """Test for executable file."""
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322 try:
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323 st = os.stat(path)
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324 except os.error:
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325 return False
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326 return st.st_mode & 0111 != 0
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327
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328
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329 def test(HandlerClass = CGIHTTPRequestHandler,
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330 ServerClass = BaseHTTPServer.HTTPServer):
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331 SimpleHTTPServer.test(HandlerClass, ServerClass)
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332
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333
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334 if __name__ == '__main__':
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335 test()