Mercurial > cpython-lru_cache-weakref

annotate Lib/dos_8x3/cgihttps.py @ 5251:1bddba2f100e legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Whole lotta changes.
author Guido van Rossum <guido@python.org>
date Wed, 02 Apr 1997 06:13:34 +0000
parents b41019557b6e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3784
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Guido van Rossum <guido@python.org>
parents:
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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 """
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7
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8
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9 __version__ = "0.3"
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10
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11
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12 import os
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13 import sys
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14 import time
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15 import socket
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16 import string
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17 import urllib
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18 import BaseHTTPServer
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19 import SimpleHTTPServer
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20
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21
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22 class CGIHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
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23
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24 """Complete HTTP server with GET, HEAD and POST commands.
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25
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26 GET and HEAD also support running CGI scripts.
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27
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28 The POST command is *only* implemented for CGI scripts.
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29
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30 """
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31
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32 def do_POST(self):
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33 """Serve a POST request.
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34
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35 This is only implemented for CGI scripts.
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36
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37 """
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38
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39 if self.is_cgi():
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40 self.run_cgi()
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41 else:
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42 self.send_error(501, "Can only POST to CGI scripts")
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43
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44 def send_head(self):
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45 """Version of send_head that support CGI scripts"""
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46 if self.is_cgi():
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47 return self.run_cgi()
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48 else:
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49 return SimpleHTTPServer.SimpleHTTPRequestHandler.send_head(self)
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50
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51 def is_cgi(self):
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52 """test whether PATH corresponds to a CGI script.
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53
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54 Return a tuple (dir, rest) if PATH requires running a
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55 CGI script, None if not. Note that rest begins with a
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56 slash if it is not empty.
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57
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58 The default implementation tests whether the path
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59 begins with one of the strings in the list
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60 self.cgi_directories (and the next character is a '/'
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61 or the end of the string).
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62
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63 """
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64
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65 path = self.path
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66
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67 for x in self.cgi_directories:
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68 i = len(x)
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69 if path[:i] == x and (not path[i:] or path[i] == '/'):
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70 self.cgi_info = path[:i], path[i+1:]
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71 return 1
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72 return 0
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73
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74 cgi_directories = ['/cgi-bin', '/htbin']
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75
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76 def run_cgi(self):
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77 """Execute a CGI script."""
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78 dir, rest = self.cgi_info
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79 i = string.rfind(rest, '?')
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80 if i >= 0:
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81 rest, query = rest[:i], rest[i+1:]
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82 else:
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83 query = ''
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84 i = string.find(rest, '/')
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85 if i >= 0:
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86 script, rest = rest[:i], rest[i:]
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87 else:
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88 script, rest = rest, ''
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89 scriptname = dir + '/' + script
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90 scriptfile = self.translate_path(scriptname)
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91 if not os.path.exists(scriptfile):
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92 self.send_error(404, "No such CGI script (%s)" % `scriptname`)
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93 return
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94 if not os.path.isfile(scriptfile):
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95 self.send_error(403, "CGI script is not a plain file (%s)" %
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96 `scriptname`)
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97 return
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98 if not executable(scriptfile):
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99 self.send_error(403, "CGI script is not executable (%s)" %
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100 `scriptname`)
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101 return
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102 nobody = nobody_uid()
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103 self.send_response(200, "Script output follows")
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104 self.wfile.flush() # Always flush before forking
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105 pid = os.fork()
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106 if pid != 0:
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107 # Parent
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108 pid, sts = os.waitpid(pid, 0)
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109 if sts:
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110 self.log_error("CGI script exit status x%x" % sts)
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111 return
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112 # Child
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113 try:
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114 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html
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115 # XXX Much of the following could be prepared ahead of time!
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116 env = {}
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117 env['SERVER_SOFTWARE'] = self.version_string()
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118 env['SERVER_NAME'] = self.server.server_name
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119 env['GATEWAY_INTERFACE'] = 'CGI/1.1'
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120 env['SERVER_PROTOCOL'] = self.protocol_version
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121 env['SERVER_PORT'] = str(self.server.server_port)
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122 env['REQUEST_METHOD'] = self.command
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123 uqrest = urllib.unquote(rest)
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124 env['PATH_INFO'] = uqrest
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125 env['PATH_TRANSLATED'] = self.translate_path(uqrest)
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126 env['SCRIPT_NAME'] = scriptname
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127 if query:
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128 env['QUERY_STRING'] = query
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129 host = self.address_string()
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130 if host != self.client_address[0]:
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131 env['REMOTE_HOST'] = host
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132 env['REMOTE_ADDR'] = self.client_address[0]
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133 # AUTH_TYPE
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134 # REMOTE_USER
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135 # REMOTE_IDENT
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136 env['CONTENT_TYPE'] = self.headers.type
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137 length = self.headers.getheader('content-length')
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138 if length:
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139 env['CONTENT_LENGTH'] = length
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140 accept = []
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Guido van Rossum <guido@python.org>
parents:
diff changeset
141 for line in self.headers.getallmatchingheaders('accept'):
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
142 if line[:1] in string.whitespace:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
143 accept.append(string.strip(line))
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
144 else:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
145 accept = accept + string.split(line[7:])
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
146 env['HTTP_ACCEPT'] = string.joinfields(accept, ',')
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
147 ua = self.headers.getheader('user-agent')
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
148 if ua:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
149 env['HTTP_USER_AGENT'] = ua
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
150 # XXX Other HTTP_* headers
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
151 import regsub
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
152 decoded_query = regsub.gsub('+', ' ', query)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
153 try:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
154 os.setuid(nobody)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
155 except os.error:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
156 pass
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 os.dup2(self.rfile.fileno(), 0)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
158 os.dup2(self.wfile.fileno(), 1)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
159 print scriptfile, script, decoded_query
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
160 os.execve(scriptfile,
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
161 [script, decoded_query],
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
162 env)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
163 except:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
164 self.server.handle_error(self.request, self.client_address)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
165 os._exit(127)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
166
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
167
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
168 nobody = None
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
169
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
170 def nobody_uid():
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
171 """Internal routine to get nobody's uid"""
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
172 global nobody
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
173 if nobody:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
174 return nobody
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
175 import pwd
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
176 try:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
177 nobody = pwd.getpwnam('nobody')[2]
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
178 except pwd.error:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
179 nobody = 1 + max(map(lambda x: x[2], pwd.getpwall()))
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
180 return nobody
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
181
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
182
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
183 def executable(path):
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
184 """Test for executable file."""
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
185 try:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
186 st = os.stat(path)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
187 except os.error:
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
188 return 0
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 return st[0] & 0111 != 0
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
190
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
191
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
192 def test(HandlerClass = CGIHTTPRequestHandler,
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
193 ServerClass = BaseHTTPServer.HTTPServer):
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
194 SimpleHTTPServer.test(HandlerClass, ServerClass)
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
195
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
196
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
197 if __name__ == '__main__':
b41019557b6e Fuck. For PC support, this must be in the distribution.
Guido van Rossum <guido@python.org>
parents:
diff changeset
198 test()