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annotate roundup/anypy/vendored/cgi.py @ 8308:185335b2301b

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build: issue2551399 - CI is failing with flake8 syntax error F824 Removed global declaration when only reading, not writing module/global variable in block scope.
author John Rouillard <rouilj@ieee.org>
date Sun, 11 May 2025 16:53:22 -0400
parents 978285986b2c
children fed0f839c260
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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 The global variable maxlen can be set to an integer indicating the maximum size
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18 of a POST request. POST requests larger than this size will result in a
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19 ValueError being raised during parsing. The default value of this variable is 0,
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20 meaning the request size is unlimited.
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21 """
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22
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23 # History
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24 # -------
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25 #
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26 # Michael McLay started this module. Steve Majewski changed the
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27 # interface to SvFormContentDict and FormContentDict. The multipart
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28 # parsing was inspired by code submitted by Andreas Paepcke. Guido van
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29 # Rossum rewrote, reformatted and documented the module and is currently
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30 # responsible for its maintenance.
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31 #
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32
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33 __version__ = "2.6"
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34
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35
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36 # Imports
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37 # =======
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38
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39 from io import StringIO, BytesIO, TextIOWrapper
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40 from collections.abc import Mapping
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41 import sys
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42 import os
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43 import urllib.parse
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44 from email.parser import FeedParser
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45 from email.message import Message
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46 import html
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47 import locale
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48 import tempfile
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49 import warnings
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50
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51 __all__ = ["MiniFieldStorage", "FieldStorage", "parse", "parse_multipart",
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52 "parse_header", "test", "print_exception", "print_environ",
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53 "print_form", "print_directory", "print_arguments",
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54 "print_environ_usage"]
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55
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56 # Logging support
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57 # ===============
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58
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59 logfile = "" # Filename to log to, if not empty
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60 logfp = None # File object to log to, if not None
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61
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62 def initlog(*allargs):
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63 """Write a log message, if there is a log file.
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64
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65 Even though this function is called initlog(), you should always
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66 use log(); log is a variable that is set either to initlog
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67 (initially), to dolog (once the log file has been opened), or to
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68 nolog (when logging is disabled).
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69
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70 The first argument is a format string; the remaining arguments (if
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71 any) are arguments to the % operator, so e.g.
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72 log("%s: %s", "a", "b")
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73 will write "a: b" to the log file, followed by a newline.
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74
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75 If the global logfp is not None, it should be a file object to
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76 which log data is written.
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77
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78 If the global logfp is None, the global logfile may be a string
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79 giving a filename to open, in append mode. This file should be
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80 world writable!!! If the file can't be opened, logging is
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81 silently disabled (since there is no safe place where we could
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82 send an error message).
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83
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84 """
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85 global log, logfp
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86 warnings.warn("cgi.log() is deprecated as of 3.10. Use logging instead",
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87 DeprecationWarning, stacklevel=2)
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88 if logfile and not logfp:
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89 try:
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90 logfp = open(logfile, "a", encoding="locale")
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91 except OSError:
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92 pass
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93 if not logfp:
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94 log = nolog
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95 else:
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96 log = dolog
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97 log(*allargs)
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98
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99 def dolog(fmt, *args):
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100 """Write a log message to the log file. See initlog() for docs."""
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101 logfp.write(fmt%args + "\n")
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102
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103 def nolog(*allargs):
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104 """Dummy function, assigned to log when logging is disabled."""
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105 pass
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106
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107 def closelog():
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108 """Close the log file."""
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109 global log, logfile, logfp
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110 logfile = ''
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111 if logfp:
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112 logfp.close()
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113 logfp = None
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114 log = initlog
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115
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116 log = initlog # The current logging function
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117
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118
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119 # Parsing functions
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120 # =================
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121
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122 # Maximum input we will accept when REQUEST_METHOD is POST
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123 # 0 ==> unlimited input
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124 maxlen = 0
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125
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126 def parse(fp=None, environ=os.environ, keep_blank_values=0,
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127 strict_parsing=0, separator='&'):
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128 """Parse a query in the environment or from a file (default stdin)
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129
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130 Arguments, all optional:
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131
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132 fp : file pointer; default: sys.stdin.buffer
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133
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134 environ : environment dictionary; default: os.environ
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135
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136 keep_blank_values: flag indicating whether blank values in
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137 percent-encoded forms should be treated as blank strings.
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138 A true value indicates that blanks should be retained as
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139 blank strings. The default false value indicates that
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140 blank values are to be ignored and treated as if they were
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141 not included.
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142
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143 strict_parsing: flag indicating what to do with parsing errors.
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144 If false (the default), errors are silently ignored.
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145 If true, errors raise a ValueError exception.
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146
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147 separator: str. The symbol to use for separating the query arguments.
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148 Defaults to &.
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149 """
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150 if fp is None:
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151 fp = sys.stdin
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152
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153 # field keys and values (except for files) are returned as strings
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154 # an encoding is required to decode the bytes read from self.fp
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155 if hasattr(fp,'encoding'):
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156 encoding = fp.encoding
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157 else:
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158 encoding = 'latin-1'
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159
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160 # fp.read() must return bytes
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161 if isinstance(fp, TextIOWrapper):
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162 fp = fp.buffer
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163
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164 if not 'REQUEST_METHOD' in environ:
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165 environ['REQUEST_METHOD'] = 'GET' # For testing stand-alone
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166 if environ['REQUEST_METHOD'] == 'POST':
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167 ctype, pdict = parse_header(environ['CONTENT_TYPE'])
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168 if ctype == 'multipart/form-data':
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169 return parse_multipart(fp, pdict, separator=separator)
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170 elif ctype == 'application/x-www-form-urlencoded':
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171 clength = int(environ['CONTENT_LENGTH'])
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172 if maxlen and clength > maxlen:
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173 raise ValueError('Maximum content length exceeded')
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174 qs = fp.read(clength).decode(encoding)
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175 else:
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176 qs = '' # Unknown content-type
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177 if 'QUERY_STRING' in environ:
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178 if qs: qs = qs + '&'
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179 qs = qs + environ['QUERY_STRING']
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180 elif sys.argv[1:]:
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181 if qs: qs = qs + '&'
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182 qs = qs + sys.argv[1]
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183 environ['QUERY_STRING'] = qs # XXX Shouldn't, really
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184 elif 'QUERY_STRING' in environ:
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185 qs = environ['QUERY_STRING']
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186 else:
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187 if sys.argv[1:]:
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188 qs = sys.argv[1]
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189 else:
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190 qs = ""
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191 environ['QUERY_STRING'] = qs # XXX Shouldn't, really
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192 return urllib.parse.parse_qs(qs, keep_blank_values, strict_parsing,
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193 encoding=encoding, separator=separator)
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194
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195
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196 def parse_multipart(fp, pdict, encoding="utf-8", errors="replace", separator='&'):
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197 """Parse multipart input.
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198
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199 Arguments:
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200 fp : input file
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201 pdict: dictionary containing other parameters of content-type header
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202 encoding, errors: request encoding and error handler, passed to
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203 FieldStorage
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204
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205 Returns a dictionary just like parse_qs(): keys are the field names, each
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206 value is a list of values for that field. For non-file fields, the value
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207 is a list of strings.
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208 """
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209 # RFC 2046, Section 5.1 : The "multipart" boundary delimiters are always
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210 # represented as 7bit US-ASCII.
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211 boundary = pdict['boundary'].decode('ascii')
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212 ctype = "multipart/form-data; boundary={}".format(boundary)
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213 headers = Message()
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214 headers.set_type(ctype)
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215 try:
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216 headers['Content-Length'] = pdict['CONTENT-LENGTH']
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217 except KeyError:
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218 pass
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219 fs = FieldStorage(fp, headers=headers, encoding=encoding, errors=errors,
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220 environ={'REQUEST_METHOD': 'POST'}, separator=separator)
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221 return {k: fs.getlist(k) for k in fs}
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222
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223 def _parseparam(s):
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224 while s[:1] == ';':
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225 s = s[1:]
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226 end = s.find(';')
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227 while end > 0 and (s.count('"', 0, end) - s.count('\\"', 0, end)) % 2:
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228 end = s.find(';', end + 1)
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229 if end < 0:
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230 end = len(s)
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231 f = s[:end]
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232 yield f.strip()
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233 s = s[end:]
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234
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235 def parse_header(line):
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236 """Parse a Content-type like header.
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237
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238 Return the main content-type and a dictionary of options.
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239
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240 """
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241 parts = _parseparam(';' + line)
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242 key = parts.__next__()
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243 pdict = {}
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244 for p in parts:
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245 i = p.find('=')
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246 if i >= 0:
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247 name = p[:i].strip().lower()
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248 value = p[i+1:].strip()
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249 if len(value) >= 2 and value[0] == value[-1] == '"':
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250 value = value[1:-1]
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251 value = value.replace('\\\\', '\\').replace('\\"', '"')
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252 pdict[name] = value
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253 return key, pdict
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254
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255
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256 # Classes for field storage
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257 # =========================
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258
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259 class MiniFieldStorage:
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260
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261 """Like FieldStorage, for use when no file uploads are possible."""
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262
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263 # Dummy attributes
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264 filename = None
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265 list = None
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266 type = None
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267 file = None
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268 type_options = {}
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269 disposition = None
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270 disposition_options = {}
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271 headers = {}
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272
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273 def __init__(self, name, value):
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274 """Constructor from field name and value."""
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275 self.name = name
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276 self.value = value
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277 # self.file = StringIO(value)
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278
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279 def __repr__(self):
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280 """Return printable representation."""
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281 return "MiniFieldStorage(%r, %r)" % (self.name, self.value)
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282
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283
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284 class FieldStorage:
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285
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286 """Store a sequence of fields, reading multipart/form-data.
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287
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288 This class provides naming, typing, files stored on disk, and
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289 more. At the top level, it is accessible like a dictionary, whose
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290 keys are the field names. (Note: None can occur as a field name.)
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291 The items are either a Python list (if there's multiple values) or
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292 another FieldStorage or MiniFieldStorage object. If it's a single
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293 object, it has the following attributes:
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294
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295 name: the field name, if specified; otherwise None
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296
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297 filename: the filename, if specified; otherwise None; this is the
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298 client side filename, *not* the file name on which it is
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299 stored (that's a temporary file you don't deal with)
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300
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301 value: the value as a *string*; for file uploads, this
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302 transparently reads the file every time you request the value
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303 and returns *bytes*
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304
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305 file: the file(-like) object from which you can read the data *as
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306 bytes* ; None if the data is stored a simple string
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307
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308 type: the content-type, or None if not specified
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309
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310 type_options: dictionary of options specified on the content-type
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311 line
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312
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313 disposition: content-disposition, or None if not specified
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314
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315 disposition_options: dictionary of corresponding options
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316
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317 headers: a dictionary(-like) object (sometimes email.message.Message or a
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318 subclass thereof) containing *all* headers
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319
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320 The class is subclassable, mostly for the purpose of overriding
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321 the make_file() method, which is called internally to come up with
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322 a file open for reading and writing. This makes it possible to
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323 override the default choice of storing all files in a temporary
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324 directory and unlinking them as soon as they have been opened.
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325
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326 """
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327 def __init__(self, fp=None, headers=None, outerboundary=b'',
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328 environ=os.environ, keep_blank_values=0, strict_parsing=0,
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329 limit=None, encoding='utf-8', errors='replace',
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330 max_num_fields=None, separator='&'):
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331 """Constructor. Read multipart/* until last part.
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332
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333 Arguments, all optional:
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334
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335 fp : file pointer; default: sys.stdin.buffer
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336 (not used when the request method is GET)
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337 Can be :
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338 1. a TextIOWrapper object
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339 2. an object whose read() and readline() methods return bytes
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340
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341 headers : header dictionary-like object; default:
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342 taken from environ as per CGI spec
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343
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344 outerboundary : terminating multipart boundary
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345 (for internal use only)
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346
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347 environ : environment dictionary; default: os.environ
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348
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349 keep_blank_values: flag indicating whether blank values in
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350 percent-encoded forms should be treated as blank strings.
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351 A true value indicates that blanks should be retained as
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352 blank strings. The default false value indicates that
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353 blank values are to be ignored and treated as if they were
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354 not included.
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355
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356 strict_parsing: flag indicating what to do with parsing errors.
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357 If false (the default), errors are silently ignored.
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358 If true, errors raise a ValueError exception.
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359
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360 limit : used internally to read parts of multipart/form-data forms,
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361 to exit from the reading loop when reached. It is the difference
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362 between the form content-length and the number of bytes already
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363 read
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364
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365 encoding, errors : the encoding and error handler used to decode the
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366 binary stream to strings. Must be the same as the charset defined
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367 for the page sending the form (content-type : meta http-equiv or
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368 header)
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369
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370 max_num_fields: int. If set, then __init__ throws a ValueError
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371 if there are more than n fields read by parse_qsl().
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372
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373 """
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374 method = 'GET'
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375 self.keep_blank_values = keep_blank_values
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376 self.strict_parsing = strict_parsing
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377 self.max_num_fields = max_num_fields
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378 self.separator = separator
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379 if 'REQUEST_METHOD' in environ:
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380 method = environ['REQUEST_METHOD'].upper()
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381 self.qs_on_post = None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
382 if method == 'GET' or method == 'HEAD':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
383 if 'QUERY_STRING' in environ:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
384 qs = environ['QUERY_STRING']
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
385 elif sys.argv[1:]:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
386 qs = sys.argv[1]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
387 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
388 qs = ""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
389 qs = qs.encode(locale.getpreferredencoding(), 'surrogateescape')
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
390 fp = BytesIO(qs)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
391 if headers is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
392 headers = {'content-type':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
393 "application/x-www-form-urlencoded"}
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
394 if headers is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
395 headers = {}
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
396 if method == 'POST':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
397 # Set default content-type for POST to what's traditional
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
398 headers['content-type'] = "application/x-www-form-urlencoded"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
399 if 'CONTENT_TYPE' in environ:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
400 headers['content-type'] = environ['CONTENT_TYPE']
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
401 if 'QUERY_STRING' in environ:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
402 self.qs_on_post = environ['QUERY_STRING']
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
403 if 'CONTENT_LENGTH' in environ:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
404 headers['content-length'] = environ['CONTENT_LENGTH']
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
405 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
406 if not (isinstance(headers, (Mapping, Message))):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
407 raise TypeError("headers must be mapping or an instance of "
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
408 "email.message.Message")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
409 self.headers = headers
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
410 if fp is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
411 self.fp = sys.stdin.buffer
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
412 # self.fp.read() must return bytes
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
413 elif isinstance(fp, TextIOWrapper):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
414 self.fp = fp.buffer
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
415 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
416 if not (hasattr(fp, 'read') and hasattr(fp, 'readline')):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
417 raise TypeError("fp must be file pointer")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
418 self.fp = fp
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
419
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
420 self.encoding = encoding
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
421 self.errors = errors
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
422
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
423 if not isinstance(outerboundary, bytes):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
424 raise TypeError('outerboundary must be bytes, not %s'
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
425 % type(outerboundary).__name__)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
426 self.outerboundary = outerboundary
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
427
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
428 self.bytes_read = 0
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
429 self.limit = limit
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
430
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
431 # Process content-disposition header
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
432 cdisp, pdict = "", {}
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
433 if 'content-disposition' in self.headers:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
434 cdisp, pdict = parse_header(self.headers['content-disposition'])
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
435 self.disposition = cdisp
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
436 self.disposition_options = pdict
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
437 self.name = None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
438 if 'name' in pdict:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
439 self.name = pdict['name']
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
440 self.filename = None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
441 if 'filename' in pdict:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
442 self.filename = pdict['filename']
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
443 self._binary_file = self.filename is not None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
444
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
445 # Process content-type header
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
446 #
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
447 # Honor any existing content-type header. But if there is no
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
448 # content-type header, use some sensible defaults. Assume
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
449 # outerboundary is "" at the outer level, but something non-false
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
450 # inside a multi-part. The default for an inner part is text/plain,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
451 # but for an outer part it should be urlencoded. This should catch
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
452 # bogus clients which erroneously forget to include a content-type
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
453 # header.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
454 #
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
455 # See below for what we do if there does exist a content-type header,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
456 # but it happens to be something we don't understand.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
457 if 'content-type' in self.headers:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
458 ctype, pdict = parse_header(self.headers['content-type'])
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
459 elif self.outerboundary or method != 'POST':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
460 ctype, pdict = "text/plain", {}
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
461 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
462 ctype, pdict = 'application/x-www-form-urlencoded', {}
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
463 self.type = ctype
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
464 self.type_options = pdict
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
465 if 'boundary' in pdict:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
466 self.innerboundary = pdict['boundary'].encode(self.encoding,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
467 self.errors)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
468 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
469 self.innerboundary = b""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
470
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
471 clen = -1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
472 if 'content-length' in self.headers:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
473 try:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
474 clen = int(self.headers['content-length'])
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
475 except ValueError:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
476 pass
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
477 if maxlen and clen > maxlen:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
478 raise ValueError('Maximum content length exceeded')
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
479 self.length = clen
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
480 if self.limit is None and clen >= 0:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
481 self.limit = clen
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
482
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
483 self.list = self.file = None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
484 self.done = 0
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
485 if ctype == 'application/x-www-form-urlencoded':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
486 self.read_urlencoded()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
487 elif ctype[:10] == 'multipart/':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
488 self.read_multi(environ, keep_blank_values, strict_parsing)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
489 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
490 self.read_single()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
491
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
492 def __del__(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
493 try:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
494 self.file.close()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
495 except AttributeError:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
496 pass
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
497
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
498 def __enter__(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
499 return self
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
500
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
501 def __exit__(self, *args):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
502 self.file.close()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
503
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
504 def __repr__(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
505 """Return a printable representation."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
506 return "FieldStorage(%r, %r, %r)" % (
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
507 self.name, self.filename, self.value)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
508
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
509 def __iter__(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
510 return iter(self.keys())
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
511
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
512 def __getattr__(self, name):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
513 if name != 'value':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
514 raise AttributeError(name)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
515 if self.file:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
516 self.file.seek(0)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
517 value = self.file.read()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
518 self.file.seek(0)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
519 elif self.list is not None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
520 value = self.list
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
521 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
522 value = None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
523 return value
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
524
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
525 def __getitem__(self, key):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
526 """Dictionary style indexing."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
527 if self.list is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
528 raise TypeError("not indexable")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
529 found = []
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
530 for item in self.list:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
531 if item.name == key: found.append(item)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
532 if not found:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
533 raise KeyError(key)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
534 if len(found) == 1:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
535 return found[0]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
536 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
537 return found
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
538
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
539 def getvalue(self, key, default=None):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
540 """Dictionary style get() method, including 'value' lookup."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
541 if key in self:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
542 value = self[key]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
543 if isinstance(value, list):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
544 return [x.value for x in value]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
545 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
546 return value.value
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
547 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
548 return default
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
549
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
550 def getfirst(self, key, default=None):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
551 """ Return the first value received."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
552 if key in self:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
553 value = self[key]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
554 if isinstance(value, list):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
555 return value[0].value
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
556 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
557 return value.value
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
558 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
559 return default
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
560
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
561 def getlist(self, key):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
562 """ Return list of received values."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
563 if key in self:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
564 value = self[key]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
565 if isinstance(value, list):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
566 return [x.value for x in value]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
567 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
568 return [value.value]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
569 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
570 return []
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
571
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
572 def keys(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
573 """Dictionary style keys() method."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
574 if self.list is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
575 raise TypeError("not indexable")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
576 return list(set(item.name for item in self.list))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
577
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
578 def __contains__(self, key):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
579 """Dictionary style __contains__ method."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
580 if self.list is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
581 raise TypeError("not indexable")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
582 return any(item.name == key for item in self.list)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
583
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
584 def __len__(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
585 """Dictionary style len(x) support."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
586 return len(self.keys())
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
587
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
588 def __bool__(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
589 if self.list is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
590 raise TypeError("Cannot be converted to bool.")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
591 return bool(self.list)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
592
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
593 def read_urlencoded(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
594 """Internal: read data in query string format."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
595 qs = self.fp.read(self.length)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
596 if not isinstance(qs, bytes):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
597 raise ValueError("%s should return bytes, got %s" \
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
598 % (self.fp, type(qs).__name__))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
599 qs = qs.decode(self.encoding, self.errors)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
600 if self.qs_on_post:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
601 qs += '&' + self.qs_on_post
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
602 query = urllib.parse.parse_qsl(
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
603 qs, self.keep_blank_values, self.strict_parsing,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
604 encoding=self.encoding, errors=self.errors,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
605 max_num_fields=self.max_num_fields, separator=self.separator)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
606 self.list = [MiniFieldStorage(key, value) for key, value in query]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
607 self.skip_lines()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
608
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
609 FieldStorageClass = None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
610
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
611 def read_multi(self, environ, keep_blank_values, strict_parsing):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
612 """Internal: read a part that is itself multipart."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
613 ib = self.innerboundary
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
614 if not valid_boundary(ib):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
615 raise ValueError('Invalid boundary in multipart form: %r' % (ib,))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
616 self.list = []
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
617 if self.qs_on_post:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
618 query = urllib.parse.parse_qsl(
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
619 self.qs_on_post, self.keep_blank_values, self.strict_parsing,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
620 encoding=self.encoding, errors=self.errors,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
621 max_num_fields=self.max_num_fields, separator=self.separator)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
622 self.list.extend(MiniFieldStorage(key, value) for key, value in query)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
623
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
624 klass = self.FieldStorageClass or self.__class__
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
625 first_line = self.fp.readline() # bytes
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
626 if not isinstance(first_line, bytes):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
627 raise ValueError("%s should return bytes, got %s" \
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
628 % (self.fp, type(first_line).__name__))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
629 self.bytes_read += len(first_line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
630
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
631 # Ensure that we consume the file until we've hit our inner boundary
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
632 while (first_line.strip() != (b"--" + self.innerboundary) and
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
633 first_line):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
634 first_line = self.fp.readline()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
635 self.bytes_read += len(first_line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
636
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
637 # Propagate max_num_fields into the sub class appropriately
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
638 max_num_fields = self.max_num_fields
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
639 if max_num_fields is not None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
640 max_num_fields -= len(self.list)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
641
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
642 while True:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
643 parser = FeedParser()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
644 hdr_text = b""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
645 while True:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
646 data = self.fp.readline()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
647 hdr_text += data
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
648 if not data.strip():
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
649 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
650 if not hdr_text:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
651 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
652 # parser takes strings, not bytes
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
653 self.bytes_read += len(hdr_text)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
654 parser.feed(hdr_text.decode(self.encoding, self.errors))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
655 headers = parser.close()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
656
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
657 # Some clients add Content-Length for part headers, ignore them
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
658 if 'content-length' in headers:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
659 del headers['content-length']
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
660
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
661 limit = None if self.limit is None \
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
662 else self.limit - self.bytes_read
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
663 part = klass(self.fp, headers, ib, environ, keep_blank_values,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
664 strict_parsing, limit,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
665 self.encoding, self.errors, max_num_fields, self.separator)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
666
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
667 if max_num_fields is not None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
668 max_num_fields -= 1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
669 if part.list:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
670 max_num_fields -= len(part.list)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
671 if max_num_fields < 0:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
672 raise ValueError('Max number of fields exceeded')
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
673
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
674 self.bytes_read += part.bytes_read
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
675 self.list.append(part)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
676 if part.done or self.bytes_read >= self.length > 0:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
677 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
678 self.skip_lines()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
679
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
680 def read_single(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
681 """Internal: read an atomic part."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
682 if self.length >= 0:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
683 self.read_binary()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
684 self.skip_lines()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
685 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
686 self.read_lines()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
687 self.file.seek(0)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
688
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
689 bufsize = 8*1024 # I/O buffering size for copy to file
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
690
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
691 def read_binary(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
692 """Internal: read binary data."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
693 self.file = self.make_file()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
694 todo = self.length
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
695 if todo >= 0:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
696 while todo > 0:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
697 data = self.fp.read(min(todo, self.bufsize)) # bytes
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
698 if not isinstance(data, bytes):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
699 raise ValueError("%s should return bytes, got %s"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
700 % (self.fp, type(data).__name__))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
701 self.bytes_read += len(data)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
702 if not data:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
703 self.done = -1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
704 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
705 self.file.write(data)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
706 todo = todo - len(data)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
707
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
708 def read_lines(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
709 """Internal: read lines until EOF or outerboundary."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
710 if self._binary_file:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
711 self.file = self.__file = BytesIO() # store data as bytes for files
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
712 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
713 self.file = self.__file = StringIO() # as strings for other fields
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
714 if self.outerboundary:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
715 self.read_lines_to_outerboundary()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
716 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
717 self.read_lines_to_eof()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
718
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
719 def __write(self, line):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
720 """line is always bytes, not string"""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
721 if self.__file is not None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
722 if self.__file.tell() + len(line) > 1000:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
723 self.file = self.make_file()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
724 data = self.__file.getvalue()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
725 self.file.write(data)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
726 self.__file = None
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
727 if self._binary_file:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
728 # keep bytes
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
729 self.file.write(line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
730 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
731 # decode to string
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
732 self.file.write(line.decode(self.encoding, self.errors))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
733
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
734 def read_lines_to_eof(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
735 """Internal: read lines until EOF."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
736 while 1:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
737 line = self.fp.readline(1<<16) # bytes
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
738 self.bytes_read += len(line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
739 if not line:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
740 self.done = -1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
741 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
742 self.__write(line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
743
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
744 def read_lines_to_outerboundary(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
745 """Internal: read lines until outerboundary.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
746 Data is read as bytes: boundaries and line ends must be converted
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
747 to bytes for comparisons.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
748 """
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
749 next_boundary = b"--" + self.outerboundary
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
750 last_boundary = next_boundary + b"--"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
751 delim = b""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
752 last_line_lfend = True
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
753 _read = 0
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
754 while 1:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
755
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
756 if self.limit is not None and 0 <= self.limit <= _read:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
757 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
758 line = self.fp.readline(1<<16) # bytes
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
759 self.bytes_read += len(line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
760 _read += len(line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
761 if not line:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
762 self.done = -1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
763 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
764 if delim == b"\r":
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
765 line = delim + line
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
766 delim = b""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
767 if line.startswith(b"--") and last_line_lfend:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
768 strippedline = line.rstrip()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
769 if strippedline == next_boundary:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
770 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
771 if strippedline == last_boundary:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
772 self.done = 1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
773 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
774 odelim = delim
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
775 if line.endswith(b"\r\n"):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
776 delim = b"\r\n"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
777 line = line[:-2]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
778 last_line_lfend = True
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
779 elif line.endswith(b"\n"):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
780 delim = b"\n"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
781 line = line[:-1]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
782 last_line_lfend = True
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
783 elif line.endswith(b"\r"):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
784 # We may interrupt \r\n sequences if they span the 2**16
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
785 # byte boundary
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
786 delim = b"\r"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
787 line = line[:-1]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
788 last_line_lfend = False
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
789 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
790 delim = b""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
791 last_line_lfend = False
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
792 self.__write(odelim + line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
793
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
794 def skip_lines(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
795 """Internal: skip lines until outer boundary if defined."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
796 if not self.outerboundary or self.done:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
797 return
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
798 next_boundary = b"--" + self.outerboundary
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
799 last_boundary = next_boundary + b"--"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
800 last_line_lfend = True
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
801 while True:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
802 line = self.fp.readline(1<<16)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
803 self.bytes_read += len(line)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
804 if not line:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
805 self.done = -1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
806 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
807 if line.endswith(b"--") and last_line_lfend:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
808 strippedline = line.strip()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
809 if strippedline == next_boundary:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
810 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
811 if strippedline == last_boundary:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
812 self.done = 1
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
813 break
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
814 last_line_lfend = line.endswith(b'\n')
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
815
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
816 def make_file(self):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
817 """Overridable: return a readable & writable file.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
818
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
819 The file will be used as follows:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
820 - data is written to it
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
821 - seek(0)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
822 - data is read from it
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
823
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
824 The file is opened in binary mode for files, in text mode
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
825 for other fields
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
826
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
827 This version opens a temporary file for reading and writing,
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
828 and immediately deletes (unlinks) it. The trick (on Unix!) is
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
829 that the file can still be used, but it can't be opened by
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
830 another process, and it will automatically be deleted when it
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
831 is closed or when the current process terminates.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
832
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
833 If you want a more permanent file, you derive a class which
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
834 overrides this method. If you want a visible temporary file
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
835 that is nevertheless automatically deleted when the script
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
836 terminates, try defining a __del__ method in a derived class
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
837 which unlinks the temporary files you have created.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
838
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
839 """
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
840 if self._binary_file:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
841 return tempfile.TemporaryFile("wb+")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
842 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
843 return tempfile.TemporaryFile("w+",
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
844 encoding=self.encoding, newline = '\n')
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
845
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
846
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
847 # Test/debug code
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
848 # ===============
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
849
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
850 def test(environ=os.environ):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
851 """Robust test CGI script, usable as main program.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
852
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
853 Write minimal HTTP headers and dump all information provided to
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
854 the script in HTML form.
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
855
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
856 """
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
857 print("Content-type: text/html")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
858 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
859 sys.stderr = sys.stdout
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
860 try:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
861 form = FieldStorage() # Replace with other classes to test those
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
862 print_directory()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
863 print_arguments()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
864 print_form(form)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
865 print_environ(environ)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
866 print_environ_usage()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
867 def f():
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
868 exec("testing print_exception() -- <I>italics?</I>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
869 def g(f=f):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
870 f()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
871 print("<H3>What follows is a test, not an actual exception:</H3>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
872 g()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
873 except:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
874 print_exception()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
875
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
876 print("<H1>Second try with a small maxlen...</H1>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
877
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
878 global maxlen
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
879 maxlen = 50
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
880 try:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
881 form = FieldStorage() # Replace with other classes to test those
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
882 print_directory()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
883 print_arguments()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
884 print_form(form)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
885 print_environ(environ)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
886 except:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
887 print_exception()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
888
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
889 def print_exception(type=None, value=None, tb=None, limit=None):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
890 if type is None:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
891 type, value, tb = sys.exc_info()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
892 import traceback
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
893 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
894 print("<H3>Traceback (most recent call last):</H3>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
895 list = traceback.format_tb(tb, limit) + \
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
896 traceback.format_exception_only(type, value)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
897 print("<PRE>%s<B>%s</B></PRE>" % (
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
898 html.escape("".join(list[:-1])),
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
899 html.escape(list[-1]),
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
900 ))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
901 del tb
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
902
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
903 def print_environ(environ=os.environ):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
904 """Dump the shell environment as HTML."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
905 keys = sorted(environ.keys())
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
906 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
907 print("<H3>Shell Environment:</H3>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
908 print("<DL>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
909 for key in keys:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
910 print("<DT>", html.escape(key), "<DD>", html.escape(environ[key]))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
911 print("</DL>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
912 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
913
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
914 def print_form(form):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
915 """Dump the contents of a form as HTML."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
916 keys = sorted(form.keys())
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
917 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
918 print("<H3>Form Contents:</H3>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
919 if not keys:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
920 print("<P>No form fields.")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
921 print("<DL>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
922 for key in keys:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
923 print("<DT>" + html.escape(key) + ":", end=' ')
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
924 value = form[key]
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
925 print("<i>" + html.escape(repr(type(value))) + "</i>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
926 print("<DD>" + html.escape(repr(value)))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
927 print("</DL>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
928 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
929
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
930 def print_directory():
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
931 """Dump the current directory as HTML."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
932 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
933 print("<H3>Current Working Directory:</H3>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
934 try:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
935 pwd = os.getcwd()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
936 except OSError as msg:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
937 print("OSError:", html.escape(str(msg)))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
938 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
939 print(html.escape(pwd))
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
940 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
941
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
942 def print_arguments():
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
943 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
944 print("<H3>Command Line Arguments:</H3>")
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
945 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
946 print(sys.argv)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
947 print()
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
948
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
949 def print_environ_usage():
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
950 """Dump a list of environment variables used by CGI as HTML."""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
951 print("""
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
952 <H3>These environment variables could have been set:</H3>
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
953 <UL>
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
954 <LI>AUTH_TYPE
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
955 <LI>CONTENT_LENGTH
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
956 <LI>CONTENT_TYPE
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
957 <LI>DATE_GMT
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
958 <LI>DATE_LOCAL
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
959 <LI>DOCUMENT_NAME
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
960 <LI>DOCUMENT_ROOT
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
961 <LI>DOCUMENT_URI
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
962 <LI>GATEWAY_INTERFACE
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
963 <LI>LAST_MODIFIED
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
964 <LI>PATH
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
965 <LI>PATH_INFO
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
966 <LI>PATH_TRANSLATED
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
967 <LI>QUERY_STRING
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
968 <LI>REMOTE_ADDR
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
969 <LI>REMOTE_HOST
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
970 <LI>REMOTE_IDENT
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
971 <LI>REMOTE_USER
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
972 <LI>REQUEST_METHOD
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
973 <LI>SCRIPT_NAME
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
974 <LI>SERVER_NAME
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
975 <LI>SERVER_PORT
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
976 <LI>SERVER_PROTOCOL
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
977 <LI>SERVER_ROOT
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
978 <LI>SERVER_SOFTWARE
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
979 </UL>
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
980 In addition, HTTP headers sent by the server may be passed in the
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
981 environment as well. Here are some common variable names:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
982 <UL>
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
983 <LI>HTTP_ACCEPT
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
984 <LI>HTTP_CONNECTION
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
985 <LI>HTTP_HOST
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
986 <LI>HTTP_PRAGMA
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
987 <LI>HTTP_REFERER
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
988 <LI>HTTP_USER_AGENT
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
989 </UL>
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
990 """)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
991
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
992
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
993 # Utilities
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
994 # =========
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
995
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
996 def valid_boundary(s):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
997 import re
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
998 if isinstance(s, bytes):
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
999 _vb_pattern = b"^[ -~]{0,200}[!-~]$"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1000 else:
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1001 _vb_pattern = "^[ -~]{0,200}[!-~]$"
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1002 return re.match(_vb_pattern, s)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1003
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1004 # Invoke mainline
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1005 # ===============
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1006
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1007 # Call test() when this file is run as a script (not imported as a module)
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1008 if __name__ == '__main__':
978285986b2c fix: issue2551193 - Fix roundup for removal of cgi and cgitb ...
John Rouillard <rouilj@ieee.org>
parents:
diff changeset
1009 test()
Roundup Issue Tracker: http://roundup-tracker.org/