annotate Lib/ConfigParser.py @ 49987:54c19a1bbabd 2.6

Post-2.6.1 tweak
author Barry Warsaw <barry@python.org>
date Fri, 05 Dec 2008 05:03:06 +0000
parents a7bf503c857e
children 83228bbe5906 6b1b2e7a06e9
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1 """Configuration file parser.
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2
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3 A setup file consists of sections, lead by a "[section]" header,
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4 and followed by "name: value" entries, with continuations and such in
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5 the style of RFC 822.
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6
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7 The option values can contain format strings which refer to other values in
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8 the same section, or values in a special [DEFAULT] section.
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9
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10 For example:
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12 something: %(dir)s/whatever
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14 would resolve the "%(dir)s" to the value of dir. All reference
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15 expansions are done late, on demand.
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16
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17 Intrinsic defaults can be specified by passing them into the
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18 ConfigParser constructor as a dictionary.
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19
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20 class:
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21
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22 ConfigParser -- responsible for parsing a list of
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23 configuration files, and managing the parsed database.
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25 methods:
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26
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27 __init__(defaults=None)
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28 create the parser and specify a dictionary of intrinsic defaults. The
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29 keys must be strings, the values must be appropriate for %()s string
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30 interpolation. Note that `__name__' is always an intrinsic default;
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31 its value is the section's name.
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32
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33 sections()
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34 return all the configuration section names, sans DEFAULT
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35
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36 has_section(section)
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37 return whether the given section exists
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38
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39 has_option(section, option)
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40 return whether the given option exists in the given section
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41
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42 options(section)
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43 return list of configuration options for the named section
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44
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45 read(filenames)
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46 read and parse the list of named configuration files, given by
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47 name. A single filename is also allowed. Non-existing files
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48 are ignored. Return list of successfully read files.
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49
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50 readfp(fp, filename=None)
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51 read and parse one configuration file, given as a file object.
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52 The filename defaults to fp.name; it is only used in error
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53 messages (if fp has no `name' attribute, the string `<???>' is used).
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54
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55 get(section, option, raw=False, vars=None)
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56 return a string value for the named option. All % interpolations are
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57 expanded in the return values, based on the defaults passed into the
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58 constructor and the DEFAULT section. Additional substitutions may be
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59 provided using the `vars' argument, which must be a dictionary whose
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60 contents override any pre-existing defaults.
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61
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62 getint(section, options)
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63 like get(), but convert value to an integer
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64
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65 getfloat(section, options)
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66 like get(), but convert value to a float
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67
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68 getboolean(section, options)
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69 like get(), but convert value to a boolean (currently case
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70 insensitively defined as 0, false, no, off for False, and 1, true,
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71 yes, on for True). Returns False or True.
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72
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73 items(section, raw=False, vars=None)
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74 return a list of tuples with (name, value) for each option
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75 in the section.
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76
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77 remove_section(section)
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78 remove the given file section and all its options
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79
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80 remove_option(section, option)
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81 remove the given option from the given section
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82
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83 set(section, option, value)
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84 set the given option
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86 write(fp)
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87 write the configuration state in .ini format
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88 """
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89
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90 import re
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91
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92 __all__ = ["NoSectionError", "DuplicateSectionError", "NoOptionError",
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93 "InterpolationError", "InterpolationDepthError",
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94 "InterpolationSyntaxError", "ParsingError",
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95 "MissingSectionHeaderError",
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96 "ConfigParser", "SafeConfigParser", "RawConfigParser",
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97 "DEFAULTSECT", "MAX_INTERPOLATION_DEPTH"]
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98
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99 DEFAULTSECT = "DEFAULT"
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100
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101 MAX_INTERPOLATION_DEPTH = 10
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102
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103
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104
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105 # exception classes
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106 class Error(Exception):
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107 """Base class for ConfigParser exceptions."""
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108
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109 def _get_message(self):
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110 """Getter for 'message'; needed only to override deprecation in
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111 BaseException."""
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112 return self.__message
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113
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114 def _set_message(self, value):
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115 """Setter for 'message'; needed only to override deprecation in
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116 BaseException."""
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117 self.__message = value
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118
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119 # BaseException.message has been deprecated since Python 2.6. To prevent
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120 # DeprecationWarning from popping up over this pre-existing attribute, use
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121 # a new property that takes lookup precedence.
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122 message = property(_get_message, _set_message)
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123
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124 def __init__(self, msg=''):
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125 self.message = msg
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126 Exception.__init__(self, msg)
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127
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128 def __repr__(self):
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129 return self.message
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130
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131 __str__ = __repr__
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132
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133 class NoSectionError(Error):
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134 """Raised when no section matches a requested option."""
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135
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136 def __init__(self, section):
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137 Error.__init__(self, 'No section: %r' % (section,))
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138 self.section = section
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139
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140 class DuplicateSectionError(Error):
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141 """Raised when a section is multiply-created."""
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142
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143 def __init__(self, section):
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144 Error.__init__(self, "Section %r already exists" % section)
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145 self.section = section
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146
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147 class NoOptionError(Error):
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148 """A requested option was not found."""
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149
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150 def __init__(self, option, section):
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151 Error.__init__(self, "No option %r in section: %r" %
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152 (option, section))
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153 self.option = option
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154 self.section = section
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155
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156 class InterpolationError(Error):
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157 """Base class for interpolation-related exceptions."""
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158
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159 def __init__(self, option, section, msg):
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160 Error.__init__(self, msg)
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161 self.option = option
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162 self.section = section
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163
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164 class InterpolationMissingOptionError(InterpolationError):
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165 """A string substitution required a setting which was not available."""
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166
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167 def __init__(self, option, section, rawval, reference):
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168 msg = ("Bad value substitution:\n"
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169 "\tsection: [%s]\n"
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170 "\toption : %s\n"
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171 "\tkey : %s\n"
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172 "\trawval : %s\n"
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173 % (section, option, reference, rawval))
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174 InterpolationError.__init__(self, option, section, msg)
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175 self.reference = reference
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176
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177 class InterpolationSyntaxError(InterpolationError):
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178 """Raised when the source text into which substitutions are made
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179 does not conform to the required syntax."""
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180
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181 class InterpolationDepthError(InterpolationError):
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182 """Raised when substitutions are nested too deeply."""
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183
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184 def __init__(self, option, section, rawval):
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185 msg = ("Value interpolation too deeply recursive:\n"
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186 "\tsection: [%s]\n"
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187 "\toption : %s\n"
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188 "\trawval : %s\n"
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189 % (section, option, rawval))
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190 InterpolationError.__init__(self, option, section, msg)
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191
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192 class ParsingError(Error):
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193 """Raised when a configuration file does not follow legal syntax."""
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194
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195 def __init__(self, filename):
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196 Error.__init__(self, 'File contains parsing errors: %s' % filename)
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197 self.filename = filename
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198 self.errors = []
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199
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200 def append(self, lineno, line):
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201 self.errors.append((lineno, line))
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202 self.message += '\n\t[line %2d]: %s' % (lineno, line)
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203
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204 class MissingSectionHeaderError(ParsingError):
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205 """Raised when a key-value pair is found before any section header."""
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206
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207 def __init__(self, filename, lineno, line):
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208 Error.__init__(
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209 self,
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210 'File contains no section headers.\nfile: %s, line: %d\n%r' %
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211 (filename, lineno, line))
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212 self.filename = filename
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213 self.lineno = lineno
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214 self.line = line
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215
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216
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217 class RawConfigParser:
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218 def __init__(self, defaults=None, dict_type=dict):
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219 self._dict = dict_type
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220 self._sections = self._dict()
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221 self._defaults = self._dict()
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222 if defaults:
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223 for key, value in defaults.items():
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224 self._defaults[self.optionxform(key)] = value
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225
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226 def defaults(self):
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227 return self._defaults
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228
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229 def sections(self):
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230 """Return a list of section names, excluding [DEFAULT]"""
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231 # self._sections will never have [DEFAULT] in it
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232 return self._sections.keys()
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233
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234 def add_section(self, section):
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235 """Create a new section in the configuration.
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236
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237 Raise DuplicateSectionError if a section by the specified name
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238 already exists. Raise ValueError if name is DEFAULT or any of it's
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239 case-insensitive variants.
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240 """
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241 if section.lower() == "default":
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242 raise ValueError, 'Invalid section name: %s' % section
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243
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244 if section in self._sections:
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245 raise DuplicateSectionError(section)
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246 self._sections[section] = self._dict()
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247
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248 def has_section(self, section):
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249 """Indicate whether the named section is present in the configuration.
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250
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251 The DEFAULT section is not acknowledged.
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252 """
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253 return section in self._sections
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254
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255 def options(self, section):
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256 """Return a list of option names for the given section name."""
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257 try:
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258 opts = self._sections[section].copy()
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259 except KeyError:
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260 raise NoSectionError(section)
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261 opts.update(self._defaults)
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262 if '__name__' in opts:
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263 del opts['__name__']
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264 return opts.keys()
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265
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266 def read(self, filenames):
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267 """Read and parse a filename or a list of filenames.
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268
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269 Files that cannot be opened are silently ignored; this is
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270 designed so that you can specify a list of potential
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271 configuration file locations (e.g. current directory, user's
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diff changeset
272 home directory, systemwide directory), and all existing
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
273 configuration files in the list will be read. A single
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
274 filename may also be given.
32117
29a59f662dd1 ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 32115
diff changeset
275
29a59f662dd1 ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 32115
diff changeset
276 Return list of successfully read files.
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
277 """
23645
e1e90b0f1f45 Remove uses of the string and types modules:
Walter Dörwald <walter@livinglogic.de>
parents: 23620
diff changeset
278 if isinstance(filenames, basestring):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
279 filenames = [filenames]
32117
29a59f662dd1 ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 32115
diff changeset
280 read_ok = []
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
281 for filename in filenames:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
282 try:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
283 fp = open(filename)
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
284 except IOError:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
285 continue
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
286 self._read(fp, filename)
11368
b9bbe88d9554 ConfigParser.read(): Don't mask IOError exceptions.
Fred Drake <fdrake@acm.org>
parents: 11007
diff changeset
287 fp.close()
32117
29a59f662dd1 ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 32115
diff changeset
288 read_ok.append(filename)
29a59f662dd1 ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 32115
diff changeset
289 return read_ok
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
290
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
291 def readfp(self, fp, filename=None):
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
292 """Like read() but the argument must be a file-like object.
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
293
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
294 The `fp' argument must have a `readline' method. Optional
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
295 second argument is the `filename', which if not given, is
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
296 taken from fp.name. If fp has no `name' attribute, `<???>' is
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
297 used.
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
298
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
299 """
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
300 if filename is None:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
301 try:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
302 filename = fp.name
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
303 except AttributeError:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
304 filename = '<???>'
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
305 self._read(fp, filename)
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
306
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
307 def get(self, section, option):
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
308 opt = self.optionxform(option)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
309 if section not in self._sections:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
310 if section != DEFAULTSECT:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
311 raise NoSectionError(section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
312 if opt in self._defaults:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
313 return self._defaults[opt]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
314 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
315 raise NoOptionError(option, section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
316 elif opt in self._sections[section]:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
317 return self._sections[section][opt]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
318 elif opt in self._defaults:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
319 return self._defaults[opt]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
320 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
321 raise NoOptionError(option, section)
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
322
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
323 def items(self, section):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
324 try:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
325 d2 = self._sections[section]
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
326 except KeyError:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
327 if section != DEFAULTSECT:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
328 raise NoSectionError(section)
40418
3ee9d1a36d46 Patch #1371075: Make ConfigParser accept optional dict type
Martin v. Löwis <martin@v.loewis.de>
parents: 35276
diff changeset
329 d2 = self._dict()
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
330 d = self._defaults.copy()
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
331 d.update(d2)
25916
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
332 if "__name__" in d:
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
333 del d["__name__"]
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
334 return d.items()
25461
09551c6da299 items(): New method, provided by Gustavo Niemeyer in SF bug #545096.
Fred Drake <fdrake@acm.org>
parents: 25459
diff changeset
335
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
336 def _get(self, section, conv, option):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
337 return conv(self.get(section, option))
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
338
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
339 def getint(self, section, option):
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
340 return self._get(section, int, option)
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
341
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
342 def getfloat(self, section, option):
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
343 return self._get(section, float, option)
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
344
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
345 _boolean_states = {'1': True, 'yes': True, 'true': True, 'on': True,
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
346 '0': False, 'no': False, 'false': False, 'off': False}
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
347
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
348 def getboolean(self, section, option):
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 20261
diff changeset
349 v = self.get(section, option)
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
350 if v.lower() not in self._boolean_states:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
351 raise ValueError, 'Not a boolean: %s' % v
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
352 return self._boolean_states[v.lower()]
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
353
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
354 def optionxform(self, optionstr):
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
355 return optionstr.lower()
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
356
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
357 def has_option(self, section, option):
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
358 """Check for the existence of a given option in a given section."""
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
359 if not section or section == DEFAULTSECT:
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
360 option = self.optionxform(option)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
361 return option in self._defaults
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
362 elif section not in self._sections:
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
363 return False
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
364 else:
16771
b235160f1346 Make sure ConfigParser uses .optionxform() consistently; this affects
Fred Drake <fdrake@acm.org>
parents: 16594
diff changeset
365 option = self.optionxform(option)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
366 return (option in self._sections[section]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
367 or option in self._defaults)
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
368
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
369 def set(self, section, option, value):
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
370 """Set an option."""
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
371 if not section or section == DEFAULTSECT:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
372 sectdict = self._defaults
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
373 else:
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
374 try:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
375 sectdict = self._sections[section]
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
376 except KeyError:
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
377 raise NoSectionError(section)
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
378 sectdict[self.optionxform(option)] = value
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
379
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
380 def write(self, fp):
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
381 """Write an .ini-format representation of the configuration state."""
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
382 if self._defaults:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
383 fp.write("[%s]\n" % DEFAULTSECT)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
384 for (key, value) in self._defaults.items():
22294
c6c1a5fbb6c1 I presume this should go here.
Michael W. Hudson <mwh@python.net>
parents: 20547
diff changeset
385 fp.write("%s = %s\n" % (key, str(value).replace('\n', '\n\t')))
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
386 fp.write("\n")
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
387 for section in self._sections:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
388 fp.write("[%s]\n" % section)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
389 for (key, value) in self._sections[section].items():
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
390 if key != "__name__":
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
391 fp.write("%s = %s\n" %
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
392 (key, str(value).replace('\n', '\n\t')))
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
393 fp.write("\n")
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
394
13650
3d6d218b673d Small fixes by Petru Paler (patch #100946) checked in with esr's approval.
Thomas Wouters <thomas@python.org>
parents: 13600
diff changeset
395 def remove_option(self, section, option):
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
396 """Remove an option."""
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
397 if not section or section == DEFAULTSECT:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
398 sectdict = self._defaults
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
399 else:
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
400 try:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
401 sectdict = self._sections[section]
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
402 except KeyError:
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
403 raise NoSectionError(section)
16771
b235160f1346 Make sure ConfigParser uses .optionxform() consistently; this affects
Fred Drake <fdrake@acm.org>
parents: 16594
diff changeset
404 option = self.optionxform(option)
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23611
diff changeset
405 existed = option in sectdict
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
406 if existed:
15479
e98964bc2681 remove_option(): Use the right variable name for the option name!
Fred Drake <fdrake@acm.org>
parents: 14899
diff changeset
407 del sectdict[option]
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
408 return existed
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
409
13650
3d6d218b673d Small fixes by Petru Paler (patch #100946) checked in with esr's approval.
Thomas Wouters <thomas@python.org>
parents: 13600
diff changeset
410 def remove_section(self, section):
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
411 """Remove a file section."""
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
412 existed = section in self._sections
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
413 if existed:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
414 del self._sections[section]
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
415 return existed
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
416
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
417 #
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
418 # Regular expressions for parsing section headers and options.
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
419 #
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
420 SECTCRE = re.compile(
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
421 r'\[' # [
16594
9ef978c6f039 Be much more permissive in what we accept in section names; there has been
Fred Drake <fdrake@acm.org>
parents: 16575
diff changeset
422 r'(?P<header>[^]]+)' # very permissive!
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
423 r'\]' # ]
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
424 )
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
425 OPTCRE = re.compile(
25462
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
426 r'(?P<option>[^:=\s][^:=]*)' # very permissive!
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
427 r'\s*(?P<vi>[:=])\s*' # any number of space/tab,
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
428 # followed by separator
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
429 # (either : or =), followed
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
430 # by any # space/tab
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
431 r'(?P<value>.*)$' # everything up to eol
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
432 )
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
433
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
434 def _read(self, fp, fpname):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
435 """Parse a sectioned setup file.
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
436
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
437 The sections in setup file contains a title line at the top,
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
438 indicated by a name in square brackets (`[]'), plus key/value
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
439 options lines, indicated by `name: value' format lines.
26078
53a3823448d9 Fix docstring typos
Andrew M. Kuchling <amk@amk.ca>
parents: 25918
diff changeset
440 Continuations are represented by an embedded newline then
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
441 leading whitespace. Blank lines, lines beginning with a '#',
26078
53a3823448d9 Fix docstring typos
Andrew M. Kuchling <amk@amk.ca>
parents: 25918
diff changeset
442 and just about everything else are ignored.
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
443 """
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
444 cursect = None # None, or a dictionary
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
445 optname = None
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
446 lineno = 0
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
447 e = None # None, or an exception
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
448 while True:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
449 line = fp.readline()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
450 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
451 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
452 lineno = lineno + 1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
453 # comment or blank line?
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
454 if line.strip() == '' or line[0] in '#;':
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
455 continue
25462
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
456 if line.split(None, 1)[0].lower() == 'rem' and line[0] in "rR":
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
457 # no leading whitespace
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
458 continue
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
459 # continuation line?
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
460 if line[0].isspace() and cursect is not None and optname:
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
461 value = line.strip()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
462 if value:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
463 cursect[optname] = "%s\n%s" % (cursect[optname], value)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
464 # a section header or option header?
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
465 else:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
466 # is it a section header?
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
467 mo = self.SECTCRE.match(line)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
468 if mo:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
469 sectname = mo.group('header')
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
470 if sectname in self._sections:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
471 cursect = self._sections[sectname]
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
472 elif sectname == DEFAULTSECT:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
473 cursect = self._defaults
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
474 else:
40418
3ee9d1a36d46 Patch #1371075: Make ConfigParser accept optional dict type
Martin v. Löwis <martin@v.loewis.de>
parents: 35276
diff changeset
475 cursect = self._dict()
3ee9d1a36d46 Patch #1371075: Make ConfigParser accept optional dict type
Martin v. Löwis <martin@v.loewis.de>
parents: 35276
diff changeset
476 cursect['__name__'] = sectname
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
477 self._sections[sectname] = cursect
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
478 # So sections can't start with a continuation line
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
479 optname = None
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
480 # no section header in the file?
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
481 elif cursect is None:
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 30734
diff changeset
482 raise MissingSectionHeaderError(fpname, lineno, line)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
483 # an option line?
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
484 else:
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
485 mo = self.OPTCRE.match(line)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
486 if mo:
11873
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
487 optname, vi, optval = mo.group('option', 'vi', 'value')
11908
b975a056deb6 allow comments beginning with ; in key: value as well as key = value
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11875
diff changeset
488 if vi in ('=', ':') and ';' in optval:
11873
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
489 # ';' is a comment delimiter only if it follows
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
490 # a spacing character
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
491 pos = optval.find(';')
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
492 if pos != -1 and optval[pos-1].isspace():
11873
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
493 optval = optval[:pos]
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
494 optval = optval.strip()
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
495 # allow empty values
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
496 if optval == '""':
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
497 optval = ''
25462
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
498 optname = self.optionxform(optname.rstrip())
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
499 cursect[optname] = optval
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
500 else:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
501 # a non-fatal parsing error occurred. set up the
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
502 # exception but keep going. the exception will be
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
503 # raised at the end of the file and will contain a
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
504 # list of all bogus lines
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
505 if not e:
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
506 e = ParsingError(fpname)
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 30734
diff changeset
507 e.append(lineno, repr(line))
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
508 # if any parsing errors occurred, raise an exception
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
509 if e:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
510 raise e
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
511
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
512
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
513 class ConfigParser(RawConfigParser):
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
514
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
515 def get(self, section, option, raw=False, vars=None):
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
516 """Get an option value for a given section.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
517
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
518 All % interpolations are expanded in the return values, based on the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
519 defaults passed into the constructor, unless the optional argument
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
520 `raw' is true. Additional substitutions may be provided using the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
521 `vars' argument, which must be a dictionary whose contents overrides
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
522 any pre-existing defaults.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
523
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
524 The section DEFAULT is special.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
525 """
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
526 d = self._defaults.copy()
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
527 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
528 d.update(self._sections[section])
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
529 except KeyError:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
530 if section != DEFAULTSECT:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
531 raise NoSectionError(section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
532 # Update with the entry specific variables
33662
cc4684051c46 SF bug #1017864: ConfigParser now correctly handles default keys, processing them with ``ConfigParser.optionxform`` when supplied, consistent with the handling of config file entries and runtime-set options.
David Goodger <goodger@python.org>
parents: 32117
diff changeset
533 if vars:
cc4684051c46 SF bug #1017864: ConfigParser now correctly handles default keys, processing them with ``ConfigParser.optionxform`` when supplied, consistent with the handling of config file entries and runtime-set options.
David Goodger <goodger@python.org>
parents: 32117
diff changeset
534 for key, value in vars.items():
cc4684051c46 SF bug #1017864: ConfigParser now correctly handles default keys, processing them with ``ConfigParser.optionxform`` when supplied, consistent with the handling of config file entries and runtime-set options.
David Goodger <goodger@python.org>
parents: 32117
diff changeset
535 d[self.optionxform(key)] = value
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
536 option = self.optionxform(option)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
537 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
538 value = d[option]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
539 except KeyError:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
540 raise NoOptionError(option, section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
541
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
542 if raw:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
543 return value
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
544 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
545 return self._interpolate(section, option, value, d)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
546
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
547 def items(self, section, raw=False, vars=None):
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
548 """Return a list of tuples with (name, value) for each option
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
549 in the section.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
550
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
551 All % interpolations are expanded in the return values, based on the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
552 defaults passed into the constructor, unless the optional argument
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
553 `raw' is true. Additional substitutions may be provided using the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
554 `vars' argument, which must be a dictionary whose contents overrides
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
555 any pre-existing defaults.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
556
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
557 The section DEFAULT is special.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
558 """
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
559 d = self._defaults.copy()
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
560 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
561 d.update(self._sections[section])
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
562 except KeyError:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
563 if section != DEFAULTSECT:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
564 raise NoSectionError(section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
565 # Update with the entry specific variables
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
566 if vars:
33662
cc4684051c46 SF bug #1017864: ConfigParser now correctly handles default keys, processing them with ``ConfigParser.optionxform`` when supplied, consistent with the handling of config file entries and runtime-set options.
David Goodger <goodger@python.org>
parents: 32117
diff changeset
567 for key, value in vars.items():
cc4684051c46 SF bug #1017864: ConfigParser now correctly handles default keys, processing them with ``ConfigParser.optionxform`` when supplied, consistent with the handling of config file entries and runtime-set options.
David Goodger <goodger@python.org>
parents: 32117
diff changeset
568 d[self.optionxform(key)] = value
25916
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
569 options = d.keys()
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
570 if "__name__" in options:
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
571 options.remove("__name__")
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
572 if raw:
30734
916f782ed6d5 Make both items() methods return lists; one had changed to return an
Fred Drake <fdrake@acm.org>
parents: 30723
diff changeset
573 return [(option, d[option])
916f782ed6d5 Make both items() methods return lists; one had changed to return an
Fred Drake <fdrake@acm.org>
parents: 30723
diff changeset
574 for option in options]
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
575 else:
30734
916f782ed6d5 Make both items() methods return lists; one had changed to return an
Fred Drake <fdrake@acm.org>
parents: 30723
diff changeset
576 return [(option, self._interpolate(section, option, d[option], d))
916f782ed6d5 Make both items() methods return lists; one had changed to return an
Fred Drake <fdrake@acm.org>
parents: 30723
diff changeset
577 for option in options]
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
578
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
579 def _interpolate(self, section, option, rawval, vars):
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
580 # do the string interpolation
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
581 value = rawval
26126
98f3fd1ed42f Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 26078
diff changeset
582 depth = MAX_INTERPOLATION_DEPTH
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
583 while depth: # Loop through this until it's done
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
584 depth -= 1
31967
3d046d063a84 Replace str.find()!=1 with the more readable "in" operator.
Raymond Hettinger <python@rcn.com>
parents: 31515
diff changeset
585 if "%(" in value:
32114
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
586 value = self._KEYCRE.sub(self._interpolation_replace, value)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
587 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
588 value = value % vars
26927
33dcf4fd0ff9 ConfigParser._interpolate(): Pass the missing key to the
Fred Drake <fdrake@acm.org>
parents: 26909
diff changeset
589 except KeyError, e:
26969
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
590 raise InterpolationMissingOptionError(
48135
a7bf503c857e Remove a __getitem__() removal on an exception to silence a warning triggered
Brett Cannon <bcannon@gmail.com>
parents: 47252
diff changeset
591 option, section, rawval, e.args[0])
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
592 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
593 break
31967
3d046d063a84 Replace str.find()!=1 with the more readable "in" operator.
Raymond Hettinger <python@rcn.com>
parents: 31515
diff changeset
594 if "%(" in value:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
595 raise InterpolationDepthError(option, section, rawval)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
596 return value
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
597
32114
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
598 _KEYCRE = re.compile(r"%\(([^)]*)\)s|.")
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
599
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
600 def _interpolation_replace(self, match):
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
601 s = match.group(1)
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
602 if s is None:
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
603 return match.group()
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
604 else:
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
605 return "%%(%s)s" % self.optionxform(s)
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
606
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
607
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
608 class SafeConfigParser(ConfigParser):
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
609
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
610 def _interpolate(self, section, option, rawval, vars):
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
611 # do the string interpolation
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
612 L = []
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
613 self._interpolate_some(option, L, rawval, section, vars, 1)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
614 return ''.join(L)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
615
41157
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
616 _interpvar_re = re.compile(r"%\(([^)]+)\)s")
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
617 _badpercent_re = re.compile(r"%[^%]|%$")
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
618
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
619 def _interpolate_some(self, option, accum, rest, section, map, depth):
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
620 if depth > MAX_INTERPOLATION_DEPTH:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
621 raise InterpolationDepthError(option, section, rest)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
622 while rest:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
623 p = rest.find("%")
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
624 if p < 0:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
625 accum.append(rest)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
626 return
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
627 if p > 0:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
628 accum.append(rest[:p])
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
629 rest = rest[p:]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
630 # p is no longer used
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
631 c = rest[1:2]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
632 if c == "%":
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
633 accum.append("%")
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
634 rest = rest[2:]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
635 elif c == "(":
41157
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
636 m = self._interpvar_re.match(rest)
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
637 if m is None:
29661
79303de9a05a Fix arguments for instantiating InterpolationSyntaxError
Neal Norwitz <nnorwitz@gmail.com>
parents: 26969
diff changeset
638 raise InterpolationSyntaxError(option, section,
79303de9a05a Fix arguments for instantiating InterpolationSyntaxError
Neal Norwitz <nnorwitz@gmail.com>
parents: 26969
diff changeset
639 "bad interpolation variable reference %r" % rest)
32114
70023af2085a ConfigParser:
Fred Drake <fdrake@acm.org>
parents: 31967
diff changeset
640 var = self.optionxform(m.group(1))
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
641 rest = rest[m.end():]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
642 try:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
643 v = map[var]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
644 except KeyError:
26969
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
645 raise InterpolationMissingOptionError(
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
646 option, section, rest, var)
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
647 if "%" in v:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
648 self._interpolate_some(option, accum, v,
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
649 section, map, depth + 1)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
650 else:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
651 accum.append(v)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
652 else:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
653 raise InterpolationSyntaxError(
29661
79303de9a05a Fix arguments for instantiating InterpolationSyntaxError
Neal Norwitz <nnorwitz@gmail.com>
parents: 26969
diff changeset
654 option, section,
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 30734
diff changeset
655 "'%%' must be followed by '%%' or '(', found: %r" % (rest,))
33663
5412096d0f95 SF bug #997050: Document, test, & check for non-string values in ConfigParser. Moved the new string-only restriction added in rev. 1.65 to the SafeConfigParser class, leaving existing ConfigParser & RawConfigParser behavior alone, and documented the conditions under which non-string values work.
David Goodger <goodger@python.org>
parents: 33662
diff changeset
656
5412096d0f95 SF bug #997050: Document, test, & check for non-string values in ConfigParser. Moved the new string-only restriction added in rev. 1.65 to the SafeConfigParser class, leaving existing ConfigParser & RawConfigParser behavior alone, and documented the conditions under which non-string values work.
David Goodger <goodger@python.org>
parents: 33662
diff changeset
657 def set(self, section, option, value):
5412096d0f95 SF bug #997050: Document, test, & check for non-string values in ConfigParser. Moved the new string-only restriction added in rev. 1.65 to the SafeConfigParser class, leaving existing ConfigParser & RawConfigParser behavior alone, and documented the conditions under which non-string values work.
David Goodger <goodger@python.org>
parents: 33662
diff changeset
658 """Set an option. Extend ConfigParser.set: check for string values."""
5412096d0f95 SF bug #997050: Document, test, & check for non-string values in ConfigParser. Moved the new string-only restriction added in rev. 1.65 to the SafeConfigParser class, leaving existing ConfigParser & RawConfigParser behavior alone, and documented the conditions under which non-string values work.
David Goodger <goodger@python.org>
parents: 33662
diff changeset
659 if not isinstance(value, basestring):
5412096d0f95 SF bug #997050: Document, test, & check for non-string values in ConfigParser. Moved the new string-only restriction added in rev. 1.65 to the SafeConfigParser class, leaving existing ConfigParser & RawConfigParser behavior alone, and documented the conditions under which non-string values work.
David Goodger <goodger@python.org>
parents: 33662
diff changeset
660 raise TypeError("option values must be strings")
41157
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
661 # check for bad percent signs:
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
662 # first, replace all "good" interpolations
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
663 tmp_value = self._interpvar_re.sub('', value)
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
664 # then, check if there's a lone percent sign left
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
665 m = self._badpercent_re.search(tmp_value)
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
666 if m:
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
667 raise ValueError("invalid interpolation syntax in %r at "
53ee2795287b Patch #1603688: ConfigParser.SafeConfigParser now checks values that
Georg Brandl <georg@python.org>
parents: 40418
diff changeset
668 "position %d" % (value, m.start()))
33663
5412096d0f95 SF bug #997050: Document, test, & check for non-string values in ConfigParser. Moved the new string-only restriction added in rev. 1.65 to the SafeConfigParser class, leaving existing ConfigParser & RawConfigParser behavior alone, and documented the conditions under which non-string values work.
David Goodger <goodger@python.org>
parents: 33662
diff changeset
669 ConfigParser.set(self, section, option, value)