diff options
Diffstat (limited to 'Lib/ConfigParser.py')
| -rw-r--r-- | Lib/ConfigParser.py | 236 |
1 files changed, 133 insertions, 103 deletions
diff --git a/Lib/ConfigParser.py b/Lib/ConfigParser.py index 842a576..5e796c8 100644 --- a/Lib/ConfigParser.py +++ b/Lib/ConfigParser.py @@ -172,21 +172,21 @@ class MissingSectionHeaderError(ParsingError): -class ConfigParser: +class RawConfigParser: def __init__(self, defaults=None): - self.__sections = {} + self._sections = {} if defaults is None: - self.__defaults = {} + self._defaults = {} else: - self.__defaults = defaults + self._defaults = defaults def defaults(self): - return self.__defaults + return self._defaults def sections(self): """Return a list of section names, excluding [DEFAULT]""" - # self.__sections will never have [DEFAULT] in it - return self.__sections.keys() + # self._sections will never have [DEFAULT] in it + return self._sections.keys() def add_section(self, section): """Create a new section in the configuration. @@ -194,24 +194,24 @@ class ConfigParser: Raise DuplicateSectionError if a section by the specified name already exists. """ - if section in self.__sections: + if section in self._sections: raise DuplicateSectionError(section) - self.__sections[section] = {} + self._sections[section] = {} def has_section(self, section): """Indicate whether the named section is present in the configuration. The DEFAULT section is not acknowledged. """ - return section in self.__sections + return section in self._sections def options(self, section): """Return a list of option names for the given section name.""" try: - opts = self.__sections[section].copy() + opts = self._sections[section].copy() except KeyError: raise NoSectionError(section) - opts.update(self.__defaults) + opts.update(self._defaults) if '__name__' in opts: del opts['__name__'] return opts.keys() @@ -233,7 +233,7 @@ class ConfigParser: fp = open(filename) except IOError: continue - self.__read(fp, filename) + self._read(fp, filename) fp.close() def readfp(self, fp, filename=None): @@ -250,92 +250,42 @@ class ConfigParser: filename = fp.name except AttributeError: filename = '<???>' - self.__read(fp, filename) + self._read(fp, filename) - def get(self, section, option, raw=0, vars=None): - """Get an option value for a given section. - - All % interpolations are expanded in the return values, based on the - defaults passed into the constructor, unless the optional argument - `raw' is true. Additional substitutions may be provided using the - `vars' argument, which must be a dictionary whose contents overrides - any pre-existing defaults. - - The section DEFAULT is special. - """ - d = self.__defaults.copy() - try: - d.update(self.__sections[section]) - except KeyError: + def get(self, section, option): + opt = self.optionxform(option) + if section not in self._sections: if section != DEFAULTSECT: raise NoSectionError(section) - # Update with the entry specific variables - if vars is not None: - d.update(vars) - option = self.optionxform(option) - try: - value = d[option] - except KeyError: + if opt in self._defaults: + return self._defaults[opt] + else: + raise NoOptionError(option, section) + elif opt in self._sections[section]: + return self._sections[section][opt] + elif opt in self._defaults: + return self._defaults[opt] + else: raise NoOptionError(option, section) - if raw: - return value - return self._interpolate(section, option, value, d) - - def items(self, section, raw=0, vars=None): - """Return a list of tuples with (name, value) for each option - in the section. - - All % interpolations are expanded in the return values, based on the - defaults passed into the constructor, unless the optional argument - `raw' is true. Additional substitutions may be provided using the - `vars' argument, which must be a dictionary whose contents overrides - any pre-existing defaults. - - The section DEFAULT is special. - """ - d = self.__defaults.copy() + def items(self, section): try: - d.update(self.__sections[section]) + d2 = self._sections[section] except KeyError: if section != DEFAULTSECT: raise NoSectionError(section) - # Update with the entry specific variables - if vars: - d.update(vars) - if raw: - for option in self.options(section): - yield (option, d[option]) - else: - for option in self.options(section): - yield (option, - self._interpolate(section, option, d[option], d)) - - def _interpolate(self, section, option, rawval, vars): - # do the string interpolation - value = rawval - depth = MAX_INTERPOLATION_DEPTH - while depth: # Loop through this until it's done - depth -= 1 - if value.find("%(") != -1: - try: - value = value % vars - except KeyError, key: - raise InterpolationError(key, option, section, rawval) - else: - break - if value.find("%(") != -1: - raise InterpolationDepthError(option, section, rawval) - return value + d = self._defaults.copy() + d.update(d2) + return d.items() - def __get(self, section, conv, option): + def _get(self, section, conv, option): return conv(self.get(section, option)) def getint(self, section, option): - return self.__get(section, int, option) + return self._get(section, int, option) def getfloat(self, section, option): - return self.__get(section, float, option) + return self._get(section, float, option) _boolean_states = {'1': True, 'yes': True, 'true': True, 'on': True, '0': False, 'no': False, 'false': False, 'off': False} @@ -353,35 +303,35 @@ class ConfigParser: """Check for the existence of a given option in a given section.""" if not section or section == DEFAULTSECT: option = self.optionxform(option) - return option in self.__defaults - elif section not in self.__sections: + return option in self._defaults + elif section not in self._sections: return 0 else: option = self.optionxform(option) - return (option in self.__sections[section] - or option in self.__defaults) + return (option in self._sections[section] + or option in self._defaults) def set(self, section, option, value): """Set an option.""" if not section or section == DEFAULTSECT: - sectdict = self.__defaults + sectdict = self._defaults else: try: - sectdict = self.__sections[section] + sectdict = self._sections[section] except KeyError: raise NoSectionError(section) sectdict[self.optionxform(option)] = value def write(self, fp): """Write an .ini-format representation of the configuration state.""" - if self.__defaults: + if self._defaults: fp.write("[%s]\n" % DEFAULTSECT) - for (key, value) in self.__defaults.items(): + for (key, value) in self._defaults.items(): fp.write("%s = %s\n" % (key, str(value).replace('\n', '\n\t'))) fp.write("\n") - for section in self.__sections: + for section in self._sections: fp.write("[%s]\n" % section) - for (key, value) in self.__sections[section].items(): + for (key, value) in self._sections[section].items(): if key != "__name__": fp.write("%s = %s\n" % (key, str(value).replace('\n', '\n\t'))) @@ -390,10 +340,10 @@ class ConfigParser: def remove_option(self, section, option): """Remove an option.""" if not section or section == DEFAULTSECT: - sectdict = self.__defaults + sectdict = self._defaults else: try: - sectdict = self.__sections[section] + sectdict = self._sections[section] except KeyError: raise NoSectionError(section) option = self.optionxform(option) @@ -404,9 +354,9 @@ class ConfigParser: def remove_section(self, section): """Remove a file section.""" - existed = section in self.__sections + existed = section in self._sections if existed: - del self.__sections[section] + del self._sections[section] return existed # @@ -426,7 +376,7 @@ class ConfigParser: r'(?P<value>.*)$' # everything up to eol ) - def __read(self, fp, fpname): + def _read(self, fp, fpname): """Parse a sectioned setup file. The sections in setup file contains a title line at the top, @@ -462,13 +412,13 @@ class ConfigParser: mo = self.SECTCRE.match(line) if mo: sectname = mo.group('header') - if sectname in self.__sections: - cursect = self.__sections[sectname] + if sectname in self._sections: + cursect = self._sections[sectname] elif sectname == DEFAULTSECT: - cursect = self.__defaults + cursect = self._defaults else: cursect = {'__name__': sectname} - self.__sections[sectname] = cursect + self._sections[sectname] = cursect # So sections can't start with a continuation line optname = None # no section header in the file? @@ -502,3 +452,83 @@ class ConfigParser: # if any parsing errors occurred, raise an exception if e: raise e + + +class ConfigParser(RawConfigParser): + + def get(self, section, option, raw=0, vars=None): + """Get an option value for a given section. + + All % interpolations are expanded in the return values, based on the + defaults passed into the constructor, unless the optional argument + `raw' is true. Additional substitutions may be provided using the + `vars' argument, which must be a dictionary whose contents overrides + any pre-existing defaults. + + The section DEFAULT is special. + """ + d = self._defaults.copy() + try: + d.update(self._sections[section]) + except KeyError: + if section != DEFAULTSECT: + raise NoSectionError(section) + # Update with the entry specific variables + if vars is not None: + d.update(vars) + option = self.optionxform(option) + try: + value = d[option] + except KeyError: + raise NoOptionError(option, section) + + if raw: + return value + else: + return self._interpolate(section, option, value, d) + + def items(self, section, raw=0, vars=None): + """Return a list of tuples with (name, value) for each option + in the section. + + All % interpolations are expanded in the return values, based on the + defaults passed into the constructor, unless the optional argument + `raw' is true. Additional substitutions may be provided using the + `vars' argument, which must be a dictionary whose contents overrides + any pre-existing defaults. + + The section DEFAULT is special. + """ + d = self._defaults.copy() + try: + d.update(self._sections[section]) + except KeyError: + if section != DEFAULTSECT: + raise NoSectionError(section) + # Update with the entry specific variables + if vars: + d.update(vars) + if raw: + for option in self.options(section): + yield (option, d[option]) + else: + for option in self.options(section): + yield (option, + self._interpolate(section, option, d[option], d)) + + def _interpolate(self, section, option, rawval, vars): + # do the string interpolation + value = rawval + depth = MAX_INTERPOLATION_DEPTH + while depth: # Loop through this until it's done + depth -= 1 + if value.find("%(") != -1: + try: + value = value % vars + except KeyError, key: + raise InterpolationError(key, option, section, rawval) + else: + break + if value.find("%(") != -1: + raise InterpolationDepthError(option, section, rawval) + return value |