diff -r 5ff1fc726848 -r c6bca38c1cbf eggs/py-1.4.0-py2.6.egg/py/_iniconfig.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/eggs/py-1.4.0-py2.6.egg/py/_iniconfig.py Sat Jan 08 11:20:57 2011 +0530 @@ -0,0 +1,149 @@ +""" brain-dead simple parser for ini-style files. +(C) Ronny Pfannschmidt, Holger Krekel -- MIT licensed +""" +__version__ = "0.2.dev2" + +__all__ = ['IniConfig', 'ParseError'] + +class ParseError(Exception): + def __init__(self, path, lineno, msg): + Exception.__init__(self, path, lineno, msg) + self.path = path + self.lineno = lineno + self.msg = msg + + def __str__(self): + return "%s:%s: %s" %(self.path, self.lineno+1, self.msg) + +class SectionWrapper(object): + def __init__(self, config, name): + self.config = config + self.name = name + + def lineof(self, name): + return self.config.lineof(self.name, name) + + def get(self, key, default=None, convert=str): + return self.config.get(self.name, key, convert=convert, default=default) + + def __getitem__(self, key): + return self.config.sections[self.name][key] + + def __iter__(self): + section = self.config.sections.get(self.name, []) + def lineof(key): + return self.config.lineof(self.name, key) + for name in sorted(section, key=lineof): + yield name + + def items(self): + for name in self: + yield name, self[name] + + +class IniConfig(object): + def __init__(self, path, data=None): + self.path = str(path) # convenience + if data is None: + f = open(self.path) + try: + tokens = self._parse(iter(f)) + finally: + f.close() + else: + tokens = self._parse(data.splitlines(True)) + + self._sources = {} + self.sections = {} + + for lineno, section, name, value in tokens: + if section is None: + self._raise(lineno, 'no section header defined') + self._sources[section, name] = lineno + if name is None: + if section in self.sections: + self._raise(lineno, 'duplicate section %r'%(section, )) + self.sections[section] = {} + else: + if name in self.sections[section]: + self._raise(lineno, 'duplicate name %r'%(name, )) + self.sections[section][name] = value + + def _raise(self, lineno, msg): + raise ParseError(self.path, lineno, msg) + + def _parse(self, line_iter): + result = [] + section = None + for lineno, line in enumerate(line_iter): + name, data = self._parseline(line, lineno) + # new value + if name is not None and data is not None: + result.append((lineno, section, name, data)) + # new section + elif name is not None and data is None: + if not name: + self._raise(lineno, 'empty section name') + section = name + result.append((lineno, section, None, None)) + # continuation + elif name is None and data is not None: + if not result: + self._raise(lineno, 'unexpected value continuation') + last = result.pop() + last_name, last_data = last[-2:] + if last_name is None: + self._raise(lineno, 'unexpected value continuation') + + if last_data: + data = '%s\n%s' % (last_data, data) + result.append(last[:-1] + (data,)) + return result + + def _parseline(self, line, lineno): + # comments + line = line.split('#')[0].rstrip() + # blank lines + if not line: + return None, None + # section + if line[0] == '[' and line[-1] == ']': + return line[1:-1], None + # value + elif not line[0].isspace(): + try: + name, value = line.split('=', 1) + if ": " in name: + raise ValueError() + except ValueError: + try: + name, value = line.split(": ", 1) + except ValueError: + self._raise(lineno, 'unexpected line: %r' % line) + return name.strip(), value.strip() + # continuation + else: + return None, line.strip() + + def lineof(self, section, name=None): + lineno = self._sources.get((section, name)) + if lineno is not None: + return lineno + 1 + + def get(self, section, name, default=None, convert=str): + try: + return convert(self.sections[section][name]) + except KeyError: + return default + + def __getitem__(self, name): + if name not in self.sections: + raise KeyError(name) + return SectionWrapper(self, name) + + def __iter__(self): + for name in sorted(self.sections, key=self.lineof): + yield SectionWrapper(self, name) + + def __contains__(self, arg): + return arg in self.sections