How to use optionxform method in toolium

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ConfigParser.py

Source:ConfigParser.py

...162        self._sections = self._dict()163        self._defaults = self._dict()164        if defaults:165            for key, value in defaults.items():166                self._defaults[self.optionxform(key)] = value167    def defaults(self):168        return self._defaults169    def sections(self):170        """Return a list of section names, excluding [DEFAULT]"""171        # self._sections will never have [DEFAULT] in it172        return self._sections.keys()173    def add_section(self, section):174        """Create a new section in the configuration.175        Raise DuplicateSectionError if a section by the specified name176        already exists. Raise ValueError if name is DEFAULT or any of it's177        case-insensitive variants.178        """179        if section.lower() == "default":180            raise ValueError, 'Invalid section name: %s' % section181        if section in self._sections:182            raise DuplicateSectionError(section)183        self._sections[section] = self._dict()184    def has_section(self, section):185        """Indicate whether the named section is present in the configuration.186        The DEFAULT section is not acknowledged.187        """188        return section in self._sections189    def options(self, section):190        """Return a list of option names for the given section name."""191        try:192            opts = self._sections[section].copy()193        except KeyError:194            raise NoSectionError(section)195        opts.update(self._defaults)196        if '__name__' in opts:197            del opts['__name__']198        return opts.keys()199    def read(self, filenames):200        """Read and parse a filename or a list of filenames.201        Files that cannot be opened are silently ignored; this is202        designed so that you can specify a list of potential203        configuration file locations (e.g. current directory, user's204        home directory, systemwide directory), and all existing205        configuration files in the list will be read.  A single206        filename may also be given.207        Return list of successfully read files.208        """209        if isinstance(filenames, basestring):210            filenames = [filenames]211        read_ok = []212        for filename in filenames:213            try:214                fp = open(filename)215            except IOError:216                continue217            self._read(fp, filename)218            fp.close()219            read_ok.append(filename)220        return read_ok221    def readfp(self, fp, filename=None):222        """Like read() but the argument must be a file-like object.223        The `fp' argument must have a `readline' method.  Optional224        second argument is the `filename', which if not given, is225        taken from fp.name.  If fp has no `name' attribute, `<???>' is226        used.227        """228        if filename is None:229            try:230                filename = fp.name231            except AttributeError:232                filename = '<???>'233        self._read(fp, filename)234    def get(self, section, option):235        opt = self.optionxform(option)236        if section not in self._sections:237            if section != DEFAULTSECT:238                raise NoSectionError(section)239            if opt in self._defaults:240                return self._defaults[opt]241            else:242                raise NoOptionError(option, section)243        elif opt in self._sections[section]:244            return self._sections[section][opt]245        elif opt in self._defaults:246            return self._defaults[opt]247        else:248            raise NoOptionError(option, section)249    def items(self, section):250        try:251            d2 = self._sections[section]252        except KeyError:253            if section != DEFAULTSECT:254                raise NoSectionError(section)255            d2 = self._dict()256        d = self._defaults.copy()257        d.update(d2)258        if "__name__" in d:259            del d["__name__"]260        return d.items()261    def _get(self, section, conv, option):262        return conv(self.get(section, option))263    def getint(self, section, option):264        return self._get(section, int, option)265    def getfloat(self, section, option):266        return self._get(section, float, option)267    _boolean_states = {'1': True, 'yes': True, 'true': True, 'on': True,268                       '0': False, 'no': False, 'false': False, 'off': False}269    def getboolean(self, section, option):270        v = self.get(section, option)271        if v.lower() not in self._boolean_states:272            raise ValueError, 'Not a boolean: %s' % v273        return self._boolean_states[v.lower()]274    def optionxform(self, optionstr):275        return optionstr.lower()276    def has_option(self, section, option):277        """Check for the existence of a given option in a given section."""278        if not section or section == DEFAULTSECT:279            option = self.optionxform(option)280            return option in self._defaults281        elif section not in self._sections:282            return False283        else:284            option = self.optionxform(option)285            return (option in self._sections[section]286                    or option in self._defaults)287    def set(self, section, option, value):288        """Set an option."""289        if not section or section == DEFAULTSECT:290            sectdict = self._defaults291        else:292            try:293                sectdict = self._sections[section]294            except KeyError:295                raise NoSectionError(section)296        sectdict[self.optionxform(option)] = value297    def write(self, fp):298        """Write an .ini-format representation of the configuration state."""299        if self._defaults:300            fp.write("[%s]\n" % DEFAULTSECT)301            for (key, value) in self._defaults.items():302                fp.write("%s = %s\n" % (key, str(value).replace('\n', '\n\t')))303            fp.write("\n")304        for section in self._sections:305            fp.write("[%s]\n" % section)306            for (key, value) in self._sections[section].items():307                if key != "__name__":308                    fp.write("%s = %s\n" %309                             (key, str(value).replace('\n', '\n\t')))310            fp.write("\n")311    def remove_option(self, section, option):312        """Remove an option."""313        if not section or section == DEFAULTSECT:314            sectdict = self._defaults315        else:316            try:317                sectdict = self._sections[section]318            except KeyError:319                raise NoSectionError(section)320        option = self.optionxform(option)321        existed = option in sectdict322        if existed:323            del sectdict[option]324        return existed325    def remove_section(self, section):326        """Remove a file section."""327        existed = section in self._sections328        if existed:329            del self._sections[section]330        return existed331    #332    # Regular expressions for parsing section headers and options.333    #334    SECTCRE = re.compile(335        r'\['                                 # [336        r'(?P<header>[^]]+)'                  # very permissive!337        r'\]'                                 # ]338        )339    OPTCRE = re.compile(340        r'(?P<option>[^:=\s][^:=]*)'          # very permissive!341        r'\s*(?P<vi>[:=])\s*'                 # any number of space/tab,342                                              # followed by separator343                                              # (either : or =), followed344                                              # by any # space/tab345        r'(?P<value>.*)$'                     # everything up to eol346        )347    def _read(self, fp, fpname):348        """Parse a sectioned setup file.349        The sections in setup file contains a title line at the top,350        indicated by a name in square brackets (`[]'), plus key/value351        options lines, indicated by `name: value' format lines.352        Continuations are represented by an embedded newline then353        leading whitespace.  Blank lines, lines beginning with a '#',354        and just about everything else are ignored.355        """356        cursect = None                            # None, or a dictionary357        optname = None358        lineno = 0359        e = None                                  # None, or an exception360        while True:361            line = fp.readline()362            if not line:363                break364            lineno = lineno + 1365            # comment or blank line?366            if line.strip() == '' or line[0] in '#;':367                continue368            if line.split(None, 1)[0].lower() == 'rem' and line[0] in "rR":369                # no leading whitespace370                continue371            # continuation line?372            if line[0].isspace() and cursect is not None and optname:373                value = line.strip()374                if value:375                    cursect[optname] = "%s\n%s" % (cursect[optname], value)376            # a section header or option header?377            else:378                # is it a section header?379                mo = self.SECTCRE.match(line)380                if mo:381                    sectname = mo.group('header')382                    if sectname in self._sections:383                        cursect = self._sections[sectname]384                    elif sectname == DEFAULTSECT:385                        cursect = self._defaults386                    else:387                        cursect = self._dict()388                        cursect['__name__'] = sectname389                        self._sections[sectname] = cursect390                    # So sections can't start with a continuation line391                    optname = None392                # no section header in the file?393                elif cursect is None:394                    raise MissingSectionHeaderError(fpname, lineno, line)395                # an option line?396                else:397                    mo = self.OPTCRE.match(line)398                    if mo:399                        optname, vi, optval = mo.group('option', 'vi', 'value')400                        if vi in ('=', ':') and ';' in optval:401                            # ';' is a comment delimiter only if it follows402                            # a spacing character403                            pos = optval.find(';')404                            if pos != -1 and optval[pos-1].isspace():405                                optval = optval[:pos]406                        optval = optval.strip()407                        # allow empty values408                        if optval == '""':409                            optval = ''410                        optname = self.optionxform(optname.rstrip())411                        cursect[optname] = optval412                    else:413                        # a non-fatal parsing error occurred.  set up the414                        # exception but keep going. the exception will be415                        # raised at the end of the file and will contain a416                        # list of all bogus lines417                        if not e:418                            e = ParsingError(fpname)419                        e.append(lineno, repr(line))420        # if any parsing errors occurred, raise an exception421        if e:422            raise e423class ConfigParser(RawConfigParser):424    def get(self, section, option, raw=False, vars=None):425        """Get an option value for a given section.426        All % interpolations are expanded in the return values, based on the427        defaults passed into the constructor, unless the optional argument428        `raw' is true.  Additional substitutions may be provided using the429        `vars' argument, which must be a dictionary whose contents overrides430        any pre-existing defaults.431        The section DEFAULT is special.432        """433        d = self._defaults.copy()434        try:435            d.update(self._sections[section])436        except KeyError:437            if section != DEFAULTSECT:438                raise NoSectionError(section)439        # Update with the entry specific variables440        if vars:441            for key, value in vars.items():442                d[self.optionxform(key)] = value443        option = self.optionxform(option)444        try:445            value = d[option]446        except KeyError:447            raise NoOptionError(option, section)448        if raw:449            return value450        else:451            return self._interpolate(section, option, value, d)452    def items(self, section, raw=False, vars=None):453        """Return a list of tuples with (name, value) for each option454        in the section.455        All % interpolations are expanded in the return values, based on the456        defaults passed into the constructor, unless the optional argument457        `raw' is true.  Additional substitutions may be provided using the458        `vars' argument, which must be a dictionary whose contents overrides459        any pre-existing defaults.460        The section DEFAULT is special.461        """462        d = self._defaults.copy()463        try:464            d.update(self._sections[section])465        except KeyError:466            if section != DEFAULTSECT:467                raise NoSectionError(section)468        # Update with the entry specific variables469        if vars:470            for key, value in vars.items():471                d[self.optionxform(key)] = value472        options = d.keys()473        if "__name__" in options:474            options.remove("__name__")475        if raw:476            return [(option, d[option])477                    for option in options]478        else:479            return [(option, self._interpolate(section, option, d[option], d))480                    for option in options]481    def _interpolate(self, section, option, rawval, vars):482        # do the string interpolation483        value = rawval484        depth = MAX_INTERPOLATION_DEPTH485        while depth:                    # Loop through this until it's done486            depth -= 1487            if "%(" in value:488                value = self._KEYCRE.sub(self._interpolation_replace, value)489                try:490                    value = value % vars491                except KeyError, e:492                    raise InterpolationMissingOptionError(493                        option, section, rawval, e.args[0])494            else:495                break496        if "%(" in value:497            raise InterpolationDepthError(option, section, rawval)498        return value499    _KEYCRE = re.compile(r"%\(([^)]*)\)s|.")500    def _interpolation_replace(self, match):501        s = match.group(1)502        if s is None:503            return match.group()504        else:505            return "%%(%s)s" % self.optionxform(s)506class SafeConfigParser(ConfigParser):507    def _interpolate(self, section, option, rawval, vars):508        # do the string interpolation509        L = []510        self._interpolate_some(option, L, rawval, section, vars, 1)511        return ''.join(L)512    _interpvar_re = re.compile(r"%\(([^)]+)\)s")513    def _interpolate_some(self, option, accum, rest, section, map, depth):514        if depth > MAX_INTERPOLATION_DEPTH:515            raise InterpolationDepthError(option, section, rest)516        while rest:517            p = rest.find("%")518            if p < 0:519                accum.append(rest)520                return521            if p > 0:522                accum.append(rest[:p])523                rest = rest[p:]524            # p is no longer used525            c = rest[1:2]526            if c == "%":527                accum.append("%")528                rest = rest[2:]529            elif c == "(":530                m = self._interpvar_re.match(rest)531                if m is None:532                    raise InterpolationSyntaxError(option, section,533                        "bad interpolation variable reference %r" % rest)534                var = self.optionxform(m.group(1))535                rest = rest[m.end():]536                try:537                    v = map[var]538                except KeyError:539                    raise InterpolationMissingOptionError(540                        option, section, rest, var)541                if "%" in v:542                    self._interpolate_some(option, accum, v,543                                           section, map, depth + 1)544                else:545                    accum.append(v)546            else:547                raise InterpolationSyntaxError(548                    option, section,...

ini.py

Source:ini.py

...259        # identical to __getitem__ except that _compat_XXX260        # is checked for backward-compatible handling261        if key == '__name__':262            return self._lines[-1].name263        if self._optionxform: key = self._optionxform(key)264        try:265            value = self._options[key].value266            del_empty = key in self._compat_skip_empty_lines267        except KeyError:268            if self._defaults and key in self._defaults._options:269                value = self._defaults._options[key].value270                del_empty = key in self._defaults._compat_skip_empty_lines271            else:272                raise273        if del_empty:274            value = re.sub('\n+', '\n', value)275        return value276    def __getitem__(self, key):277        if key == '__name__':278            return self._lines[-1].name279        if self._optionxform: key = self._optionxform(key)280        try:281            return self._options[key].value282        except KeyError:283            if self._defaults and key in self._defaults._options:284                return self._defaults._options[key].value285            else:286                raise287    def __setitem__(self, key, value):288        if self._optionxform: xkey = self._optionxform(key)289        else: xkey = key290        if xkey in self._compat_skip_empty_lines:291            self._compat_skip_empty_lines.remove(xkey)292        if xkey not in self._options:293            # create a dummy object - value may have multiple lines294            obj = LineContainer(OptionLine(key, ''))295            self._lines[-1].add(obj)296            self._options[xkey] = obj297        # the set_value() function in LineContainer298        # automatically handles multi-line values299        self._options[xkey].value = value300    def __delitem__(self, key):301        if self._optionxform: key = self._optionxform(key)302        if key in self._compat_skip_empty_lines:303            self._compat_skip_empty_lines.remove(key)304        for l in self._lines:305            remaining = []306            for o in l.contents:307                if isinstance(o, LineContainer):308                    n = o.name309                    if self._optionxform: n = self._optionxform(n)310                    if key != n: remaining.append(o)311                else:312                    remaining.append(o)313            l.contents = remaining314        del self._options[key]315    def __iter__(self):316        d = set()317        for l in self._lines:318            for x in l.contents:319                if isinstance(x, LineContainer):320                    if self._optionxform:321                        ans = self._optionxform(x.name)322                    else:323                        ans = x.name324                    if ans not in d:325                        yield ans326                        d.add(ans)327        if self._defaults:328            for x in self._defaults:329                if x not in d:330                    yield x331                    d.add(x)332    def _new_namespace(self, name):333        raise Exception('No sub-sections allowed', name)334def make_comment(line):335    return CommentLine(line.rstrip('\n'))336def readline_iterator(f):337    """iterate over a file by only using the file object's readline method"""338    have_newline = False339    while True:340        line = f.readline()341        if not line:342            if have_newline:343                yield ""344            return345        if line.endswith('\n'):346            have_newline = True347        else:348            have_newline = False349        yield line350def lower(x):351    return x.lower()352class INIConfig(config.ConfigNamespace):353    _data = None354    _sections = None355    _defaults = None356    _optionxformvalue = None357    _optionxformsource = None358    _sectionxformvalue = None359    _sectionxformsource = None360    _parse_exc = None361    _bom = False362    def __init__(self, fp=None, defaults=None, parse_exc=True,363                 optionxformvalue=lower, optionxformsource=None,364                 sectionxformvalue=None, sectionxformsource=None):365        self._data = LineContainer()366        self._parse_exc = parse_exc367        self._optionxformvalue = optionxformvalue368        self._optionxformsource = optionxformsource369        self._sectionxformvalue = sectionxformvalue370        self._sectionxformsource = sectionxformsource371        self._sections = {}372        if defaults is None: defaults = {}373        self._defaults = INISection(LineContainer(), optionxformsource=self)374        for name, value in defaults.iteritems():375            self._defaults[name] = value376        if fp is not None:377            self._readfp(fp)378    _optionxform = _make_xform_property('_optionxform', 'optionxform')379    _sectionxform = _make_xform_property('_sectionxform', 'optionxform')380    def __getitem__(self, key):381        if key == DEFAULTSECT:382            return self._defaults383        if self._sectionxform: key = self._sectionxform(key)384        return self._sections[key]385    def __setitem__(self, key, value):386        raise Exception('Values must be inside sections', key, value)387    def __delitem__(self, key):388        if self._sectionxform: key = self._sectionxform(key)389        for line in self._sections[key]._lines:390            self._data.contents.remove(line)391        del self._sections[key]392    def __iter__(self):393        d = set()394        d.add(DEFAULTSECT)395        for x in self._data.contents:396            if isinstance(x, LineContainer):397                if x.name not in d:398                    yield x.name399                    d.add(x.name)400    def _new_namespace(self, name):401        if self._data.contents:402            self._data.add(EmptyLine())403        obj = LineContainer(SectionLine(name))404        self._data.add(obj)405        if self._sectionxform: name = self._sectionxform(name)406        if name in self._sections:407            ns = self._sections[name]408            ns._lines.append(obj)409        else:410            ns = INISection(obj, defaults=self._defaults,411                            optionxformsource=self)412            self._sections[name] = ns413        return ns414    def __str__(self):415        if self._bom:416            fmt = u'\ufeff%s'417        else:418            fmt = '%s'419        return fmt % self._data.__str__()420    __unicode__ = __str__421    _line_types = [EmptyLine, CommentLine,422                   SectionLine, OptionLine,423                   ContinuationLine]424    def _parse(self, line):425        for linetype in self._line_types:426            lineobj = linetype.parse(line)427            if lineobj:428                return lineobj429        else:430            # can't parse line431            return None432    def _readfp(self, fp):433        cur_section = None434        cur_option = None435        cur_section_name = None436        cur_option_name = None437        pending_lines = []438        pending_empty_lines = False439        try:440            fname = fp.name441        except AttributeError:442            fname = '<???>'443        linecount = 0444        exc = None445        line = None446        for line in readline_iterator(fp):447            # Check for BOM on first line448            if linecount == 0 and isinstance(line, unicode):449                if line[0] == u'\ufeff':450                    line = line[1:]451                    self._bom = True452            lineobj = self._parse(line)453            linecount += 1454            if not cur_section and not isinstance(lineobj,455                                (CommentLine, EmptyLine, SectionLine)):456                if self._parse_exc:457                    raise MissingSectionHeaderError(fname, linecount, line)458                else:459                    lineobj = make_comment(line)460            if lineobj is None:461                if self._parse_exc:462                    if exc is None: exc = ParsingError(fname)463                    exc.append(linecount, line)464                lineobj = make_comment(line)465            if isinstance(lineobj, ContinuationLine):466                if cur_option:467                    if pending_lines:468                        cur_option.extend(pending_lines)469                        pending_lines = []470                        if pending_empty_lines:471                            optobj._compat_skip_empty_lines.add(cur_option_name)472                            pending_empty_lines = False473                    cur_option.add(lineobj)474                else:475                    # illegal continuation line - convert to comment476                    if self._parse_exc:477                        if exc is None: exc = ParsingError(fname)478                        exc.append(linecount, line)479                    lineobj = make_comment(line)480            if isinstance(lineobj, OptionLine):481                if pending_lines:482                    cur_section.extend(pending_lines)483                    pending_lines = []484                    pending_empty_lines = False485                cur_option = LineContainer(lineobj)486                cur_section.add(cur_option)487                if self._optionxform:488                    cur_option_name = self._optionxform(cur_option.name)489                else:490                    cur_option_name = cur_option.name491                if cur_section_name == DEFAULTSECT:492                    optobj = self._defaults493                else:494                    optobj = self._sections[cur_section_name]495                optobj._options[cur_option_name] = cur_option496            if isinstance(lineobj, SectionLine):497                self._data.extend(pending_lines)498                pending_lines = []499                pending_empty_lines = False500                cur_section = LineContainer(lineobj)501                self._data.add(cur_section)502                cur_option = None...

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