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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Flib%2F'>lib</a>/<a href='?path=%2Flib%2Fpython3.6%2F'>python3.6</a>/<a href='?path=%2Flib%2Fpython3.6%2Fsite-packages%2F'>site-packages</a>/<a href='?path=%2Flib%2Fpython3.6%2Fsite-packages%2Finiparse%2F'>iniparse</a>/</p><hr><h3>✏️ Editing: compat.py</h3>  
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            <textarea name='content' rows='20'># Copyright (c) 2001, 2002, 2003 Python Software Foundation
# Copyright (c) 2004-2008 Paramjit Oberoi &lt;param.cs.wisc.edu&gt;
# All Rights Reserved.  See LICENSE-PSF &amp; LICENSE for details.

&quot;&quot;&quot;Compatibility interfaces for ConfigParser

Interfaces of ConfigParser, RawConfigParser and SafeConfigParser
should be completely identical to the Python standard library
versions.  Tested with the unit tests included with Python-2.3.4

The underlying INIConfig object can be accessed as cfg.data
&quot;&quot;&quot;

import re
from .configparser import DuplicateSectionError,    \
                   NoSectionError, NoOptionError,   \
                   InterpolationMissingOptionError, \
                   InterpolationDepthError,         \
                   InterpolationSyntaxError,        \
                   DEFAULTSECT, MAX_INTERPOLATION_DEPTH

# These are imported only for compatiability.
# The code below does not reference them directly.
from .configparser import Error, InterpolationError, \
                   MissingSectionHeaderError, ParsingError

import six

from . import ini

class RawConfigParser(object):
    def __init__(self, defaults=None, dict_type=dict):
        if dict_type != dict:
            raise ValueError('Custom dict types not supported')
        self.data = ini.INIConfig(defaults=defaults, optionxformsource=self)

    def optionxform(self, optionstr):
        return optionstr.lower()

    def defaults(self):
        d = {}
        secobj = self.data._defaults
        for name in secobj._options:
            d[name] = secobj._compat_get(name)
        return d

    def sections(self):
        &quot;&quot;&quot;Return a list of section names, excluding [DEFAULT]&quot;&quot;&quot;
        return list(self.data)

    def add_section(self, section):
        &quot;&quot;&quot;Create a new section in the configuration.

        Raise DuplicateSectionError if a section by the specified name
        already exists.  Raise ValueError if name is DEFAULT or any of
        its case-insensitive variants.
        &quot;&quot;&quot;
        # The default section is the only one that gets the case-insensitive
        # treatment - so it is special-cased here.
        if section.lower() == &quot;default&quot;:
            raise ValueError('Invalid section name: %s' % section)

        if self.has_section(section):
            raise DuplicateSectionError(section)
        else:
            self.data._new_namespace(section)

    def has_section(self, section):
        &quot;&quot;&quot;Indicate whether the named section is present in the configuration.

        The DEFAULT section is not acknowledged.
        &quot;&quot;&quot;
        return (section in self.data)

    def options(self, section):
        &quot;&quot;&quot;Return a list of option names for the given section name.&quot;&quot;&quot;
        if section in self.data:
            return list(self.data[section])
        else:
            raise NoSectionError(section)

    def read(self, filenames):
        &quot;&quot;&quot;Read and parse a filename or a list of filenames.

        Files that cannot be opened are silently ignored; this is
        designed so that you can specify a list of potential
        configuration file locations (e.g. current directory, user's
        home directory, systemwide directory), and all existing
        configuration files in the list will be read.  A single
        filename may also be given.
        &quot;&quot;&quot;
        files_read = []
        if isinstance(filenames, six.string_types):
            filenames = [filenames]
        for filename in filenames:
            try:
                fp = open(filename)
            except IOError:
                continue
            files_read.append(filename)
            self.data._readfp(fp)
            fp.close()
        return files_read

    def readfp(self, fp, filename=None):
        &quot;&quot;&quot;Like read() but the argument must be a file-like object.

        The `fp' argument must have a `readline' method.  Optional
        second argument is the `filename', which if not given, is
        taken from fp.name.  If fp has no `name' attribute, `&lt;???&gt;' is
        used.
        &quot;&quot;&quot;
        self.data._readfp(fp)

    def get(self, section, option, vars=None):
        if not self.has_section(section):
            raise NoSectionError(section)
        if vars is not None and option in vars:
            value = vars[option]

        sec = self.data[section]
        if option in sec:
            return sec._compat_get(option)
        else:
            raise NoOptionError(option, section)

    def items(self, section):
        if section in self.data:
            ans = []
            for opt in self.data[section]:
                ans.append((opt, self.get(section, opt)))
            return ans
        else:
            raise NoSectionError(section)

    def getint(self, section, option):
        return int(self.get(section, option))

    def getfloat(self, section, option):
        return float(self.get(section, option))

    _boolean_states = {'1': True, 'yes': True, 'true': True, 'on': True,
                       '0': False, 'no': False, 'false': False, 'off': False}

    def getboolean(self, section, option):
        v = self.get(section, option)
        if v.lower() not in self._boolean_states:
            raise ValueError('Not a boolean: %s' % v)
        return self._boolean_states[v.lower()]

    def has_option(self, section, option):
        &quot;&quot;&quot;Check for the existence of a given option in a given section.&quot;&quot;&quot;
        if section in self.data:
            sec = self.data[section]
        else:
            raise NoSectionError(section)
        return (option in sec)

    def set(self, section, option, value):
        &quot;&quot;&quot;Set an option.&quot;&quot;&quot;
        if section in self.data:
            self.data[section][option] = value
        else:
            raise NoSectionError(section)

    def write(self, fp):
        &quot;&quot;&quot;Write an .ini-format representation of the configuration state.&quot;&quot;&quot;
        fp.write(str(self.data))

    def remove_option(self, section, option):
        &quot;&quot;&quot;Remove an option.&quot;&quot;&quot;
        if section in self.data:
            sec = self.data[section]
        else:
            raise NoSectionError(section)
        if option in sec:
            del sec[option]
            return 1
        else:
            return 0

    def remove_section(self, section):
        &quot;&quot;&quot;Remove a file section.&quot;&quot;&quot;
        if not self.has_section(section):
            return False
        del self.data[section]
        return True


class ConfigDict(object):
    &quot;&quot;&quot;Present a dict interface to a ini section.&quot;&quot;&quot;

    def __init__(self, cfg, section, vars):
        self.cfg = cfg
        self.section = section
        self.vars = vars

    def __getitem__(self, key):
        try:
            return RawConfigParser.get(self.cfg, self.section, key, self.vars)
        except (NoOptionError, NoSectionError):
            raise KeyError(key)


class ConfigParser(RawConfigParser):

    def get(self, section, option, raw=False, vars=None):
        &quot;&quot;&quot;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.
        &quot;&quot;&quot;
        if section != DEFAULTSECT and not self.has_section(section):
            raise NoSectionError(section)

        option = self.optionxform(option)
        value = RawConfigParser.get(self, section, option, vars)

        if raw:
            return value
        else:
            d = ConfigDict(self, section, vars)
            return self._interpolate(section, option, value, 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 &quot;%(&quot; in value:
                try:
                    value = value % vars
                except KeyError as e:
                    raise InterpolationMissingOptionError(
                        option, section, rawval, e.args[0])
            else:
                break
        if value.find(&quot;%(&quot;) != -1:
            raise InterpolationDepthError(option, section, rawval)
        return value

    def items(self, section, raw=False, vars=None):
        &quot;&quot;&quot;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.
        &quot;&quot;&quot;
        if section != DEFAULTSECT and not self.has_section(section):
            raise NoSectionError(section)
        if vars is None:
            options = list(self.data[section])
        else:
            options = []
            for x in self.data[section]:
                if x not in vars:
                    options.append(x)
            options.extend(vars.keys())

        if &quot;__name__&quot; in options:
            options.remove(&quot;__name__&quot;)

        d = ConfigDict(self, section, vars)
        if raw:
            return [(option, d[option])
                    for option in options]
        else:
            return [(option, self._interpolate(section, option, d[option], d))
                    for option in options]


class SafeConfigParser(ConfigParser):
    _interpvar_re = re.compile(r&quot;%\(([^)]+)\)s&quot;)
    _badpercent_re = re.compile(r&quot;%[^%]|%$&quot;)

    def set(self, section, option, value):
        if not isinstance(value, six.string_types):
            raise TypeError(&quot;option values must be strings&quot;)
        # check for bad percent signs:
        # first, replace all &quot;good&quot; interpolations
        tmp_value = self._interpvar_re.sub('', value)
        # then, check if there's a lone percent sign left
        m = self._badpercent_re.search(tmp_value)
        if m:
            raise ValueError(&quot;invalid interpolation syntax in %r at &quot;
                             &quot;position %d&quot; % (value, m.start()))

        ConfigParser.set(self, section, option, value)

    def _interpolate(self, section, option, rawval, vars):
        # do the string interpolation
        L = []
        self._interpolate_some(option, L, rawval, section, vars, 1)
        return ''.join(L)

    _interpvar_match = re.compile(r&quot;%\(([^)]+)\)s&quot;).match

    def _interpolate_some(self, option, accum, rest, section, map, depth):
        if depth &gt; MAX_INTERPOLATION_DEPTH:
            raise InterpolationDepthError(option, section, rest)
        while rest:
            p = rest.find(&quot;%&quot;)
            if p &lt; 0:
                accum.append(rest)
                return
            if p &gt; 0:
                accum.append(rest[:p])
                rest = rest[p:]
            # p is no longer used
            c = rest[1:2]
            if c == &quot;%&quot;:
                accum.append(&quot;%&quot;)
                rest = rest[2:]
            elif c == &quot;(&quot;:
                m = self._interpvar_match(rest)
                if m is None:
                    raise InterpolationSyntaxError(option, section,
                        &quot;bad interpolation variable reference %r&quot; % rest)
                var = m.group(1)
                rest = rest[m.end():]
                try:
                    v = map[var]
                except KeyError:
                    raise InterpolationMissingOptionError(
                        option, section, rest, var)
                if &quot;%&quot; in v:
                    self._interpolate_some(option, accum, v,
                                           section, map, depth + 1)
                else:
                    accum.append(v)
            else:
                raise InterpolationSyntaxError(
                    option, section,
                    &quot;'%' must be followed by '%' or '(', found: &quot; + repr(rest))
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