mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-27 18:17:46 +00:00
100 lines
3.8 KiB
Python
100 lines
3.8 KiB
Python
"""
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Extensions
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-----------------------------------------------------------------------------
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"""
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from __future__ import unicode_literals
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from ..util import parseBoolValue
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import warnings
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class Extension(object):
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""" Base class for extensions to subclass. """
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# Default config -- to be overriden by a subclass
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# Must be of the following format:
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# {
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# 'key': ['value', 'description']
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# }
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# Note that Extension.setConfig will raise a KeyError
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# if a default is not set here.
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config = {}
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def __init__(self, *args, **kwargs):
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""" Initiate Extension and set up configs. """
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# check for configs arg for backward compat.
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# (there only ever used to be one so we use arg[0])
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if len(args):
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if args[0] is not None:
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self.setConfigs(args[0])
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warnings.warn('Extension classes accepting positional args is '
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'pending Deprecation. Each setting should be '
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'passed into the Class as a keyword. Positional '
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'args are deprecated and will raise '
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'an error in version 2.7. See the Release Notes for '
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'Python-Markdown version 2.6 for more info.',
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DeprecationWarning)
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# check for configs kwarg for backward compat.
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if 'configs' in kwargs.keys():
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if kwargs['configs'] is not None:
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self.setConfigs(kwargs.pop('configs', {}))
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warnings.warn('Extension classes accepting a dict on the single '
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'keyword "config" is pending Deprecation. Each '
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'setting should be passed into the Class as a '
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'keyword directly. The "config" keyword is '
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'deprecated and raise an error in '
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'version 2.7. See the Release Notes for '
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'Python-Markdown version 2.6 for more info.',
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DeprecationWarning)
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# finally, use kwargs
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self.setConfigs(kwargs)
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def getConfig(self, key, default=''):
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""" Return a setting for the given key or an empty string. """
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if key in self.config:
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return self.config[key][0]
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else:
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return default
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def getConfigs(self):
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""" Return all configs settings as a dict. """
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return dict([(key, self.getConfig(key)) for key in self.config.keys()])
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def getConfigInfo(self):
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""" Return all config descriptions as a list of tuples. """
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return [(key, self.config[key][1]) for key in self.config.keys()]
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def setConfig(self, key, value):
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""" Set a config setting for `key` with the given `value`. """
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if isinstance(self.config[key][0], bool):
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value = parseBoolValue(value)
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if self.config[key][0] is None:
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value = parseBoolValue(value, preserve_none=True)
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self.config[key][0] = value
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def setConfigs(self, items):
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""" Set multiple config settings given a dict or list of tuples. """
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if hasattr(items, 'items'):
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# it's a dict
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items = items.items()
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for key, value in items:
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self.setConfig(key, value)
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def extendMarkdown(self, md, md_globals):
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"""
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Add the various proccesors and patterns to the Markdown Instance.
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This method must be overriden by every extension.
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Keyword arguments:
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* md: The Markdown instance.
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* md_globals: Global variables in the markdown module namespace.
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"""
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raise NotImplementedError(
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'Extension "%s.%s" must define an "extendMarkdown"'
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'method.' % (self.__class__.__module__, self.__class__.__name__)
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)
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