Labrys of Knossos f05b09f349 Updates vendored subliminal to 2.1.0
Updates rarfile to 3.1
Updates stevedore to 3.5.0
Updates appdirs to 1.4.4
Updates click to 8.1.3
Updates decorator to 5.1.1
Updates dogpile.cache to 1.1.8
Updates pbr to 5.11.0
Updates pysrt to 1.1.2
Updates pytz to 2022.6
Adds importlib-metadata version 3.1.1
Adds typing-extensions version 4.1.1
Adds zipp version 3.11.0
2022-11-29 00:44:49 -05:00

115 lines
4.2 KiB
Python

# -*- coding: utf-8 -*-
from pkg_resources import EntryPoint
from stevedore import ExtensionManager
class RegistrableExtensionManager(ExtensionManager):
""":class:~stevedore.extensions.ExtensionManager` with support for registration.
It allows loading of internal extensions without setup and registering/unregistering additional extensions.
Loading is done in this order:
* Entry point extensions
* Internal extensions
* Registered extensions
:param str namespace: namespace argument for :class:~stevedore.extensions.ExtensionManager`.
:param list internal_extensions: internal extensions to use with entry point syntax.
:param \*\*kwargs: additional parameters for the :class:~stevedore.extensions.ExtensionManager` constructor.
"""
def __init__(self, namespace, internal_extensions, **kwargs):
#: Registered extensions with entry point syntax
self.registered_extensions = []
#: Internal extensions with entry point syntax
self.internal_extensions = internal_extensions
super(RegistrableExtensionManager, self).__init__(namespace, **kwargs)
def list_entry_points(self):
# copy of default extensions
eps = list(super(RegistrableExtensionManager, self).list_entry_points())
# internal extensions
for iep in self.internal_extensions:
ep = EntryPoint.parse(iep)
if ep.name not in [e.name for e in eps]:
eps.append(ep)
# registered extensions
for rep in self.registered_extensions:
ep = EntryPoint.parse(rep)
if ep.name not in [e.name for e in eps]:
eps.append(ep)
return eps
def register(self, entry_point):
"""Register an extension
:param str entry_point: extension to register (entry point syntax).
:raise: ValueError if already registered.
"""
if entry_point in self.registered_extensions:
raise ValueError('Extension already registered')
ep = EntryPoint.parse(entry_point)
if ep.name in self.names():
raise ValueError('An extension with the same name already exist')
ext = self._load_one_plugin(ep, False, (), {}, False)
self.extensions.append(ext)
if self._extensions_by_name is not None:
self._extensions_by_name[ext.name] = ext
self.registered_extensions.insert(0, entry_point)
def unregister(self, entry_point):
"""Unregister a provider
:param str entry_point: provider to unregister (entry point syntax).
"""
if entry_point not in self.registered_extensions:
raise ValueError('Extension not registered')
ep = EntryPoint.parse(entry_point)
self.registered_extensions.remove(entry_point)
if self._extensions_by_name is not None:
del self._extensions_by_name[ep.name]
for i, ext in enumerate(self.extensions):
if ext.name == ep.name:
del self.extensions[i]
break
#: Provider manager
provider_manager = RegistrableExtensionManager('subliminal.providers', [
'addic7ed = subliminal.providers.addic7ed:Addic7edProvider',
'argenteam = subliminal.providers.argenteam:ArgenteamProvider',
'legendastv = subliminal.providers.legendastv:LegendasTVProvider',
'opensubtitles = subliminal.providers.opensubtitles:OpenSubtitlesProvider',
'opensubtitlesvip = subliminal.providers.opensubtitles:OpenSubtitlesVipProvider',
'podnapisi = subliminal.providers.podnapisi:PodnapisiProvider',
'shooter = subliminal.providers.shooter:ShooterProvider',
'thesubdb = subliminal.providers.thesubdb:TheSubDBProvider',
'tvsubtitles = subliminal.providers.tvsubtitles:TVsubtitlesProvider'
])
#: Disabled providers
disabled_providers = ['opensubtitlesvip']
#: Default enabled providers
default_providers = [p for p in provider_manager.names() if p not in disabled_providers]
#: Refiner manager
refiner_manager = RegistrableExtensionManager('subliminal.refiners', [
'hash = subliminal.refiners.hash:refine',
'metadata = subliminal.refiners.metadata:refine',
'omdb = subliminal.refiners.omdb:refine',
'tvdb = subliminal.refiners.tvdb:refine'
])