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123 lines
3.7 KiB
123 lines
3.7 KiB
# coding=utf-8
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from __future__ import absolute_import
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import functools
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import importlib
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import os
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import logging
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import subliminal
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from subliminal.providers import Provider as _Provider
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from subliminal.subtitle import Subtitle as _Subtitle
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from subliminal_patch.extensions import provider_registry
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from subliminal_patch.http import RetryingSession
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from subliminal_patch.subtitle import Subtitle, guess_matches
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from subzero.lib.io import get_viable_encoding
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import six
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logger = logging.getLogger(__name__)
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class Provider(_Provider):
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hash_verifiable = False
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hearing_impaired_verifiable = False
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skip_wrong_fps = True
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def ping(self):
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"""Check if the provider is alive."""
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return True
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def reinitialize_on_error(exceptions: tuple, attempts=1):
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"""Method decorator for Provider class. It will reinitialize the instance
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and re-run the method in case of exceptions.
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:param exceptions: tuple of expected exceptions
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:param attempts: number of attempts to call the method
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"""
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def real_decorator(method):
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@functools.wraps(method)
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def wrapper(self, *args, **kwargs):
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inc = 1
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while True:
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try:
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return method(self, *args, **kwargs)
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except exceptions as error:
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if inc > attempts:
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raise
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logger.exception(error)
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logger.debug("Reinitializing %s instance (%s attempt)", self, inc)
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self.terminate()
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self.initialize()
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inc += 1
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return wrapper
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return real_decorator
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# register providers
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# fixme: this is bad
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for name in os.listdir(os.path.dirname(__file__)):
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if name in ("__init__.py", "mixins.py", "utils.py") or not name.endswith(".py"):
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continue
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module_name = os.path.splitext(name)[0]
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mod = importlib.import_module("subliminal_patch.providers.%s" % module_name.lower())
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for item in dir(mod):
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cls = getattr(mod, item)
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if item != "Provider" and item.endswith("Provider") and not item.startswith("_"):
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is_sz_provider = issubclass(cls, Provider)
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is_provider = issubclass(cls, _Provider)
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if not is_provider:
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continue
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if not is_sz_provider:
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# patch provider bases
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new_bases = []
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for base in cls.__bases__:
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if base == _Provider:
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base = Provider
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else:
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if _Provider in base.__bases__:
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base.__bases__ = (Provider,)
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new_bases.append(base)
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cls.__bases__ = tuple(new_bases)
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# patch subtitle bases
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new_bases = []
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for base in cls.subtitle_class.__bases__:
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if base == _Subtitle:
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base = Subtitle
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else:
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if _Subtitle in base.__bases__:
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base.__bases__ = (Subtitle,)
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new_bases.append(base)
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cls.subtitle_class.__bases__ = tuple(new_bases)
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# inject our requests.Session wrapper for automatic retry
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mod.Session = RetryingSession
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mod.guess_matches = guess_matches
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provider_registry.register(module_name, cls)
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# try patching the correspondent subliminal provider
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try:
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subliminal_mod = importlib.import_module("subliminal.providers.%s" % module_name.lower())
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except ImportError:
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pass
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else:
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subliminal_mod.Session = RetryingSession
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subliminal_mod.guess_matches = guess_matches
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