9b9cdc3ade
This adds basic checks for the library provider lookup: - Check that uri schemes are respected - Check that blacklisting and globbing works - Check uri successfully gets converted to a track
55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
from __future__ import absolute_import, unicode_literals
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import fnmatch
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import logging
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import re
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import urlparse
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import pykka
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from mopidy import audio as audio_lib, backend, exceptions
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from mopidy.audio import scan, utils
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from mopidy.models import Track
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logger = logging.getLogger(__name__)
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class StreamBackend(pykka.ThreadingActor, backend.Backend):
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def __init__(self, config, audio):
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super(StreamBackend, self).__init__()
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self.library = StreamLibraryProvider(
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backend=self, timeout=config['stream']['timeout'],
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blacklist=config['stream']['metadata_blacklist'])
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self.playback = backend.PlaybackProvider(audio=audio, backend=self)
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self.playlists = None
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self.uri_schemes = audio_lib.supported_uri_schemes(
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config['stream']['protocols'])
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class StreamLibraryProvider(backend.LibraryProvider):
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def __init__(self, backend, timeout, blacklist):
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super(StreamLibraryProvider, self).__init__(backend)
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self._scanner = scan.Scanner(timeout=timeout)
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self._blacklist_re = re.compile(
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r'^(%s)$' % '|'.join(fnmatch.translate(u) for u in blacklist))
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def lookup(self, uri):
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if urlparse.urlsplit(uri).scheme not in self.backend.uri_schemes:
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return []
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if self._blacklist_re.match(uri):
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logger.debug('URI matched metadata lookup blacklist: %s', uri)
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return [Track(uri=uri)]
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try:
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tags, duration = self._scanner.scan(uri)
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track = utils.convert_tags_to_track(tags).copy(
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uri=uri, length=duration)
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except exceptions.ScannerError as e:
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logger.warning('Problem looking up %s: %s', uri, e)
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track = Track(uri=uri)
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return [track]
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