407 lines
13 KiB
Python
407 lines
13 KiB
Python
import logging
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import re
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import sys
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from mopidy import settings
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from mopidy.backends.spotify import SpotifyBackend
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from mopidy.exceptions import MpdAckError, MpdNotImplemented
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logger = logging.getLogger('handler')
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_request_handlers = {}
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def register(pattern):
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def decorator(func):
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if pattern in _request_handlers:
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raise ValueError(u'Tried to redefine handler for %s with %s' % (
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pattern, func))
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_request_handlers[pattern] = func
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return func
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return decorator
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def flatten(the_list):
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result = []
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for element in the_list:
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if isinstance(element, list):
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result.extend(flatten(element))
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else:
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result.append(element)
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return result
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class MpdHandler(object):
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def __init__(self, session=None, backend=None):
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self.session = session
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self.backend = backend
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self.command_list = False
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def handle_request(self, request, add_ok=True):
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if self.command_list is not False and request != u'command_list_end':
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self.command_list.append(request)
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return None
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for pattern in _request_handlers:
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matches = re.match(pattern, request)
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if matches is not None:
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groups = matches.groupdict()
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try:
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result = _request_handlers[pattern](self, **groups)
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except MpdAckError, e:
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return self.handle_response(u'ACK %s' % e, add_ok=False)
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if self.command_list is not False:
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return None
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else:
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return self.handle_response(result, add_ok)
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raise MpdAckError(u'Unknown command: %s' % request)
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def handle_response(self, result, add_ok=True):
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response = []
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if result is None:
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result = []
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elif not isinstance(result, list):
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result = [result]
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for line in flatten(result):
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if isinstance(line, dict):
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for (key, value) in line.items():
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response.append(u'%s: %s' % (key, value))
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elif isinstance(line, tuple):
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(key, value) = line
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response.append(u'%s: %s' % (key, value))
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else:
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response.append(line)
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if add_ok:
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response.append(u'OK')
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return response
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@register(r'^add "(?P<uri>[^"]*)"$')
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def _add(self, uri):
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raise MpdNotImplemented # TODO
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@register(r'^addid "(?P<uri>[^"]*)"( (?P<songpos>\d+))*$')
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def _add(self, uri, songpos=None):
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raise MpdNotImplemented # TODO
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@register(r'^clear$')
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def _clear(self):
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raise MpdNotImplemented # TODO
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@register(r'^clearerror$')
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def _clearerror(self):
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raise MpdNotImplemented # TODO
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@register(r'^close$')
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def _close(self):
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self.session.do_close()
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@register(r'^command_list_begin$')
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def _command_list_begin(self):
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self.command_list = []
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self.command_list_ok = False
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@register(r'^command_list_ok_begin$')
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def _command_list_ok_begin(self):
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self.command_list = []
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self.command_list_ok = True
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@register(r'^command_list_end$')
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def _command_list_end(self):
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(command_list, self.command_list) = (self.command_list, False)
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(command_list_ok, self.command_list_ok) = (self.command_list_ok, False)
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result = []
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for command in command_list:
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response = self.handle_request(command, add_ok=False)
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if response is not None:
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result.append(response)
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if command_list_ok:
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response.append(u'list_OK')
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return result
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@register(r'^consume "(?P<state>[01])"$')
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def _consume(self, state):
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state = int(state)
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if state:
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raise MpdNotImplemented # TODO
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else:
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raise MpdNotImplemented # TODO
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@register(r'^count (?P<tag>\S+) (?P<needle>\S+)$')
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def _count(self, tag, needle):
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raise MpdNotImplemented # TODO
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@register(r'^crossfade "(?P<seconds>\d+)"$')
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def _crossfade(self, seconds):
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seconds = int(seconds)
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raise MpdNotImplemented # TODO
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@register(r'^currentsong$')
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def _currentsong(self):
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return self.backend.current_song()
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@register(r'^delete ((?P<songpos>\d+)|(?P<start>\d+):(?P<end>\d+)*)$')
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def _delete(self, songpos=None, start=None, end=None):
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raise MpdNotImplemented # TODO
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@register(r'^deleteid (?P<songid>.*)$')
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def _deleteid(self, songid):
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raise MpdNotImplemented # TODO
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@register(r'^$')
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def _empty(self):
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pass
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@register(r'^find (?P<type>(album|artist|title)) (?P<what>.*)$')
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def _find(self, type, what):
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raise MpdNotImplemented # TODO
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@register(r'^findadd (?P<type>(album|artist|title)) (?P<what>.*)$')
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def _findadd(self, type, what):
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result = self._find(type, what)
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# TODO Add result to current playlist
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#return result
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@register(r'^idle( (?P<subsystems>.+))*$')
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def _idle(self, subsystems=None):
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raise MpdNotImplemented # TODO
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@register(r'^kill$')
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def _kill(self):
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self.session.do_kill()
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@register(r'^list (?P<type>artist)$')
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@register(r'^list (?P<type>album)( (?P<artist>.*))*$')
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def _list(self, type, artist=None):
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raise MpdNotImplemented # TODO
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@register(r'^listall "(?P<uri>[^"]+)"')
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def _listall(self, uri):
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raise MpdNotImplemented # TODO
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@register(r'^listallinfo "(?P<uri>[^"]+)"')
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def _listallinfo(self, uri):
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raise MpdNotImplemented # TODO
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@register(r'^listplaylist (?P<name>.+)$')
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def _listplaylist(self, name):
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raise MpdNotImplemented # TODO
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@register(r'^listplaylistinfo (?P<name>.+)$')
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def _listplaylistinfo(self, name):
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raise MpdNotImplemented # TODO
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@register(r'^listplaylists$')
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def _listplaylists(self):
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return self.backend.playlists_list()
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@register(r'^load "(?P<name>.+)"$')
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def _load(self, name):
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return self.backend.playlist_load(name)
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@register(r'^lsinfo( "(?P<uri>[^"]*)")*$')
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def _lsinfo(self, uri):
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if uri == u'/' or uri is None:
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return self._listplaylists()
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raise MpdNotImplemented # TODO
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@register(r'^move ((?P<songpos>\d+)|(?P<start>\d+):(?P<end>\d+)*) (?P<to>\d+)$')
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def _move(self, songpos=None, start=None, end=None, to=None):
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raise MpdNotImplemented # TODO
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@register(r'^moveid (?P<songid>\S+) (?P<to>\d+)$')
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def _moveid(self, songid, to):
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raise MpdNotImplemented # TODO
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@register(r'^next$')
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def _next(self):
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return self.backend.next()
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@register(r'^password "(?P<password>[^"]+)"$')
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def _password(self, password):
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raise MpdNotImplemented # TODO
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@register(r'^pause "(?P<state>[01])"$')
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def _pause(self, state):
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if int(state):
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self.backend.pause()
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else:
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self.backend.resume()
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@register(r'^ping$')
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def _ping(self):
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pass
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@register(r'^play "(?P<songpos>\d+)"$')
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def _play(self, songpos):
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return self.backend.play_pos(int(songpos))
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@register(r'^playid "(?P<songid>\d+)"$')
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def _playid(self, songid):
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return self.backend.play_id(int(songid))
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@register(r'^playlist$')
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def _playlist(self):
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return self._playlistinfo()
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@register(r'^playlistadd (?P<name>\S+) "(?P<uri>[^"]+)"$')
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def _playlistadd(self, name, uri):
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raise MpdNotImplemented # TODO
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@register(r'^playlistclear (?P<name>\S+)$')
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def _playlistclear(self, name):
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raise MpdNotImplemented # TODO
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@register(r'^playlistdelete (?P<name>\S+) (?P<songpos>\d+)$')
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def _playlistdelete(self, name, songpos):
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raise MpdNotImplemented # TODO
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@register(r'^playlistfind (?P<tag>\S+) (?P<needle>\S+)$')
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def _playlistfind(self, tag, needle):
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raise MpdNotImplemented # TODO
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@register(r'^playlistid( "(?P<songid>\S+)")*$')
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def _playlistid(self, songid=None):
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return self.backend.playlist_info(songid, None, None)
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@register(r'^playlistinfo( "((?P<songpos>\d+)|(?P<start>\d+):(?P<end>\d+)*)")*$')
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def _playlistinfo(self, songpos=None, start=None, end=None):
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return self.backend.playlist_info(songpos, start, end)
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@register(r'^playlistmove (?P<name>\S+) (?P<songid>\S+) (?P<songpos>\d+)$')
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def _playlistdelete(self, name, songid, songpos):
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raise MpdNotImplemented # TODO
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@register(r'^playlistsearch (?P<tag>\S+) (?P<needle>\S+)$')
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def _playlistsearch(self, tag, needle):
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raise MpdNotImplemented # TODO
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@register(r'^plchanges "(?P<version>\d+)"$')
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def _plchanges(self, version):
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return self.backend.playlist_changes_since(version)
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@register(r'^plchangesposid (?P<version>\d+)$')
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def _plchangesposid(self, version):
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raise MpdNotImplemented # TODO
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@register(r'^previous$')
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def _previous(self):
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return self.backend.previous()
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@register(r'^rename (?P<old_name>\S+) (?P<new_name>\S+)$')
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def _rename(self, old_name, new_name):
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raise MpdNotImplemented # TODO
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@register(r'^random "(?P<state>[01])"$')
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def _random(self, state):
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state = int(state)
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if state:
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raise MpdNotImplemented # TODO
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else:
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raise MpdNotImplemented # TODO
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@register(r'^repeat "(?P<state>[01])"$')
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def _repeat(self, state):
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state = int(state)
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if state:
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raise MpdNotImplemented # TODO
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else:
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raise MpdNotImplemented # TODO
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@register(r'^replay_gain_mode (?P<mode>(off|track|album))$')
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def _replay_gain_mode(self, mode):
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raise MpdNotImplemented # TODO
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@register(r'^replay_gain_status$')
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def _replay_gain_status(self):
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return u'off' # TODO
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@register(r'^rescan( "(?P<uri>[^"]+)")*$')
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def _update(self, uri=None):
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return self._update(uri, rescan_unmodified_files=True)
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@register(r'^rm (?P<name>\S+)$')
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def _rm(self, name):
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raise MpdNotImplemented # TODO
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@register(r'^save (?P<name>\S+)$')
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def _save(self, name):
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raise MpdNotImplemented # TODO
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@register(r'^search "(?P<type>(album|artist|filename|title))" "(?P<what>.+)"$')
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def _search(self, type, what):
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raise MpdNotImplemented # TODO
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@register(r'^seek (?P<songpos>.+) (?P<seconds>\d+)$')
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def _seek(self, songpos, seconds):
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raise MpdNotImplemented # TODO
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@register(r'^seekid (?P<songid>.+) (?P<seconds>\d+)$')
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def _seekid(self, songid, seconds):
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raise MpdNotImplemented # TODO
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@register(r'^setvol "(?P<volume>-*\d+)"$')
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def _setvol(self, volume):
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volume = int(volume)
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if volume < 0:
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volume = 0
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if volume > 100:
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volume = 100
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raise MpdNotImplemented # TODO
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@register(r'^shuffle( (?P<start>\d+):(?P<end>\d+)*)*$')
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def _shuffle(self, start=None, end=None):
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raise MpdNotImplemented # TODO
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@register(r'^single "(?P<state>[01])"$')
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def _single(self, state):
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state = int(state)
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if state:
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raise MpdNotImplemented # TODO
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else:
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raise MpdNotImplemented # TODO
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@register(r'^stats$')
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def _stats(self):
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pass # TODO
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return {
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'artists': 0,
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'albums': 0,
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'songs': 0,
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'uptime': 0,
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'db_playtime': 0,
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'db_update': 0,
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'playtime': 0,
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}
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@register(r'^stop$')
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def _stop(self):
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self.backend.stop()
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@register(r'^status$')
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def _status(self):
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return [
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('volume', self.backend.status_volume()),
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('repeat', self.backend.status_repeat()),
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('random', self.backend.status_random()),
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('single', self.backend.status_single()),
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('consume', self.backend.status_consume()),
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('playlist', self.backend.status_playlist()),
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('playlistlength', self.backend.status_playlist_length()),
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('xfade', self.backend.status_xfade()),
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('state', self.backend.status_state()),
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('song', self.backend.status_song_id()),
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('songid', self.backend.status_song_id()),
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]
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@register(r'^swap (?P<songpos1>\d+) (?P<songpos2>\d+)$')
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def _swap(self, songpos1, songpos2):
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raise MpdNotImplemented # TODO
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@register(r'^swapid (?P<songid1>\S+) (?P<songid2>\S+)$')
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def _swapid(self, songid1, songid2):
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raise MpdNotImplemented # TODO
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@register(r'^update( "(?P<uri>[^"]+)")*$')
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def _update(self, uri=None, rescan_unmodified_files=False):
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return {'updating_db': 0} # TODO
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@register(r'^urlhandlers$')
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def _urlhandlers(self):
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return self.backend.url_handlers()
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