mirror of
https://github.com/beetbox/beets.git
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abd02052b9
- `sync_data` -> `sync_from_source` - properly catch ConfigValueError - avoiding iterating through library if we couldn't instantiate any meta sources - fix create_temporary_copy to actually make a tempdir
136 lines
4.1 KiB
Python
136 lines
4.1 KiB
Python
# This file is part of beets.
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# Copyright 2015, Heinz Wiesinger.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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"""Synchronize information from music player libraries
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"""
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from abc import abstractmethod, ABCMeta
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import inspect
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import pkgutil
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from importlib import import_module
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from beets.util.confit import ConfigValueError
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from beets import ui
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from beets.plugins import BeetsPlugin
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METASYNC_MODULE = 'beetsplug.metasync'
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class MetaSource(object):
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__metaclass__ = ABCMeta
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def __init__(self, config, log):
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self.item_types = {}
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self.config = config
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self._log = log
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@abstractmethod
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def sync_from_source(self, item):
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pass
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def load_meta_sources():
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""" Returns a dictionary of all the MetaSources
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E.g., {'itunes': Itunes} with isinstance(Itunes, MetaSource) true
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"""
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def is_meta_source_implementation(c):
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return inspect.isclass(c) and \
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not inspect.isabstract(c) and \
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issubclass(c, MetaSource)
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meta_sources = {}
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module_names = [name for _, name, _ in pkgutil.walk_packages(
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import_module(METASYNC_MODULE).__path__)]
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for module_name in module_names:
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module = import_module(METASYNC_MODULE + '.' + module_name)
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classes = inspect.getmembers(module, is_meta_source_implementation)
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for cls_name, _cls in classes:
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meta_sources[cls_name.lower()] = _cls
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return meta_sources
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META_SOURCES = load_meta_sources()
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def load_item_types():
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""" Returns a dictionary containing the item_types of all the MetaSources
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"""
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item_types = {}
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for meta_source in META_SOURCES.values():
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item_types.update(meta_source.item_types)
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return item_types
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class MetaSyncPlugin(BeetsPlugin):
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item_types = load_item_types()
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def __init__(self):
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super(MetaSyncPlugin, self).__init__()
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def commands(self):
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cmd = ui.Subcommand('metasync',
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help='update metadata from music player libraries')
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cmd.parser.add_option('-p', '--pretend', action='store_true',
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help='show all changes but do nothing')
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cmd.parser.add_option('-s', '--source', default=[],
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action='append', dest='sources',
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help='comma-separated list of sources to sync')
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cmd.parser.add_format_option()
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cmd.func = self.func
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return [cmd]
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def func(self, lib, opts, args):
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"""Command handler for the metasync function.
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"""
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pretend = opts.pretend
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query = ui.decargs(args)
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sources = []
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for source in opts.sources:
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sources.extend(source.split(','))
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sources = sources or self.config['source'].as_str_seq()
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meta_sources = {}
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# Instantiate the meta sources
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for player in sources:
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try:
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meta_sources[player] = \
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META_SOURCES[player](self.config, self._log)
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except KeyError:
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self._log.error(u'Unknown metadata source \'{0}\''.format(
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player))
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except (ImportError, ConfigValueError) as e:
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self._log.error(u'Failed to instantiate metadata source '
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u'\'{0}\': {1}'.format(player, e))
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if not meta_sources:
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return
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# Sync the items with all of the meta sources
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for item in lib.items(query):
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for meta_source in meta_sources.values():
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meta_source.sync_from_source(item)
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changed = ui.show_model_changes(item)
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if changed and not pretend:
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item.store()
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