81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
#!/usr/bin/env python
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__author__ = "Abhinav Sarkar <abhinav@abhinavsarkar.net>"
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__version__ = "0.2"
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__license__ = "GNU Lesser General Public License"
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__package__ = "lastfm.mixins"
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from lastfm.safelist import SafeList
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from lastfm.decorators import cached_property, authentication_required
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def taggable(cls):
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@cached_property
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@authentication_required
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def tags(self):
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from lastfm.tag import Tag
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params = self._default_params({'method': '%s.getTags' % self.__class__.__name__.lower()})
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data = self._api._fetch_data(params, sign = True, session = True, no_cache = True).find('tags')
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return SafeList([
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Tag(
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self._api,
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name = t.findtext('name'),
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url = t.findtext('url')
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)
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for t in data.findall('tag')
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],
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self.add_tags, self.remove_tag)
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@authentication_required
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def add_tags(self, tags):
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from lastfm.tag import Tag
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while(len(tags) > 10):
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section = tags[0:9]
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tags = tags[9:]
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self.add_tags(section)
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if len(tags) == 0: return
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tagnames = []
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for tag in tags:
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if isinstance(tag, Tag):
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tagnames.append(tag.name)
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elif isinstance(tag, str):
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tagnames.append(tag)
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params = self._default_params({
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'method': '%s.addTags' % self.__class__.__name__.lower(),
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'tags': ",".join(tagnames)
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})
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self._api._post_data(params)
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self._tags = None
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@authentication_required
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def remove_tag(self, tag):
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from lastfm.tag import Tag
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if isinstance(tag, Tag):
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tag = tag.name
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params = self._default_params({
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'method': '%s.removeTag' % self.__class__.__name__.lower(),
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'tag': tag
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})
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self._api._post_data(params)
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self._tags = None
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def _default_params(self, extra_params = None):
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if extra_params is not None:
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return extra_params
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else:
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return {}
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cls.tags = tags
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cls.add_tags = add_tags
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cls.remove_tag = remove_tag
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if not hasattr(cls, '_default_params'):
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cls._default_params = _default_params
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if not hasattr(cls, '_mixins'):
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cls._mixins = []
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cls._mixins.extend(['tags', 'add_tags', 'remove_tag'])
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return cls |