212 lines
6.9 KiB
Python
212 lines
6.9 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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from base import LastfmBase
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class Album(LastfmBase):
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"""A class representing an album."""
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def init(self,
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api,
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name = None,
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artist = None,
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id = None,
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mbid = None,
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url = None,
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releaseDate = None,
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image = None,
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stats = None,
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topTags = None):
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if not isinstance(api, Api):
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raise LastfmInvalidParametersError("api reference must be supplied as an argument")
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self.__api = api
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self.__name = name
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self.__artist = artist
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self.__id = id
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self.__mbid = mbid
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self.__url = url
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self.__releaseDate = releaseDate
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self.__image = image
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self.__stats = stats and Stats(
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subject = self,
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listeners = stats.listeners,
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playcount = stats.playcount,
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match = stats.match,
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rank = stats.rank
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)
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self.__topTags = topTags
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@property
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def name(self):
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"""name of the album"""
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return self.__name
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@property
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def artist(self):
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"""artist of the album"""
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return self.__artist
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@property
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def id(self):
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"""id of the album"""
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if self.__id is None:
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self._fillInfo()
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return self.__id
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@property
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def mbid(self):
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"""mbid of the album"""
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if self.__mbid is None:
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self._fillInfo()
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return self.__mbid
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@property
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def url(self):
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"""url of the album's page"""
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if self.__url is None:
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self._fillInfo()
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return self.__url
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@property
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def releaseDate(self):
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"""release date of the album"""
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if self.__releaseDate is None:
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self._fillInfo()
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return self.__releaseDate
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@property
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def image(self):
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"""cover images of the album"""
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if self.__image is None:
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self._fillInfo()
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return self.__image
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@property
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def stats(self):
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"""stats related to the album"""
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if self.__stats is None:
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self._fillInfo()
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return self.__stats
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@LastfmBase.cachedProperty
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def topTags(self):
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"""top tags for the album"""
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params = {'method': 'album.getinfo'}
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if self.artist and self.name:
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params.update({'artist': self.artist.name, 'album': self.name})
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elif self.mbid:
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params.update({'mbid': self.mbid})
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data = self.__api._fetchData(params).find('album')
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return [
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Tag(
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self.__api,
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subject = self,
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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('toptags/tag')
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]
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@LastfmBase.topProperty("topTags")
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def topTag(self):
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"""top tag for the album"""
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pass
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@LastfmBase.cachedProperty
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def playlist(self):
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return Playlist.fetch(self.__api, "lastfm://playlist/album/%s" % self.id)
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@staticmethod
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def _fetchData(api,
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artist = None,
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album = None,
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mbid = None):
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params = {'method': 'album.getinfo'}
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if not ((artist and album) or mbid):
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raise LastfmInvalidParametersError("either (artist and album) or mbid has to be given as argument.")
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if artist and album:
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params.update({'artist': artist, 'album': album})
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elif mbid:
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params.update({'mbid': mbid})
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return api._fetchData(params).find('album')
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def _fillInfo(self):
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data = Album._fetchData(self.__api, self.artist.name, self.name)
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self.__id = int(data.findtext('id'))
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self.__mbid = data.findtext('mbid')
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self.__url = data.findtext('url')
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self.__releaseDate = data.findtext('releasedate') and data.findtext('releasedate').strip() and \
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datetime(*(time.strptime(data.findtext('releasedate').strip(), '%d %b %Y, 00:00')[0:6]))
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self.__image = dict([(i.get('size'), i.text) for i in data.findall('image')])
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self.__stats = Stats(
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subject = self,
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listeners = int(data.findtext('listeners')),
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playcount = int(data.findtext('playcount')),
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)
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self.__topTags = [
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Tag(
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self.__api,
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subject = self,
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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('toptags/tag')
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]
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@staticmethod
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def getInfo(api,
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artist = None,
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album = None,
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mbid = None):
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data = Album._fetchData(api, artist, album, mbid)
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a = Album(
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api,
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name = data.findtext('name'),
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artist = Artist(
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api,
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name = data.findtext('artist'),
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),
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)
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if a.id is None:
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a._fillInfo()
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return a
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@staticmethod
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def hashFunc(*args, **kwds):
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try:
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return hash("%s%s" % (kwds['name'], hash(kwds['artist'])))
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except KeyError:
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raise LastfmInvalidParametersError("name and artist have to be provided for hashing")
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def __hash__(self):
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return self.__class__.hashFunc(name = self.name, artist = self.artist)
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def __eq__(self, other):
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if self.id and other.id:
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return self.id == other.id
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if self.mbid and other.mbid:
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return self.mbid == other.mbid
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if self.url and other.url:
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return self.url == other.url
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if (self.name and self.artist) and (other.name and other.artist):
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return (self.name == other.name) and (self.artist == other.artist)
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return super(Album, self).__eq__(other)
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def __lt__(self, other):
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return self.name < other.name
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def __repr__(self):
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return "<lastfm.Album: '%s' by %s>" % (self.name, self.artist.name)
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from datetime import datetime
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import time
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from api import Api
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from artist import Artist
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from error import LastfmInvalidParametersError
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from playlist import Playlist
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from stats import Stats
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from tag import Tag |