def search_on_amazon(asin, album, artist):
'''
Tries to locate the url of album by artis on amazon
Returns '' if it can't be found
'''
from amazonproduct import API
if not AMAZON_KEY or not AMAZON_SECRET or not AMAZON_ASSOCIATE_TAG:
return ''
api = API(AMAZON_KEY, AMAZON_SECRET, 'us')
try:
if asin:
node = api.item_lookup(asin, AssociateTag=AMAZON_ASSOCIATE_TAG)
for item in node.Items:
attributes = item.Item.ItemAttributes
if attributes.ProductGroup == 'Music':
url = item.Item.DetailPageURL
if url:
return url.text
node = api.item_search('MP3Downloads', Keywords=album + ' ' + artist, AssociateTag=AMAZON_ASSOCIATE_TAG)
for item in node.Items:
attributes = item.Item.ItemAttributes
if matching.match(artist, str(attributes.Creator)) \
and matching.match(album, str(attributes.Title)) \
and attributes.ProductGroup == 'Digital Music Album':
url = item.Item.DetailPageURL
if url:
return url.text
except :
pass
return ''
def match_up_albums(artist, mb_artist, logger):
'''Matches up the user albums by artist with the albums from musicbrainz'''
mb_albums = MBAlbum.objects.filter(artist=mb_artist)
for album in artist.album_set.all():
if album.mb_id:
continue
for mb_album in mb_albums:
if matching.match(album.name, mb_album.name):
logger.debug('direct match album %s to mb album %s', album,
mb_album)
album.mb_id = mb_album.mb_id
album.save()
break
else:
by_similarity = [(mba, matching.similarity(album.name, mba.name)) \
for mba in mb_albums]
by_similarity.sort(key=operator.itemgetter(1), reverse=True)
if by_similarity:
mb_album, similarity = by_similarity[0]
if similarity > 0.8:
logger.info('picking similar: album %s, mb_album %s, similarity %s', album, mb_album, similarity)
album.mb_id = mb_album.mb_id
album.save()
else:
logger.info('not close enough: album %s, mb_album %s, similarity %s', album, mb_album, similarity)
def test_match(self):
self.assertTrue(matching.match('ABC', 'abcd'))
self.assertFalse(matching.match('abcd', 'ABC'))
