def get_recent_tracks(user, **kwargs):
return retry(lambda: objectify.fromstring(
urllib2.urlopen("http://ws.audioscrobbler.com/2.0/?" + urllib.urlencode(dict(method="user.getrecenttracks",
api_key=app.config["LAST_FM_API_KEY"],
user=user.username,
**kwargs))).read(),
objectify.makeparser(encoding="utf-8", recover=True)
), logger=logger)
def download_artist_similarities():
from lxml import objectify
import operator
from sqlalchemy.sql import func
import urllib
import urllib2
from themyutils.misc import retry
from bs4 import BeautifulSoup
import requests
artists = set(map(operator.itemgetter(0),
db.session.query(Artist.name).\
filter(Artist.id.in_(db.session.query(UserArtist.artist_id).\
filter(UserArtist.user_id.in_([6, 11]),
UserArtist.scrobbles > 250)))))
for artist in artists:
"""
artist_1 = db.session.query(Artist).filter(Artist.name == artist).first()
url = b"http://www.last.fm/ru/music/%s" % urllib.quote_plus(artist.encode("utf-8"), b"").replace(b"%2B", b"%252B")
for i, li in enumerate(BeautifulSoup(requests.get(url + b"/+similar").text).select("li.large-grid-wrapper")):
name = li.select("a.link-block-target")[0].text.strip()
artist_2 = db.session.query(Artist).filter(Artist.name == name).first()
if artist_2:
a1, a2 = tuple(sorted([artist_1, artist_2], key=lambda artist: artist.name.lower()))
if db.session.query(func.count(ArtistSimilarity.id)).\
filter(ArtistSimilarity.artist_1 == a1,
ArtistSimilarity.artist_2 == a2).\
scalar() == 0:
similarity = ArtistSimilarity()
similarity.artist_1 = a1
similarity.artist_2 = a2
similarity.match = 1 - i / 100
print(artist_1.name, artist_2.name, similarity.match)
db.session.add(similarity)
db.session.commit()
"""
#"""
xml = retry(lambda: objectify.fromstring(
urllib2.urlopen("http://ws.audioscrobbler.com/2.0/?" + urllib.urlencode(dict(method="artist.getSimilar",
api_key=app.config["LAST_FM_API_KEY"],
artist=artist.encode("utf-8")))).read(),
objectify.makeparser(encoding="utf-8", recover=True)
), max_tries=5, exceptions=((urllib2.HTTPError, lambda e: e.code not in [400]),))
for match in xml.similarartists.iter("artist"):
artist_2 = db.session.query(Artist).filter(Artist.name == unicode(match.name)).first()
if artist_2:
a1, a2 = tuple(sorted([artist_1, artist_2], key=lambda artist: artist.name.lower()))
if db.session.query(func.count(ArtistSimilarity.id)).\
filter(ArtistSimilarity.artist_1 == a1,
ArtistSimilarity.artist_2 == a2).\
scalar() == 0:
similarity = ArtistSimilarity()
similarity.artist_1 = a1
similarity.artist_2 = a2
similarity.match = float(match.match)
db.session.add(similarity)
db.session.commit()
def update_events():
artists = set([user_artist.artist.name
for user_artist in db.session.query(UserArtist).\
filter(UserArtist.scrobbles >= 100,
UserArtist.user_id.in_([6, 11]))])
try:
for artist in artists:
db_artist = db.session.query(Artist).filter(Artist.name == artist).one()
page = 1
pages = -1
while pages == -1 or page <= pages:
logger.debug("Opening %s's page %d of %d", artist, page, pages)
xml = retry(lambda: objectify.fromstring(
urllib2.urlopen("http://ws.audioscrobbler.com/2.0/?" + urllib.urlencode(dict(method="artist.getPastEvents",
api_key=app.config["LAST_FM_API_KEY"],
artist=artist.encode("utf-8"),
page=page))).read(),
objectify.makeparser(encoding="utf-8", recover=True)
), max_tries=5, exceptions=((urllib2.HTTPError, lambda e: e.code not in [400]),), logger=logger)
if pages == -1:
pages = int(xml.events.get("totalPages"))
found = False
for event in xml.events.iter("event"):
if not hasattr(event, "venue"):
continue
db_event = db.session.query(Event).get(int(event.id))
if db_event:
if db_artist in db_event.artists:
found = True
break
else:
db_event.artists.append(db_artist)
else:
db_event = Event()
db_event.id = int(event.id)
db_event.title = unicode(event.title)
db_event.datetime = dateutil.parser.parse(unicode(event.startDate))
db_event.url = unicode(event.url)
db_event.city = unicode(event.venue.location.city)
db_event.country = unicode(event.venue.location.country)
db_event.artists.append(db_artist)
db.session.add(db_event)
if found:
break
page = page + 1
db.session.commit()
except urllib2.HTTPError:
pass
def update_user_artists():
for u in db.session.query(User).\
filter(User.download_scrobbles == False,
(User.last_library_update == None) |\
(User.last_library_update <= datetime.now() - timedelta(days=7))):
session = db.create_scoped_session()
user = session.query(User).get(u.id)
session.query(UserArtist).\
filter(UserArtist.user == user).\
delete()
page = 1
pages = -1
while pages == -1 or page <= pages:
logger.debug("Opening %s's page %d of %d", user.username, page, pages)
xml = retry(lambda: objectify.fromstring(
urllib2.urlopen("http://ws.audioscrobbler.com/2.0/?" + urllib.urlencode(dict(method="library.getArtists",
api_key=app.config["LAST_FM_API_KEY"],
user=user.username,
limit=200,
page=page))).read(),
objectify.makeparser(encoding="utf-8", recover=True)
), logger=logger)
if pages == -1:
pages = int(xml.artists.get("totalPages"))
for artist in xml.artists.iter("artist"):
user_artist = UserArtist()
user_artist.user = user
user_artist.artist = unicode(artist.name)
user_artist.scrobbles = int(artist.playcount)
session.add(user_artist)
user.last_library_update = datetime.now()
page = page + 1
session.commit()