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# -*- coding: utf-8 -*-
# This file is part of emesene.
#
# Emesene is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# emesene is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with emesene; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# This is a reduced version of Audioscrobbler Plugin (from exaile).
#
# Thanks to "Andy Theyers <andy@isotoma.com>"
#
import Plugin
import urllib
import datetime
import md5
import re
import time
import urllib2
import socket
class AudioScrobbler:
"""
Provide the ability to post tracks played to a user's Last.fm
account
"""
def __init__(self,username=u'',password=u''):
# Capture the information passed for future use
self.params = dict(username=username,
password=password,
client_name=u'tst',
client_version=u'1.0',
protocol_version=u'1.1',
host=u'post.audioscrobbler.com')
self.auth_details = {}
self.last_shake = None
self.authenticated = False
self.posturl = None
socket.setdefaulttimeout(2)
def updatecfg(self,username=u'',password=u''):
self.params['username'] = username
self.params['password'] = password
self.authenticated = False
def auth(self):
""" Authenticate against the server """
if self.authenticated:
return True
now = datetime.datetime.utcnow()
interval = datetime.timedelta(minutes=30)
if self.last_shake is not None and self.last_shake + interval > now:
last_shake_string = self.last_shake.strftime("%Y-%m-%d %H:%M:%S")
print "Tried to reauthenticate too soon after last try (last try at %s)" % last_shake_string
return False
p = {}
p['hs'] = 'true'
p['u'] = self.params['username']
p['c'] = self.params['client_name']
p['v'] = self.params['client_version']
p['p'] = self.params['protocol_version']
plist = [(k, urllib.quote_plus(v.encode('utf8'))) for k, v in p.items()]
authparams = urllib.urlencode(plist)
url = 'http://%s/?%s' % (self.params['host'], authparams)
req = urllib2.Request(url)
try:
url_handle = urllib2.urlopen(req)
except:
self.authenticated = False
print "Connection Error: %s" % req
return False
self.last_shake = datetime.datetime.utcnow()
response = url_handle.readlines()
if len(response) == 0:
print "Connection Error: no response"
# Get the interval if there is one
find_interval = re.match('INTERVAL (\d+)', response[-1])
username = self.params['username']
password = self.params['password']
# First we test the best and most likely case
if response[0].startswith('UPTODATE'):
ask = response[1].strip()
answer = md5.md5(md5.md5(password).hexdigest() + ask).hexdigest()
self.auth_details['u'] = urllib.quote_plus(username.encode('utf8'))
self.auth_details['s'] = answer
self.posturl = response[2].strip()
self.authenticated = True
# Next we test the least significant failure.
elif response[0].startswith('UPDATE'):
ask = response[1].strip()
answer = md5.md5(md5.md5(password).hexdigest() + ask).hexdigest()
self.auth_details['u'] = urllib.quote_plus(username.encode('utf8'))
self.auth_details['s'] = answer
self.posturl = response[2].strip()
self.authenticated = True
# Then the various failure states....
elif response[0].startswith('BADUSER'):
self.authenticated = False
print "Error Username '%s' unknown by Last.fm" % username
return False
elif response[0].startswith('FAILED'):
self.authenticated = False
reason = response[0][6:]
print "Error %s" % reason
return False
else:
self.authenticated = False
print "Unknown response from server: %r" % (response,)
return False
return True
def post(self,
artist_name,
song_title,
sane_length,
date_played,
album=u'',
mbid=u''):
track = {'a[%s]': artist_name.decode('utf8', 'replace').encode('utf8'),
't[%s]': song_title.decode('utf8', 'replace').encode('utf8'),
'l[%s]': str(sane_length),
'i[%s]': date_played,
'b[%s]': album.decode('utf8', 'replace').encode('utf8'),
'm[%s]': mbid.encode('utf8'),
}
params = {}
count = 0
for k in track.keys():
track[k] = urllib.quote(track[k].encode('utf-8'))
params[k % (count,)] = track[k]
if not self.auth():
return False
params.update(self.auth_details)
postdata = '&'.join(['%s=%s' % (k, v) for k, v in params.iteritems()])
try:
req = urllib2.Request(url=self.posturl, data=postdata)
url_handle = urllib2.urlopen(req)
response = url_handle.readlines()
except:
print 'Connection Error %s' % req
return False
if len(response) == 0:
return False
# Test the various responses possibilities:
if response[0].startswith('OK'):
return True
elif response[0].startswith('BADAUTH'):
print 'Connection Error: Got BADAUTH'
self.authenticated = False
return False
elif response[0].startswith('FAILED'):
reason = response[0][6:].strip()
print 'Connection Error %s' % reason
return False
else:
print "Connection Error: Server returned something unexpected"
return False
class MainClass( Plugin.Plugin ):
'''Main plugin class'''
def __init__( self, controller, msn ):
'''Constructor'''
Plugin.Plugin.__init__( self, controller, msn)
self.description = _( 'Send information to last.fm' )
self.authors = { 'Mattia \'matz\' Pini' : 'matz.mz at gmail dot com' }
self.website = ''
self.displayName = _( 'Last.fm' )
self.name = 'lastfm'
self.config = controller.config
self.config.readPluginConfig(self.name)
self.controller = controller
self.password = self.config.getPluginValue( self.name, 'pass', '' )
self.username = self.config.getPluginValue( self.name, 'user', '' )
self.lastfm = AudioScrobbler(self.username,self.password)
self.cache = []
def on_currentmediaChange(self,msnp,user,cm, dict):
if dict == None:
return
lt = time.gmtime(time.time())
date = "%02d-%02d-%02d %02d:%02d:%02d" % (lt[0], lt[1], lt[2],lt[3], lt[4], lt[5])
if dict['artist'] != '' or dict['title'] != '' or dict['album'] != '':
self.cache.append((dict['artist'],dict['title'],200,date,dict['album']))
for element in self.cache[:]:
print "Posting %s" % str(element)
if self.lastfm.post(*element):
self.cache.remove(element)
else:
break
def start( self ):
self.scmcId = self.controller.msn.connect( 'self-current-media-changed', self.on_currentmediaChange)
self.enabled = True
def stop( self ):
self.controller.msn.disconnect( self.scmcId )
self.enabled = False
def check( self ):
return ( True, 'Ok' )
def configure( self ):
conf = []
conf.append( Plugin.Option( 'user', str, _('Username:'), '',
self.config.getPluginValue( self.name, 'user', self.username )) )
conf.append( Plugin.Option( 'pass', 'passwd', _('Password:'), '',
self.config.getPluginValue( self.name, 'pass', self.password )) )
configWindow = Plugin.ConfigWindow( 'Last.fm', conf )
response = configWindow.run()
if response != None:
if response.has_key( 'user' ):
self.username = response[ 'user' ].value
self.config.setPluginValue( self.name, 'user', self.username )
if response.has_key( 'pass' ):
self.password = response[ 'pass' ].value
self.config.setPluginValue( self.name, 'pass', self.password )
self.lastfm.updatecfg(self.username,self.password)
return True
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