Current File : //lib/x86_64-linux-gnu/rhythmbox/plugins/lyrics/AstrawebParser.py
# -*- Mode: python; coding: utf-8; tab-width: 8; indent-tabs-mode: t; -*-
#
# Copyright (C) 2007 James Livingston
# Copyright (C) 2007 Sirio Bolaños Puchet
#
# This program 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, or (at your option)
# any later version.
#
# The Rhythmbox authors hereby grant permission for non-GPL compatible
# GStreamer plugins to be used and distributed together with GStreamer
# and Rhythmbox. This permission is above and beyond the permissions granted
# by the GPL license by which Rhythmbox is covered. If you modify this code
# you may extend this exception to your version of the code, but you are not
# obligated to do so. If you do not wish to do so, delete this exception
# statement from your version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
import urllib.parse
import re
import rb
# these numbers pulled directly from the air
artist_match = 0.8
title_match = 0.5
class AstrawebParser (object):
def __init__(self, artist, title):
self.artist = artist
self.title = title
def search(self, callback, *data):
wartist = urllib.parse.quote_plus(self.artist)
wtitle = urllib.parse.quote_plus(self.title)
wurl = 'http://search.lyrics.astraweb.com/?word=%s+%s' % (wartist, wtitle)
loader = rb.Loader()
loader.get_url (wurl, self.got_results, callback, *data)
def got_results (self, result, callback, *data):
if result is None:
callback (None, *data)
return
result = result.decode('iso-8859-1') # no indication of anything else..
results = re.sub('\n', '', re.sub('\r', '', result))
if re.search('(<tr><td bgcolor="#BBBBBB".*)(More Songs >)', results) is not None:
body = re.split('(<tr><td bgcolor="#BBBBBB".*)(More Songs >)', results)[1]
entries = re.split('<tr><td bgcolor="#BBBBBB"', body)
entries.pop(0)
print("found %d entries; looking for [%s,%s]" % (len(entries), self.title, self.artist))
for entry in entries:
url = re.split('(\/display[^"]*)', entry)[1]
artist = re.split('(Artist:.*html">)([^<]*)', entry)[2].strip()
title = re.split('(\/display[^>]*)([^<]*)', entry)[2][1:].strip()
if self.artist != "":
artist_str = rb.string_match(self.artist, artist)
else:
artist_str = artist_match + 0.1
title_str = rb.string_match(self.title, title)
print("checking [%s,%s]: match strengths [%f,%f]" % (title.strip(), artist.strip(), title_str, artist_str))
if title_str > title_match and artist_str > artist_match:
loader = rb.Loader()
loader.get_url ('http://display.lyrics.astraweb.com' + url, self.parse_lyrics, callback, *data)
return
callback (None, *data)
return
def parse_lyrics(self, result, callback, *data):
if result is None:
callback (None, *data)
return
result = result.decode('iso-8859-1')
result = re.sub('\n', '', re.sub('\r', '', result))
artist_title = re.split('(<title>Lyrics: )([^<]*)', result)[2]
artist = artist_title.split( " - " )[0]
title = artist_title.split( " - " )[1]
title = "%s - %s\n\n" % (artist, title)
lyrics = re.split('(<font face=arial size=2>)(.*)(<\/font><br></td><td*)', result)[2]
lyrics = title + lyrics
lyrics = re.sub('<[Bb][Rr][^>]*>', '\n', lyrics)
lyrics += "\n\nLyrics provided by lyrics.astraweb.com"
callback (lyrics, *data)
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