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from PyQt4 import QtGui,QtCore
import re
import os
import os.path
from thread import start_new_thread
from traceback import print_exc
import webbrowser
import urllib
from misc import *
from clMonty import monty
from clPlugin import *
class ResetEvent(QtCore.QEvent):
song=None
def __init__(self, song=None):
QtCore.QEvent.__init__(self,QtCore.QEvent.User)
self.song=song
class AddHtmlEvent(QtCore.QEvent):
html=None
def __init__(self,html):
QtCore.QEvent.__init__(self,QtCore.QEvent.User)
self.html=html
class AddTextEvent(QtCore.QEvent):
text=None
def __init__(self,text):
QtCore.QEvent.__init__(self,QtCore.QEvent.User)
self.text=text
LYRICS_ENGINE_DEFAULT='http://www.google.com/search?q=lyrics+"$artist"+"$title"'
LYRICS_SITES_DEFAULT='azlyrics.com <br><br>.*?<br><br>(.*?)<br><br>\n'\
'oldielyrics.com song_in_top2.*?<br><br>(.*?)<script\n'\
'lyricstime.com phone-left.gif.*?<p>(.*?)</p>\n'\
'lyricsfire.com class="lyric">.*?Song.*?<br>(.*?)</pre>\n'\
'lyricsfreak.com <div.*?id="content".*?>(.*?)</div>\n'
LYRICS_DOWNLOADTO_DEFAULT='~/.lyrics/$artist/$artist - $title.txt'
class wgLyrics(QtGui.QWidget):
" contains the lyrics"
txtView=None # text-object
curLyrics=None # current lyrics
btnEdit=None
btnRefetch=None
btnSave=None
btnSearch=None
editMode=False
lyFormat=None
p=None # plugin
def __init__(self, p, parent=None):
QtGui.QWidget.__init__(self, parent)
self.p=p
self.curLyrics=""
self.btnEdit=Button("Edit lyrics", self.onBtnEditClick)
self.btnRefetch=Button("Refetch", self.onBtnRefetchClick)
self.btnSave=Button("Save lyrics", self.onBtnSaveClick)
self.btnSearch=Button("Search www", self.onBtnSearch)
self.txtView=QtGui.QTextEdit(parent)
self.txtView.setReadOnly(True)
self.setMode(False)
layout=QtGui.QVBoxLayout()
hlayout=QtGui.QHBoxLayout()
layout.addLayout(hlayout)
hlayout.addWidget(self.btnEdit)
hlayout.addWidget(self.btnSave)
hlayout.addWidget(self.btnRefetch)
hlayout.addWidget(self.btnSearch)
layout.addWidget(self.txtView)
self.setLayout(layout)
def setMode(self, mode):
self.editMode=mode
self.btnSave.setVisible(mode)
self.btnEdit.setVisible(not mode)
self.txtView.setReadOnly(not mode)
def onBtnSearch(self):
SE=self.p.getSetting('engine')
f=format.compile(SE)
SE_url=toAscii(f(format.params(monty.getCurrentSong())))
webbrowser.open(urllib.quote(SE_url, ":/+?="))
def onBtnEditClick(self):
self.setMode(True)
self.txtView.setPlainText(self.curLyrics)
def onBtnSaveClick(self):
self.setMode(False)
self.curLyrics=self.txtView.toPlainText()
file=open(self.getLyricsFilePath(monty.getCurrentSong()), 'w')
file.write(self.curLyrics)
file.close()
# just to test if everything's still fine
self.fetchLyrics(monty.getCurrentSong())
def onBtnRefetchClick(self):
# force refetch
lyFName=self.getLyricsFilePath(monty.getCurrentSong())
try:
os.remove(lyFName)
except:
pass
self.refresh()
def refresh(self):
# if we're editing while song changes, too bad: we don't save, for the moment!
if self.editMode:
self.setMode(False)
self.lyFormat=format.compile(self.p.getSetting('downloadto'))
song=monty.getCurrentSong()
try:
song._data['file']
except:
self.resetTxt()
return
self.resetTxt(song)
start_new_thread(self.fetchLyrics, (song,))
def customEvent(self, event):
if isinstance(event,ResetEvent):
self.resetTxt(event.song)
elif isinstance(event,AddTextEvent):
self.txtView.insertPlainText(event.text)
elif isinstance(event,AddHtmlEvent):
self.txtView.insertHtml(event.html)
def getLyricsFilePath(self, song):
params={'music_dir': mpdSettings.get('music_directory')}
path=self.lyFormat(format.params(song, params))
return toAscii(os.path.expanduser(path))
_mutex=QtCore.QMutex()
_fetchCnt=0
def fetchLyrics(self, song):
# only allow 1 instance to look lyrics!
self._mutex.lock()
if self._fetchCnt:
self._mutex.unlock()
return
self._fetchCnt=1
self._mutex.unlock()
QtCore.QCoreApplication.postEvent(self, ResetEvent(song))
lyFName=self.getLyricsFilePath(song)
self.p.debug("checking %s"%(lyFName))
self.curLyrics=""
# does the file exist? if yes, read that one!
try:
file=open(lyFName, 'r')
self.curLyrics=file.read()
file.close()
QtCore.QCoreApplication.postEvent(self, AddTextEvent(self.curLyrics))
self._fetchCnt=0
self.p.extended("Fetch lyrics from file")
return
except Exception, e:
self.p.debug("fail - %s"%(str(e)))
# fetch from inet
QtCore.QCoreApplication.postEvent(self, AddHtmlEvent('<i>Searching lyrics ...</i>'))
self.p.extended("Fetch lyrics from internet")
lines=self.p.getSetting('sites').split('\n')
sites={}
for line in lines:
if line.strip():
sites[line[0:line.find('\t')]]=line[line.find('\t'):].strip()
# construct URL to search!
SE=self.p.getSetting('engine')
try:
ret=fetch(SE, sites, song, {})
QtCore.QCoreApplication.postEvent(self, ResetEvent(song))
if ret:
self.p.extended("Success!")
self.curLyrics=ret[0]
# save for later use!
if lyFName:
# we can't save if the path isn't correct
try:
self.p.extended("Saving to %s"%(lyFName))
try:
# fails when dir exists
os.makedirs(os.path.dirname(os.path.expanduser(lyFName)))
except Exception, e:
pass
file=open(lyFName, 'w')
file.write(self.curLyrics)
file.close()
except Exception, e:
# probably a wrong path!
self.p.normal("Failed to write lyrics %s"%(str(e)))
else:
self.curLyrics=""
txt="No lyrics found :'("
self.p.extended("Lyrics not found!")
QtCore.QCoreApplication.postEvent(self, AddTextEvent(txt))
QtCore.QCoreApplication.postEvent(self, AddTextEvent(self.curLyrics))
if ret:
QtCore.QCoreApplication.postEvent(self, AddHtmlEvent('<br /><br /><a href="%s">%s</a>'%(ret[1],ret[1])))
except Exception, e:
QtCore.QCoreApplication.postEvent(self, ResetEvent(song))
QtCore.QCoreApplication.postEvent(self, AddHtmlEvent('Woops, error! Possible causes:'\
'<br />no internet connection?'\
'<br />site unavailable'\
'<br />an error in the fetching regular expression'\
'<br />(exception: %s)'%(str(e))))
self._fetchCnt=0
def resetTxt(self, song=None):
self.txtView.clear()
if song:
self.txtView.insertHtml('<b>%s</b>\n<br /><u>%s</u><br />'\
'<br />\n\n'%(song.getTitle(), song.getArtist()))
class pluginLyrics(Plugin):
o=None
def __init__(self, winMain):
Plugin.__init__(self, winMain, 'Lyrics')
self.addMontyListener('onSongChange', self.refresh)
self.addMontyListener('onReady', self.refresh)
self.addMontyListener('onDisconnect', self.onDisconnect)
def _load(self):
self.o=wgLyrics(self, None)
self.o.refresh()
def _unload(self):
self.o=None
def getInfo(self):
return "Show (and fetch) the lyrics of the currently playing song."
def _getDockWidget(self):
return self._createDock(self.o)
def refresh(self, params):
self.o.refresh()
def onDisconnect(self, params):
self.o.resetTxt()
def _getSettings(self):
sites=QtGui.QTextEdit()
sites.insertPlainText(self.getSetting('sites'))
return [
['engine', 'Search engine', 'The URL that is used to search. $artist, $title and $album are replaced in the URL.', QtGui.QLineEdit(self.getSetting('engine'))],
['sites', 'Sites & regexes', 'This field contains all sites, together with the regex needed to fetch the lyrics.\nEvery line must look like this: $domain $regex-start(.*?)$regex-end\n$domain is the domain of the lyrics website, $regex-start is the regex indicating the start of the lyrics, $regex-end indicates the end. E.g. foolyrics.org <lyrics>(.*?)</lyrics>', sites],
['downloadto', 'Target', 'Specifies where to save lyrics fetched from internet to.\nPossible tags: music_dir, file, artist, title, album', QtGui.QLineEdit(self.getSetting('downloadto'))],
]
def afterSaveSettings(self):
self.o.refresh()
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