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from PyQt4 import QtCore, QtGui
import re
import urllib2, httplib, cookielib
import socket
socket.setdefaulttimeout(8)
appIcon=QtGui.QIcon('gfx/icon.png')
eventLoop=QtCore.QEventLoop()
def doEvents():
"""Make some time for necessary events."""
eventLoop.processEvents(QtCore.QEventLoop.AllEvents)
def sec2min(secs):
"""Converts seconds to min:sec."""
min=int(secs/60)
sec=secs%60
if sec<10:sec='0'+str(sec)
return str(min)+':'+str(sec)
def numeric_compare(x, y):
if x>y:
return 1
elif x==y:
return 0
return -1
def unique(seq):
"""Retrieve list of unique elements."""
seen = []
return t(c for c in seq if not (c in seen or seen.append(c)))
def format(string, song=None, xtra_tags={}):
"""Replace all tags in $str with their respective value."""
# what tags are available?
if song:
tags=song._data
else:
tags={}
for tag in xtra_tags:
tags[tag]=xtra_tags[tag]
ret=string
# first perform some functions: $name(value)
func=re.compile('\$[a-z]{2}\(', re.MULTILINE|re.IGNORECASE)
start=0
loops=20 # my stupidity is endless, so we better make sure to never always loop!
while True and loops>0:
loops-=1
match=func.search(ret[start:])
if not match:
break
# we've found a match!
# look for matching parenthesis!
start+=match.start() # we have to add, because we start search from $start!
end=ret.find('(', start)+1
balance=1
while balance>0 and end<len(ret):
if ret[end]==')':balance-=1
if ret[end]=='(':balance+=1
end+=1 # can do better
# whole function is in ret[start:end]
# find function-name
name=ret[start+1:ret.find('(', start)]
result=None # result of this function
if name=='if':
# $if(param,if-true)
comma=ret.find(',',start)
param1=ret[start+len('$if('):comma]
param2=ret[comma+1:end-1]
result=''
if param1[1:] in tags:
result=param2
else:
start+=1
if result!=None:
ret=("%s%s%s")%(ret[0:start], result, ret[end:])
# perform all replacements!
for tag in tags:
ret=ret.replace('$%s'%(tag), str(tags[tag]))
return ret
def fetch(SE, sites, song=None, xtra_tags={}):
"""Returns None when nothing found, or [site,source-url]."""
url=format(SE, song, xtra_tags)
url=url.replace(' ', '+')
request=urllib2.Request(url)
request.add_header('User-Agent', 'montypc')
opener=urllib2.build_opener()
data=opener.open(request).read()
# look for urls on the search page!
regex=re.compile('<a href="(.*?)".*?>.*?<\/a>')
urls=regex.findall(data)
# look for predefined urls, which are good lyrics-sites
# we assume they are in order of importance; the first one matching
# is taken
finalURL=None
finalRegex=None
for url in urls:
if finalURL:
break
for site in sites:
if url.find(site)>=0:
finalURL=url
finalRegex=sites[site]
break
match=None
if finalURL:
cj = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
r = opener.open(finalURL)
data=r.read()
regex=re.compile(finalRegex, re.IGNORECASE|re.MULTILINE|re.DOTALL)
match=regex.search(data)
if match:
data=match.group(1)
data=data.replace('<br>', '<br />')
data=data.replace('<br />', '<br />')
data=data.strip()
return [data,finalURL]
return None
class Button(QtGui.QPushButton):
iconSize=32
"""A simple Button class which calls $onClick when clicked."""
def __init__(self, caption, onClick=None, iconPath=None, iconOnly=False, parent=None):
QtGui.QPushButton.__init__(self, parent)
if onClick:
self.connect(self, QtCore.SIGNAL('clicked(bool)'), onClick)
if iconPath:
self.changeIcon(iconPath)
if not(iconPath and iconOnly):
QtGui.QPushButton.setText(self, caption)
self.setToolTip(caption)
def setText(self, caption):
self.setToolTip(caption)
if self.icon()==None:
self.setText(caption)
def changeIcon(self, iconPath):
icon=QtGui.QIcon()
icon.addFile(iconPath, QtCore.QSize(self.iconSize, self.iconSize))
self.setIcon(icon)
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