Something

	def DownloadBegin(self, signal):
		fraction = (100 / len(self.in_use))
		oldvalue = 0
		newvalue = oldvalue + fraction
		for i in self.in_use:
			self.gittext = i
			self.currentvalue = oldvalue + fraction
			oldvalue = self.currentvalue
			command = 'git://git.compiz-fusion.org' + i
			print command
			process = subprocess.Popen(["git", "clone", command])
			while process.Poll() is None:
				pass
			else:
				self.ProgressGit.set_value(self.currentvalue)
				self.ProgressGit.set_format_string(i + " %p%")