Fixing encoding problem in Google Music

tagging.py

#!/usr/bin/env python

from gmusicapi.api import Api
from getpass import getpass

class Tagging:
	def __init__(self):
		self.api = Api()

		logged_in = False
		attempts = 0
		while not logged_in and attempts < 3:
			email = raw_input("Email: ")
			password = getpass()

			logged_in = self.api.login(email, password)
			attempts += 1

	def convert_library(self):
		print ">>> Loading metadata from server..."
		lib = self.api.get_all_songs()
		for s in lib:
			self.__convert_entry(s)
		print ">>> Uploading changes..."
		self.api.change_song_metadata(lib)
		print ">>> Done"


	def __convert_entry(self, entry):
		for k in entry.keys():
			entry[k] = self.__ascii(entry[k])

	def __ascii(self, s):
		if type(s) != unicode:
			return s

		try:
			s.decode('ascii')
		except UnicodeEncodeError:
			try:
				return unicode(s.encode('iso-8859-1'), 'cp950')
			except:
				return s
		else:
			return s