<s> from flask import g , current_app as app <EOL> from shiva . models import LyricsCache <EOL> from shiva . utils import _import <EOL> class LyricScraper ( object ) : <EOL> """<STR_LIT:U+0020>""" <EOL> def __init__ ( self , artist , title ) : <EOL> self . artist = artist <EOL> self . title = title <EOL> self . lyrics = None <EOL> self . source = None <EOL> def fetch ( self ) : <EOL> raise NotImplementedError <EOL> def get_lyrics ( track ) : <EOL> try : <EOL> scrapers = app . config [ '<STR_LIT>' ] [ '<STR_LIT>' ] <EOL> except IndexError : <EOL> return None <EOL> for scraper_cls in scrapers : <EOL> Scraper = _import ( '<STR_LIT>' % scraper_cls ) <EOL> if issubclass ( Scraper , LyricScraper ) : <EOL> scraper = Scraper ( track . artist . name . encode ( '<STR_LIT:utf-8>' ) , <EOL> track . title . encode ( '<STR_LIT:utf-8>' ) ) <EOL> if scraper . fetch ( ) : <EOL> lyrics = LyricsCache ( source = scraper . source , track = track ) <EOL> g . db . session . add ( lyrics ) <EOL> g . db . session . commit ( ) <EOL> return lyrics <EOL> return None </s>
