<s> from operator import itemgetter <EOL> from GenericCache . GenericCache import GenericCache <EOL> from utils import load_file , save_to_file , log <EOL> from base import RetrievableObject <EOL> cache = GenericCache ( ) <EOL> class RuleTemplate ( RetrievableObject ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , pk , ** kwargs ) : <EOL> self . id = pk <EOL> def test_rule ( self , token , rule ) : <EOL> to_tag = self . get_to_tag ( rule ) <EOL> if not self . is_candidate ( token , rule ) : <EOL> return <NUM_LIT:0> <EOL> elif token . has_verified_tag ( to_tag ) and not token . is_tagged ( to_tag ) : <EOL> return <NUM_LIT:1> <EOL> else : <EOL> return - <NUM_LIT:1> <EOL> def get_to_tag ( self , rule ) : <EOL> from_tag , to_tag , _ , complement = self . uncompile_rule ( rule ) <EOL> return to_tag <EOL> def apply_rule ( self , tokens , rule ) : <EOL> """<STR_LIT>""" <EOL> to_tag = self . get_to_tag ( rule ) <EOL> for token in tokens : <EOL> if self . is_candidate ( token , rule ) : <EOL> token . tag = to_tag <EOL> token . sample . reset_trainer_status ( ) <EOL> @ classmethod <EOL> def select_one ( cls , rules , MAX , minval = <NUM_LIT:2> ) : <EOL> """<STR_LIT>""" <EOL> coeff = <NUM_LIT:0.1> <EOL> g = lambda good , bad : ( float ( good ) / ( float ( good ) + float ( bad ) ) ) * ( ( float ( good ) / MAX ) ** coeff ) <EOL> try : <EOL> return sorted ( [ ( r [ <NUM_LIT:0> ] , g ( r [ <NUM_LIT:1> ] , r [ <NUM_LIT:2> ] ) ) for r in rules if r [ <NUM_LIT:1> ] / max ( r [ <NUM_LIT:2> ] , <NUM_LIT:1> ) >= minval ] , key = itemgetter ( <NUM_LIT:1> ) , reverse = True ) [ <NUM_LIT:0> ] <EOL> except IndexError : <EOL> return None , None <EOL> def make_rules ( self , token ) : <EOL> comp = self . get_complement ( token ) <EOL> if len ( comp ) > <NUM_LIT:0> : <EOL> return [ self . compile_rule ( token . tag , token . verified_tag , comp ) ] <EOL> return [ ] <EOL> def test_complement ( self , token , complement ) : <EOL> return complement == self . get_complement ( token ) <EOL> def is_candidate ( self , token , rule ) : <EOL> from_tag , to_tag , _ , complement = self . uncompile_rule ( rule ) <EOL> if ( from_tag and token . tag != from_tag ) or not self . test_complement ( token , complement ) : <EOL> return False <EOL> return True <EOL> class ContextualTemplateGenerator ( type ) : <EOL> register = dict ( ) <EOL> _loaded_rules = None <EOL> def __new__ ( mcs , name , base , dict ) : <EOL> theclass = type . __new__ ( mcs , name , base , dict ) <EOL> if name . isupper ( ) : <EOL> ContextualTemplateGenerator . register [ name ] = theclass <EOL> return theclass <EOL> @ classmethod <EOL> def get_instance ( cls , s , ** kwargs ) : <EOL> """<STR_LIT>""" <EOL> if s . count ( "<STR_LIT:U+0020>" ) > <NUM_LIT:0> : <EOL> _ , _ , name , _ = ContextualBaseTemplate . uncompile_rule ( s ) <EOL> else : <EOL> name = s <EOL> child_class = cls . register [ name ] <EOL> return child_class . get_or_create ( name , ContextualTemplateGenerator ) <EOL> @ classmethod <EOL> def export ( cls , rules ) : <EOL> """<STR_LIT>""" <EOL> save_to_file ( "<STR_LIT>" , <EOL> "<STR_LIT:\n>" . join ( rule for rule , score in rules ) ) <EOL> @ classmethod <EOL> def load ( cls ) : <EOL> """<STR_LIT>""" <EOL> if cls . _loaded_rules is None : <EOL> log ( "<STR_LIT>" , "<STR_LIT>" , True ) <EOL> lx = load_file ( "<STR_LIT>" ) <EOL> cls . _loaded_rules = [ r for r in lx . split ( u"<STR_LIT:\n>" ) if len ( r ) > <NUM_LIT:1> ] <EOL> return cls . _loaded_rules <EOL> class ContextualBaseTemplate ( RuleTemplate ) : <EOL> """<STR_LIT>""" <EOL> __metaclass__ = ContextualTemplateGenerator <EOL> _uncompiled_rules = { } <EOL> def compile_rule ( self , from_tag , to_tag , complement ) : <EOL> """<STR_LIT>""" <EOL> comp = "<STR_LIT:U+0020>" . join ( unicode ( c ) for c in complement ) <EOL> return u"<STR_LIT>" % ( from_tag , to_tag , self . __class__ . __name__ , comp ) <EOL> @ classmethod <EOL> def uncompile_rule ( self , rule ) : <EOL> try : <EOL> return self . _uncompiled_rules [ rule ] <EOL> except KeyError : <EOL> els = rule . split ( ) <EOL> self . _uncompiled_rules [ rule ] = els [ <NUM_LIT:0> ] , els [ <NUM_LIT:1> ] , els [ <NUM_LIT:2> ] , els [ <NUM_LIT:3> : ] <EOL> return self . _uncompiled_rules [ rule ] <EOL> class LexicalTemplateGenerator ( type ) : <EOL> register = dict ( ) <EOL> _loaded_rules = None <EOL> def __new__ ( mcs , name , base , dict ) : <EOL> theclass = type . __new__ ( mcs , name , base , dict ) <EOL> if name . islower ( ) : <EOL> LexicalTemplateGenerator . register [ name ] = theclass <EOL> return theclass <EOL> @ classmethod <EOL> def get_instance ( cls , s , lexicon ) : <EOL> """<STR_LIT>""" <EOL> if s . count ( "<STR_LIT:U+0020>" ) > <NUM_LIT:0> : <EOL> _ , _ , name , _ = LexicalBaseTemplate . uncompile_rule ( s ) <EOL> else : <EOL> name = s <EOL> child_class = cls . register [ name ] <EOL> return child_class . get_or_create ( name , LexicalTemplateGenerator , lexicon = lexicon ) <EOL> @ classmethod <EOL> def export ( cls , rules ) : <EOL> """<STR_LIT>""" <EOL> save_to_file ( "<STR_LIT>" , <EOL> "<STR_LIT:\n>" . join ( "<STR_LIT>" % ( rule , float ( score ) ) <EOL> for rule , score <EOL> in sorted ( rules , key = itemgetter ( <NUM_LIT:1> ) , reverse = True ) ) ) <EOL> @ classmethod <EOL> def load ( cls ) : <EOL> if cls . _loaded_rules is None : <EOL> log ( "<STR_LIT>" , "<STR_LIT>" , True ) <EOL> cls . _loaded_rules = [ ] <EOL> lx = load_file ( "<STR_LIT>" ) <EOL> for line in lx . split ( u"<STR_LIT:\n>" ) : <EOL> els = line . split ( u"<STR_LIT:\t>" ) <EOL> if els [ <NUM_LIT:0> ] != u"<STR_LIT>" : <EOL> cls . _loaded_rules . append ( els [ <NUM_LIT:0> ] ) <EOL> return cls . _loaded_rules <EOL> class LexicalBaseTemplate ( RuleTemplate ) : <EOL> """<STR_LIT>""" <EOL> __metaclass__ = LexicalTemplateGenerator <EOL> _uncompiled_rules = { } <EOL> def __init__ ( self , pk , ** kwargs ) : <EOL> self . id = pk <EOL> self . lexicon = kwargs [ "<STR_LIT>" ] <EOL> self . check_from_tag = self . __class__ . __name__ . startswith ( u"<STR_LIT:f>" ) <EOL> def compile_rule ( self , from_tag , to_tag , complement ) : <EOL> if self . check_from_tag : <EOL> return u"<STR_LIT>" % ( from_tag , unicode ( complement ) , self . __class__ . __name__ , len ( complement ) , to_tag ) <EOL> else : <EOL> return u"<STR_LIT>" % ( unicode ( complement ) , self . __class__ . __name__ , len ( complement ) , to_tag ) <EOL> @ classmethod <EOL> def _uncompile_rule ( cls , rule ) : <EOL> els = rule . split ( ) <EOL> for el in els : <EOL> if el in LexicalTemplateGenerator . register : <EOL> if u"<STR_LIT>" in el : <EOL> if el . startswith ( "<STR_LIT:f>" ) : <EOL> from_tag , complement , classname , to_tag = els <EOL> else : <EOL> complement , classname , to_tag = els <EOL> from_tag = None <EOL> else : <EOL> if el . startswith ( "<STR_LIT:f>" ) : <EOL> from_tag , complement , classname , _ , to_tag = els <EOL> else : <EOL> complement , classname , _ , to_tag = els <EOL> from_tag = None <EOL> break <EOL> cls . _uncompiled_rules [ rule ] = from_tag , to_tag , classname , complement <EOL> @ classmethod <EOL> def uncompile_rule ( cls , rule ) : <EOL> if not rule in cls . _uncompiled_rules : <EOL> cls . _uncompile_rule ( rule ) <EOL> return cls . _uncompiled_rules [ rule ] <EOL> def test_complement ( self , token , complement ) : <EOL> return complement in self . get_complement ( token ) <EOL> class ProximityCheckTemplate ( LexicalBaseTemplate ) : <EOL> def compile_rule ( self , from_tag , to_tag , complement ) : <EOL> """<STR_LIT>""" <EOL> if self . check_from_tag : <EOL> return u"<STR_LIT>" % ( from_tag , unicode ( complement ) , self . __class__ . __name__ , to_tag ) <EOL> else : <EOL> return u"<STR_LIT>" % ( unicode ( complement ) , self . __class__ . __name__ , to_tag ) <EOL> class NoLexiconCheckTemplate ( LexicalBaseTemplate ) : <EOL> def make_rules ( self , token ) : <EOL> final = [ ] <EOL> for affix in self . get_complement ( token ) : <EOL> to_tag = token . verified_tag <EOL> from_tag = token . tag <EOL> rule = self . compile_rule ( from_tag , to_tag , affix ) <EOL> final . append ( rule ) <EOL> return final <EOL> class LexiconCheckTemplate ( LexicalBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def make_rules ( self , token ) : <EOL> final = [ ] <EOL> for affix , ceased_tk in self . get_complement ( token ) : <EOL> if ceased_tk in self . lexicon : <EOL> to_tag = token . verified_tag <EOL> if self . check_from_tag : <EOL> rule = u"<STR_LIT>" % ( token . tag , unicode ( affix ) , self . __class__ . __name__ , len ( affix ) , to_tag ) <EOL> else : <EOL> rule = u"<STR_LIT>" % ( unicode ( affix ) , self . __class__ . __name__ , len ( affix ) , to_tag ) <EOL> final . append ( rule ) <EOL> return final <EOL> def test_complement ( self , token , complement ) : <EOL> """<STR_LIT>""" <EOL> return self . modified_token ( token , complement ) in self . lexicon <EOL> class deletesuf ( LexiconCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> """<STR_LIT>""" <EOL> final = [ ] <EOL> tlen = len ( token . original ) <EOL> for i in xrange ( <NUM_LIT:1> , min ( <NUM_LIT:5> + <NUM_LIT:1> , tlen ) ) : <EOL> affix = token . original [ tlen - i : tlen ] <EOL> ceased_tk = token . original [ : i ] <EOL> final . append ( ( affix , ceased_tk ) ) <EOL> return final <EOL> def test_complement ( self , token , complement ) : <EOL> """<STR_LIT>""" <EOL> return token [ - len ( complement ) : ] == complement and token [ : - len ( complement ) ] in self . lexicon <EOL> class fdeletesuf ( deletesuf ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class deletepref ( LexiconCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> final = [ ] <EOL> tlen = len ( token . original ) <EOL> for i in xrange ( <NUM_LIT:1> , min ( <NUM_LIT:5> , tlen ) ) : <EOL> ceased_tk = token . original [ i : ] <EOL> affix = token . original [ <NUM_LIT:0> : i ] <EOL> final . append ( ( affix , ceased_tk ) ) <EOL> return final <EOL> def test_complement ( self , token , complement ) : <EOL> """<STR_LIT>""" <EOL> return token [ : len ( complement ) ] == complement and token [ len ( complement ) : ] in self . lexicon <EOL> class fdeletepref ( deletepref ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class addpref ( LexiconCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> final = [ ] <EOL> if token . original in self . lexicon . factors : <EOL> for affix in self . lexicon . prefixes : <EOL> increased_tk = self . modified_token ( token , affix ) <EOL> final . append ( ( affix , increased_tk ) ) <EOL> return final <EOL> def modified_token ( self , token , complement ) : <EOL> return complement + token . original <EOL> class faddpref ( addpref ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class addsuf ( LexiconCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> final = [ ] <EOL> if token . original in self . lexicon . factors : <EOL> for affix in self . lexicon . suffixes : <EOL> increased_tk = self . modified_token ( token , affix ) <EOL> final . append ( ( affix , increased_tk ) ) <EOL> return final <EOL> def modified_token ( self , token , complement ) : <EOL> return token . original + complement <EOL> class faddsuf ( addsuf ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class hassuf ( NoLexiconCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> """<STR_LIT>""" <EOL> final = set ( ) <EOL> tlen = len ( token . original ) <EOL> for i in xrange ( <NUM_LIT:1> , min ( <NUM_LIT:5> + <NUM_LIT:1> , tlen ) ) : <EOL> affix = token . original [ tlen - i : tlen ] <EOL> if affix in self . lexicon . suffixes : <EOL> final . add ( affix ) <EOL> return final <EOL> class fhassuf ( hassuf ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class haspref ( NoLexiconCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> final = [ ] <EOL> tlen = len ( token . original ) <EOL> for i in xrange ( <NUM_LIT:1> , min ( <NUM_LIT:5> , tlen ) ) : <EOL> affix = token . original [ <NUM_LIT:0> : i ] <EOL> if affix in self . lexicon . prefixes : <EOL> final . append ( affix ) <EOL> return final <EOL> class fhaspref ( haspref ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class goodright ( NoLexiconCheckTemplate , ProximityCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> return [ unicode ( t . original ) for t in token . get_neighbors ( - <NUM_LIT:1> ) ] <EOL> class fgoodright ( goodright ) : <EOL> pass <EOL> class goodleft ( NoLexiconCheckTemplate , ProximityCheckTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> return [ unicode ( t . original ) for t in token . get_neighbors ( <NUM_LIT:1> ) ] <EOL> class fgoodleft ( goodleft ) : <EOL> pass <EOL> class WordBasedTemplate ( ContextualBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> args = self . get_target ( ) <EOL> return [ unicode ( e . original ) for e in token . get_neighbors ( * args ) ] <EOL> class TagBasedTemplate ( ContextualBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> args = self . get_target ( ) <EOL> return [ e . verified_tag for e in token . get_neighbors ( * args ) ] <EOL> class WordTagBasedTemplate ( ContextualBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> args = self . get_target ( ) <EOL> nbors = token . get_neighbors ( * args ) <EOL> if nbors : <EOL> return [ unicode ( nbors [ <NUM_LIT:0> ] . original ) , nbors [ <NUM_LIT:1> ] . verified_tag ] <EOL> else : <EOL> return [ ] <EOL> class TagWordBasedTemplate ( ContextualBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_complement ( self , token ) : <EOL> args = self . get_target ( ) <EOL> nbors = token . get_neighbors ( * args ) <EOL> if nbors : <EOL> return [ nbors [ <NUM_LIT:0> ] . verified_tag , unicode ( nbors [ <NUM_LIT:1> ] ) ] <EOL> else : <EOL> return [ ] <EOL> class NEXTBIGRAM ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return <NUM_LIT:1> , <NUM_LIT:2> <EOL> class PREVBIGRAM ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return - <NUM_LIT:2> , - <NUM_LIT:1> <EOL> class OrTemplate ( ContextualBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def test_complement ( self , token , complement ) : <EOL> return complement [ <NUM_LIT:0> ] in self . get_complement ( token ) <EOL> def make_rules ( self , token ) : <EOL> nb = self . get_complement ( token ) <EOL> final = [ ] <EOL> if len ( nb ) > <NUM_LIT:0> : <EOL> for w in nb : <EOL> final += [ self . compile_rule ( token . tag , token . verified_tag , [ w ] ) ] <EOL> return final <EOL> class NEXT1OR2OR3TAG ( OrTemplate , TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return <NUM_LIT:1> , <NUM_LIT:2> , <NUM_LIT:3> <EOL> class NEXT1OR2TAG ( OrTemplate , TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return <NUM_LIT:1> , <NUM_LIT:2> <EOL> class PREV1OR2OR3TAG ( OrTemplate , TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return - <NUM_LIT:3> , - <NUM_LIT:2> , - <NUM_LIT:1> <EOL> class PREV1OR2TAG ( OrTemplate , TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return - <NUM_LIT:2> , - <NUM_LIT:1> <EOL> class NEXTTAG ( TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( <NUM_LIT:1> , ) <EOL> class NEXT2TAG ( TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( <NUM_LIT:2> , ) <EOL> class PREVTAG ( TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( - <NUM_LIT:1> , ) <EOL> class PREV2TAG ( TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( - <NUM_LIT:2> , ) <EOL> class SURROUNDTAG ( TagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return - <NUM_LIT:1> , <NUM_LIT:1> <EOL> class NEXT1OR2WD ( OrTemplate , WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return <NUM_LIT:1> , <NUM_LIT:2> <EOL> class NEXT2WD ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( <NUM_LIT:2> , ) <EOL> class NEXTWD ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( <NUM_LIT:1> , ) <EOL> class CURWD ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( <NUM_LIT:0> , ) <EOL> class PREV1OR2WD ( OrTemplate , WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return - <NUM_LIT:2> , - <NUM_LIT:1> <EOL> class PREV2WD ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( - <NUM_LIT:2> , ) <EOL> class PREVWD ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( - <NUM_LIT:1> , ) <EOL> class WDAND2BFR ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( - <NUM_LIT:2> , <NUM_LIT:0> ) <EOL> class WDAND2AFT ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( <NUM_LIT:0> , <NUM_LIT:2> ) <EOL> class LBIGRAM ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( - <NUM_LIT:1> , <NUM_LIT:0> ) <EOL> class RBIGRAM ( WordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return ( <NUM_LIT:0> , <NUM_LIT:1> ) <EOL> class WDAND2TAGAFT ( WordTagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return <NUM_LIT:0> , <NUM_LIT:2> <EOL> class WDAND2TAGBFR ( TagWordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return - <NUM_LIT:2> , <NUM_LIT:0> <EOL> class WDNEXTTAG ( WordTagBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return <NUM_LIT:0> , <NUM_LIT:1> <EOL> class WDPREVTAG ( TagWordBasedTemplate ) : <EOL> """<STR_LIT>""" <EOL> def get_target ( self ) : <EOL> return - <NUM_LIT:1> , <NUM_LIT:0> <EOL> class LemmatizerTemplateGenerator ( type ) : <EOL> register = dict ( ) <EOL> _loaded_rules = None <EOL> def __new__ ( mcs , name , base , dict ) : <EOL> theclass = type . __new__ ( mcs , name , base , dict ) <EOL> if name . isupper ( ) : <EOL> LemmatizerTemplateGenerator . register [ name ] = theclass <EOL> return theclass <EOL> @ classmethod <EOL> def get_instance ( cls , s , ** kwargs ) : <EOL> """<STR_LIT>""" <EOL> if s . count ( "<STR_LIT:U+0020>" ) > <NUM_LIT:0> : <EOL> name = s . split ( "<STR_LIT:U+0020>" ) [ <NUM_LIT:1> ] <EOL> else : <EOL> name = s <EOL> child_class = cls . register [ name ] <EOL> return child_class . get_or_create ( name , LemmatizerTemplateGenerator ) <EOL> @ classmethod <EOL> def export ( cls , rules ) : <EOL> """<STR_LIT>""" <EOL> save_to_file ( "<STR_LIT>" , <EOL> "<STR_LIT:\n>" . join ( "<STR_LIT>" % ( rule , float ( score ) ) <EOL> for rule , score <EOL> in rules ) ) <EOL> @ classmethod <EOL> def load ( cls ) : <EOL> if cls . _loaded_rules is None : <EOL> log ( "<STR_LIT>" , "<STR_LIT>" , True ) <EOL> lx = load_file ( "<STR_LIT>" ) <EOL> cls . _loaded_rules = [ ] <EOL> for line in lx . split ( u"<STR_LIT:\n>" ) : <EOL> els = line . split ( u"<STR_LIT:\t>" ) <EOL> if els [ <NUM_LIT:0> ] != u"<STR_LIT>" : <EOL> cls . _loaded_rules . append ( els [ <NUM_LIT:0> ] ) <EOL> return cls . _loaded_rules <EOL> class LemmatizerBaseTemplate ( RetrievableObject ) : <EOL> """<STR_LIT>""" <EOL> __metaclass__ = LemmatizerTemplateGenerator <EOL> def __init__ ( self , pk , ** kwargs ) : <EOL> self . id = pk <EOL> def make_rules ( self , token ) : <EOL> pass <EOL> def compile_rule ( self ) : <EOL> pass <EOL> def test_rule ( self , token , rule ) : <EOL> pass <EOL> def is_candidate ( self , token , rule ) : <EOL> from_tag = self . uncompile_rule ( rule ) [ <NUM_LIT:0> ] <EOL> return token . tag == from_tag <EOL> def uncompile_rule ( self , rule ) : <EOL> return rule . split ( "<STR_LIT:U+0020>" ) <EOL> def __unicode__ ( self ) : <EOL> return u"<STR_LIT>" % ( self . __class__ . __name__ , self . id ) <EOL> class MAKELOWER ( LemmatizerBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def make_rules ( self , token ) : <EOL> if token . lemme [ <NUM_LIT:0> ] . isupper ( ) : <EOL> return [ self . compile_rule ( token . tag ) ] <EOL> else : <EOL> return [ ] <EOL> def compile_rule ( self , tag ) : <EOL> return '''<STR_LIT>''' % ( tag , self . __class__ . __name__ ) <EOL> def test_rule ( self , token , rule ) : <EOL> if not self . is_candidate ( token , rule ) : <EOL> return <NUM_LIT:0> <EOL> elif token . verified_lemme [ <NUM_LIT:0> ] == token . lemme [ <NUM_LIT:0> ] . lower ( ) : <EOL> return <NUM_LIT:1> <EOL> else : <EOL> return - <NUM_LIT:1> <EOL> def apply_rule ( self , tokens , rule ) : <EOL> for token in tokens : <EOL> if self . is_candidate ( token , rule ) : <EOL> token . lemme = token . lemme . lower ( ) <EOL> token . sample . reset_trainer_status ( ) <EOL> class CHANGESUFFIX ( LemmatizerBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def make_rules ( self , token ) : <EOL> """<STR_LIT>""" <EOL> final_rules = set ( ) <EOL> for i in xrange ( <NUM_LIT:1> , len ( token ) + <NUM_LIT:1> ) : <EOL> suffix = token . lemme [ - i : ] <EOL> stem = token . lemme [ : - i ] <EOL> if token . verified_lemme [ : len ( stem ) ] == stem : <EOL> final_rules . add ( self . compile_rule ( token . tag , suffix , token . verified_lemme [ len ( stem ) : ] ) ) <EOL> return final_rules <EOL> def compile_rule ( self , tag , to_delete , to_add ) : <EOL> return '''<STR_LIT>''' % ( tag , self . __class__ . __name__ , to_delete , to_add ) <EOL> def uncompile_rule ( self , rule ) : <EOL> els = rule . split ( "<STR_LIT:U+0020>" ) <EOL> return els [ <NUM_LIT:0> ] , els [ <NUM_LIT:2> ] [ <NUM_LIT:1> : - <NUM_LIT:1> ] , els [ <NUM_LIT:3> ] [ <NUM_LIT:1> : - <NUM_LIT:1> ] <EOL> def is_candidate ( self , token , rule ) : <EOL> tag , to_delete , to_add = self . uncompile_rule ( rule ) <EOL> return token . tag == tag and token . lemme [ - len ( to_delete ) : ] == to_delete <EOL> def test_rule ( self , token , rule ) : <EOL> tag , to_delete , to_add = self . uncompile_rule ( rule ) <EOL> if not self . is_candidate ( token , rule ) : <EOL> return <NUM_LIT:0> <EOL> elif token . verified_lemme == token . lemme [ : - len ( to_delete ) ] + to_add : <EOL> return <NUM_LIT:1> <EOL> else : <EOL> return - <NUM_LIT:1> <EOL> def apply_rule ( self , tokens , rule ) : <EOL> tag , to_delete , to_add = self . uncompile_rule ( rule ) <EOL> for token in tokens : <EOL> if self . is_candidate ( token , rule ) : <EOL> token . lemme = token . lemme [ : - len ( to_delete ) ] + to_add <EOL> token . sample . reset_trainer_status ( ) <EOL> class FORCELEMME ( LemmatizerBaseTemplate ) : <EOL> """<STR_LIT>""" <EOL> def make_rules ( self , token ) : <EOL> return [ self . compile_rule ( token . tag , token . verified_lemme ) ] <EOL> def compile_rule ( self , tag , lemme ) : <EOL> return '''<STR_LIT>''' % ( tag , self . __class__ . __name__ , lemme ) <EOL> def is_candidate ( self , token , rule ) : <EOL> tag , _ , lemme = self . uncompile_rule ( rule ) <EOL> return token . tag == tag <EOL> def test_rule ( self , token , rule ) : <EOL> tag , _ , lemme = self . uncompile_rule ( rule ) <EOL> if not self . is_candidate ( token , rule ) : <EOL> return <NUM_LIT:0> <EOL> elif token . verified_lemme == lemme : <EOL> return <NUM_LIT:1> <EOL> else : <EOL> return - <NUM_LIT:1> <EOL> def apply_rule ( self , tokens , rule ) : <EOL> tag , _ , lemme = self . uncompile_rule ( rule ) <EOL> for token in tokens : <EOL> if self . is_candidate ( token , rule ) : <EOL> token . lemme = lemme <EOL> token . sample . reset_trainer_status ( ) </s>
