<s> from django . http import Http404 <EOL> from django . utils . translation import ugettext as _ <EOL> from molly . conf . applications import app_by_local_name <EOL> from molly . apps . places import get_entity <EOL> from molly . apps . places . models import Entity <EOL> class LibrarySearchQuery : <EOL> """<STR_LIT>""" <EOL> STOP_WORDS = frozenset ( ( <EOL> _ ( "<STR_LIT>" ) ) . split ( '<STR_LIT:U+002C>' ) ) <EOL> class InconsistentQuery ( ValueError ) : <EOL> def __init__ ( self , msg ) : <EOL> self . msg = msg <EOL> @ staticmethod <EOL> def _clean_isbn ( isbn ) : <EOL> """<STR_LIT>""" <EOL> isbn = isbn . replace ( '<STR_LIT:*>' , '<STR_LIT:X>' ) <EOL> isbn = '<STR_LIT>' . join ( c for c in isbn if ( c in '<STR_LIT>' ) ) <EOL> return isbn <EOL> @ staticmethod <EOL> def _clean_input ( input ) : <EOL> """<STR_LIT>""" <EOL> cleaned = [ ] <EOL> removed = set ( ) <EOL> for word in input . split ( '<STR_LIT:U+0020>' ) : <EOL> if word in LibrarySearchQuery . STOP_WORDS : <EOL> removed . add ( word ) <EOL> else : <EOL> cleaned . append ( word ) <EOL> return '<STR_LIT:U+0020>' . join ( cleaned ) , frozenset ( removed ) <EOL> def __init__ ( self , title = None , author = None , isbn = None , issn = None ) : <EOL> """<STR_LIT>""" <EOL> if isbn and issn : <EOL> raise self . InconsistentQuery ( <EOL> _ ( "<STR_LIT>" ) ) <EOL> if ( title or author ) and ( isbn or issn ) : <EOL> raise self . InconsistentQuery ( <EOL> _ ( "<STR_LIT>" ) ) <EOL> if not ( title or author or isbn or issn ) : <EOL> raise self . InconsistentQuery ( <EOL> _ ( "<STR_LIT>" ) ) <EOL> self . removed = set ( ) <EOL> if title : <EOL> self . title , removed = self . _clean_input ( title ) <EOL> self . removed |= removed <EOL> else : <EOL> self . title = None <EOL> if author : <EOL> self . author , removed = self . _clean_input ( author ) <EOL> self . removed |= removed <EOL> else : <EOL> self . author = None <EOL> if isbn : <EOL> self . isbn = self . _clean_isbn ( isbn ) <EOL> else : <EOL> self . isbn = None <EOL> if issn : <EOL> self . issn = self . _clean_isbn ( issn ) <EOL> else : <EOL> self . issn = None <EOL> class LibrarySearchResult ( object ) : <EOL> """<STR_LIT>""" <EOL> id = '<STR_LIT>' <EOL> """<STR_LIT>""" <EOL> title = '<STR_LIT>' <EOL> """<STR_LIT>""" <EOL> publisher = '<STR_LIT>' <EOL> """<STR_LIT>""" <EOL> author = '<STR_LIT>' <EOL> """<STR_LIT>""" <EOL> description = '<STR_LIT>' <EOL> """<STR_LIT>""" <EOL> edition = '<STR_LIT>' <EOL> """<STR_LIT>""" <EOL> copies = <NUM_LIT:0> <EOL> """<STR_LIT>""" <EOL> holding_libraries = <NUM_LIT:0> <EOL> """<STR_LIT>""" <EOL> isbns = [ ] <EOL> """<STR_LIT>""" <EOL> issns = [ ] <EOL> """<STR_LIT>""" <EOL> holdings = { } <EOL> """<STR_LIT>""" <EOL> AVAIL_UNAVAILABLE , AVAIL_UNKNOWN , AVAIL_STACK , AVAIL_REFERENCE , AVAIL_AVAILABLE = range ( <NUM_LIT:5> ) <EOL> def simplify_for_render ( self , simplify_value , simplify_model ) : <EOL> return { <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : self . id , <EOL> '<STR_LIT>' : self . control_number , <EOL> '<STR_LIT:title>' : self . title , <EOL> '<STR_LIT>' : self . publisher , <EOL> '<STR_LIT>' : self . author , <EOL> '<STR_LIT:description>' : self . description , <EOL> '<STR_LIT>' : self . edition , <EOL> '<STR_LIT>' : self . copies , <EOL> '<STR_LIT>' : self . holding_libraries , <EOL> '<STR_LIT>' : simplify_value ( self . isbns ) , <EOL> '<STR_LIT>' : simplify_value ( self . issns ) , <EOL> '<STR_LIT>' : simplify_value ( self . libraries ) , <EOL> } <EOL> def __unicode__ ( self ) : <EOL> return self . title <EOL> class Library ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , location ) : <EOL> self . location = tuple ( location ) <EOL> def __unicode__ ( self ) : <EOL> return "<STR_LIT:/>" . join ( self . location ) <EOL> __repr__ = __unicode__ <EOL> def __hash__ ( self ) : <EOL> return hash ( ( type ( self ) , self . location ) ) <EOL> def __eq__ ( self , other ) : <EOL> return self . location == other . location <EOL> def get_entity ( self ) : <EOL> """<STR_LIT>""" <EOL> if hasattr ( app_by_local_name ( '<STR_LIT>' ) , '<STR_LIT>' ) : <EOL> library_identifier = app_by_local_name ( '<STR_LIT>' ) . library_identifier <EOL> try : <EOL> return get_entity ( library_identifier , '<STR_LIT:/>' . join ( self . location ) ) <EOL> except ( Http404 , Entity . MultipleObjectsReturned ) : <EOL> return None <EOL> else : <EOL> return None <EOL> def simplify_for_render ( self , simplify_value , simplify_model ) : <EOL> entity = self . get_entity ( ) <EOL> return { <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : simplify_value ( self . location ) , <EOL> '<STR_LIT>' : simplify_value ( entity ) , <EOL> '<STR_LIT>' : entity . title if entity else "<STR_LIT:/>" . join ( self . location ) , <EOL> } <EOL> class LibrarySearchError ( Exception ) : <EOL> def __init__ ( self , message ) : <EOL> self . message = message <EOL> def __repr__ ( self ) : <EOL> return '<STR_LIT>' % ( self . __class__ . __name__ , self . message ) </s>
