<s> from __future__ import unicode_literals <EOL> from urllib import unquote_plus <EOL> from django . shortcuts import get_object_or_404 <EOL> from . models import DocumentMetadata , MetadataType <EOL> def decode_metadata_from_url ( url_dict ) : <EOL> """<STR_LIT>""" <EOL> metadata_dict = { <EOL> '<STR_LIT:id>' : { } , <EOL> '<STR_LIT:value>' : { } <EOL> } <EOL> metadata_list = [ ] <EOL> for key , value in url_dict . items ( ) : <EOL> if '<STR_LIT>' in key : <EOL> index , element = key [ <NUM_LIT:8> : ] . split ( '<STR_LIT:_>' ) <EOL> metadata_dict [ element ] [ index ] = value <EOL> for order , identifier in metadata_dict [ '<STR_LIT:id>' ] . items ( ) : <EOL> if order in metadata_dict [ '<STR_LIT:value>' ] . keys ( ) : <EOL> metadata_list . append ( { <EOL> '<STR_LIT:id>' : identifier , <EOL> '<STR_LIT:value>' : metadata_dict [ '<STR_LIT:value>' ] [ order ] <EOL> } ) <EOL> return metadata_list <EOL> def save_metadata_list ( metadata_list , document , create = False ) : <EOL> """<STR_LIT>""" <EOL> for item in metadata_list : <EOL> save_metadata ( item , document , create ) <EOL> def save_metadata ( metadata_dict , document , create = False ) : <EOL> """<STR_LIT>""" <EOL> if create : <EOL> document_metadata , created = DocumentMetadata . objects . get_or_create ( <EOL> document = document , <EOL> metadata_type = get_object_or_404 ( <EOL> MetadataType , <EOL> pk = metadata_dict [ '<STR_LIT:id>' ] ) <EOL> ) <EOL> else : <EOL> try : <EOL> document_metadata = DocumentMetadata . objects . get ( <EOL> document = document , <EOL> metadata_type = get_object_or_404 ( <EOL> MetadataType , <EOL> pk = metadata_dict [ '<STR_LIT:id>' ] <EOL> ) , <EOL> ) <EOL> except DocumentMetadata . DoesNotExist : <EOL> document_metadata = None <EOL> if document_metadata : <EOL> document_metadata . value = unquote_plus ( metadata_dict [ '<STR_LIT:value>' ] ) <EOL> document_metadata . save ( ) <EOL> def metadata_repr ( metadata_list ) : <EOL> """<STR_LIT>""" <EOL> return '<STR_LIT:U+002CU+0020>' . join ( metadata_repr_as_list ( metadata_list ) ) <EOL> def metadata_repr_as_list ( metadata_list ) : <EOL> """<STR_LIT>""" <EOL> output = [ ] <EOL> for metadata_dict in metadata_list : <EOL> try : <EOL> output . append ( '<STR_LIT>' % ( MetadataType . objects . get ( <EOL> pk = metadata_dict [ '<STR_LIT:id>' ] ) , metadata_dict . get ( '<STR_LIT:value>' , '<STR_LIT>' ) ) ) <EOL> except : <EOL> pass <EOL> return output <EOL> def convert_dict_to_dict_list ( dictionary ) : <EOL> result = [ ] <EOL> for key , value in dictionary . items ( ) : <EOL> try : <EOL> metadata_type = MetadataType . objects . get ( name = key ) <EOL> except MetadataType . DoesNotExist : <EOL> raise ValueError ( '<STR_LIT>' ) <EOL> result . append ( { '<STR_LIT:id>' : metadata_type . pk , '<STR_LIT:value>' : value } ) <EOL> return result <EOL> def set_bulk_metadata ( document , metadata_dictionary ) : <EOL> document_type = document . document_type <EOL> document_type_metadata_types = [ <EOL> document_type_metadata_type . metadata_type for document_type_metadata_type in document_type . metadata . all ( ) <EOL> ] <EOL> for metadata_type_name , value in metadata_dictionary . items ( ) : <EOL> metadata_type = MetadataType . objects . get ( name = metadata_type_name ) <EOL> if metadata_type in document_type_metadata_types : <EOL> DocumentMetadata . objects . get_or_create ( <EOL> document = document , metadata_type = metadata_type , value = value <EOL> ) </s>
