<s> from form_designer import settings as app_settings <EOL> from django . core . files . base import File <EOL> from django . forms . forms import NON_FIELD_ERRORS <EOL> from django . utils . translation import ugettext_lazy as _ <EOL> from django . db . models . fields . files import FieldFile <EOL> from django . template . defaultfilters import filesizeformat <EOL> import os <EOL> import hashlib , uuid <EOL> def get_storage ( ) : <EOL> return app_settings . FILE_STORAGE_CLASS ( ) <EOL> def clean_files ( form ) : <EOL> total_upload_size = <NUM_LIT:0> <EOL> for field in form . file_fields : <EOL> uploaded_file = form . cleaned_data . get ( field . name , None ) <EOL> msg = None <EOL> if uploaded_file is None : <EOL> if field . required : <EOL> msg = _ ( '<STR_LIT>' ) <EOL> else : <EOL> continue <EOL> else : <EOL> total_upload_size += uploaded_file . _size <EOL> if not os . path . splitext ( uploaded_file . name ) [ <NUM_LIT:1> ] . lstrip ( '<STR_LIT:.>' ) . lower ( ) in app_settings . ALLOWED_FILE_TYPES : <EOL> msg = _ ( '<STR_LIT>' ) <EOL> elif uploaded_file . _size > app_settings . MAX_UPLOAD_SIZE : <EOL> msg = _ ( '<STR_LIT>' ) % { '<STR_LIT>' : filesizeformat ( app_settings . MAX_UPLOAD_SIZE ) , <EOL> '<STR_LIT:size>' : filesizeformat ( uploaded_file . _size ) } <EOL> if msg : <EOL> form . _errors [ field . name ] = form . error_class ( [ msg ] ) <EOL> if total_upload_size > app_settings . MAX_UPLOAD_TOTAL_SIZE : <EOL> msg = _ ( '<STR_LIT>' ) % { "<STR_LIT>" : filesizeformat ( app_settings . MAX_UPLOAD_TOTAL_SIZE ) , "<STR_LIT>" : filesizeformat ( total_upload_size ) } <EOL> if NON_FIELD_ERRORS in form . _errors : <EOL> form . _errors [ NON_FIELD_ERRORS ] . append ( msg ) <EOL> else : <EOL> form . _errors [ NON_FIELD_ERRORS ] = form . error_class ( [ msg ] ) <EOL> return form . cleaned_data <EOL> def handle_uploaded_files ( form_definition , form ) : <EOL> files = [ ] <EOL> if form_definition . save_uploaded_files and len ( form . file_fields ) : <EOL> storage = get_storage ( ) <EOL> secret_hash = hashlib . sha1 ( str ( uuid . uuid4 ( ) ) ) . hexdigest ( ) [ : <NUM_LIT:10> ] <EOL> for field in form . file_fields : <EOL> uploaded_file = form . cleaned_data . get ( field . name , None ) <EOL> if uploaded_file is None : <EOL> continue <EOL> valid_file_name = storage . get_valid_name ( uploaded_file . name ) <EOL> root , ext = os . path . splitext ( valid_file_name ) <EOL> filename = storage . get_available_name ( <EOL> os . path . join ( app_settings . FILE_STORAGE_DIR , <EOL> form_definition . name , <EOL> '<STR_LIT>' % ( root , secret_hash , ext ) ) ) <EOL> storage . save ( filename , uploaded_file ) <EOL> form . cleaned_data [ field . name ] = StoredUploadedFile ( filename ) <EOL> files . append ( storage . path ( filename ) ) <EOL> return files <EOL> class StoredUploadedFile ( FieldFile ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , name ) : <EOL> File . __init__ ( self , None , name ) <EOL> self . field = self <EOL> @ property <EOL> def storage ( self ) : <EOL> return get_storage ( ) <EOL> def save ( self , * args , ** kwargs ) : <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def delete ( self , * args , ** kwargs ) : <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def __unicode__ ( self ) : <EOL> return self . name </s>
