Exemplo n.º 1
0
 def decode(data):
     value = data.get(attribute)
     if value is None:
         return False
     if isinstance(value, six.text_type):
         if encoding == utils.ENCODING:
             return False
         value = utils.safe_binary(value)
     data[attribute] = convert_with_fallbacks(value, attribute, encoding,
                                              encoding_fallbacks)
     return True
Exemplo n.º 2
0
 def __persistent_load(self, reference):
     """Load a persistent reference. The reference might changed
     according a renaming rules. We give back a special object to
     represent that reference, and not the real object designated
     by the reference.
     """
     # This takes care of returning the OID as bytes in order to convert
     # a database to Python 3.
     if isinstance(reference, tuple):
         oid, cls_info = reference
         if isinstance(cls_info, tuple):
             cls_info = self.__update_symb(cls_info)
         return ZODBReference((utils.safe_binary(oid), cls_info))
     if isinstance(reference, list):
         if len(reference) == 1:
             oid, = reference
             return ZODBReference(['w', (utils.safe_binary(oid))])
         mode, information = reference
         if mode == 'm':
             database_name, oid, cls_info = information
             if isinstance(cls_info, tuple):
                 cls_info = self.__update_symb(cls_info)
             return ZODBReference(
                 ['m', (database_name, utils.safe_binary(oid), cls_info)])
         if mode == 'n':
             database_name, oid = information
             return ZODBReference(
                 ['m', (database_name, utils.safe_binary(oid))])
         if mode == 'w':
             if len(information) == 1:
                 oid, = information
                 return ZODBReference(['w', (utils.safe_binary(oid))])
             oid, database_name = information
             return ZODBReference(
                 ['w', (utils.safe_binary(oid), database_name)])
     if isinstance(reference, (str, zodbpickle.binary)):
         oid = reference
         return ZODBReference(utils.safe_binary(oid))
     raise AssertionError('Unknown reference format.')
Exemplo n.º 3
0
 def __reduce_ex__(self, protocol):
     type_info, args = super(Time, self).__reduce_ex__(protocol)
     assert len(args) > 0
     return (datetime.time, (utils.safe_binary(args[0]), ) + args[1:])
Exemplo n.º 4
0
 def __reduce__(self):
     type_info, args = super(Date, self).__reduce__()
     assert len(args) > 0
     return (datetime.date, (utils.safe_binary(args[0]), ) + args[1:])
Exemplo n.º 5
0
 def encode(data):
     value = data.get(attribute)
     if value is not None and not isinstance(value, zodbpickle.binary):
         data[attribute] = utils.safe_binary(value)
         return True
     return False