def __delete__(self, instance):
"""
Deletter of field (=
"""
if instance is not None:
if self._field_name in instance:
del instance[self._field_name]
else:
raise AttributeError("'%(type_name)s' object has no attribute '%(field_name)s'" %
{'type_name': type_name(instance), 'field_name': self._field_name})
def __get__(self, instance, owner):
"""
Getter of field
"""
if instance is None:
return self
else:
if self._field_name in instance:
return instance[self._field_name]
raise AttributeError("'%(type_name)s' object has no attribute '%(field_name)s'" %
{'type_name': type_name(owner), 'field_name': self._field_name})
def __delete__(self, instance):
"""
Deletter of field (=
"""
if instance is not None:
if self._field_name in instance:
del instance[self._field_name]
else:
raise AttributeError(
"'%(type_name)s' object has no attribute '%(field_name)s'"
% {
'type_name': type_name(instance),
'field_name': self._field_name
})
def __get__(self, instance, owner):
"""
Getter of field
"""
if instance is None:
return self
else:
if self._field_name in instance:
return instance[self._field_name]
raise AttributeError(
"'%(type_name)s' object has no attribute '%(field_name)s'" % {
'type_name': type_name(owner),
'field_name': self._field_name
})
def __init__(self, field_type=None, field_name=None):
"""
Construct a new field
:param field_type: type which field would store. If set to None it could
store any type.
:param field_name: name of field in mongo document. If set to None it
would be the same as field name. Any two field in one model can't
have the same `field_name`.
"""
if field_type is not None and not isinstance(field_type, basestring) and \
not check_mongo_type(field_type):
raise TypeError("Invalid mongo type %(type)s" % {'type': type_name(field_type)})
self._field_type = field_type
self._field_name = field_name
def __init__(self, field_type=None, field_name=None):
"""
Construct a new field
:param field_type: type which field would store. If set to None it could
store any type.
:param field_name: name of field in mongo document. If set to None it
would be the same as field name. Any two field in one model can't
have the same `field_name`.
"""
if field_type is not None and not isinstance(field_type, basestring) and \
not check_mongo_type(field_type):
raise TypeError("Invalid mongo type %(type)s" %
{'type': type_name(field_type)})
self._field_type = field_type
self._field_name = field_name
def __repr__(self):
params = u" ".join((key + u"=" + repr(value) for key, value in self.viewitems()))
return u"<%(class_name)s %(params)s>" % {"class_name": type_name(self), "params": params}
def test_type_name(self):
self.assertEqual("unicode", utils.type_name(u"some_str"))
self.assertEqual("unicode", utils.type_name(unicode))
self.assertEqual("object", utils.type_name(object()))
self.assertEqual("object", utils.type_name(object))
def cast_to_class(cls, value):
if not isinstance(value, (list, )):
raise TypeError("Value should be list, not %(type)s" %
{'type': type_name(value)})
item_generator = (cls.cast_inner_item(item) for item in value)
return cls(item_generator)
def cast_to_class(cls, value):
if not isinstance(value, (list, )):
raise TypeError("Value should be list, not %(type)s" % {'type': type_name(value)})
item_generator = (cls.cast_inner_item(item) for item in value)
return cls(item_generator)