code-talking
diff --git a/‎bigquery/google/cloud/bigquery/_helpers.py‎
Lines changed: 0 additions & 103 deletions b/‎bigquery/google/cloud/bigquery/_helpers.py‎
Lines changed: 0 additions & 103 deletions
@@ -314,109 +314,6 @@ def _snake_to_camel_case(value):
     return words[0] + ''.join(map(str.capitalize, words[1:]))
 
 
-class _ApiResourceProperty(object):
-    """Base property implementation.
-
-    Values will be stored on a `_properties` helper attribute of the
-    property's job instance.
-
-    :type name: str
-    :param name:  name of the property
-
-    :type resource_name: str
-    :param resource_name:  name of the property in the resource dictionary
-    """
-
-    def __init__(self, name, resource_name):
-        self.name = name
-        self.resource_name = resource_name
-
-    def __get__(self, instance, owner):
-        """Descriptor protocol:  accessor"""
-        if instance is None:
-            return self
-        return instance._properties.get(self.resource_name)
-
-    def _validate(self, value):
-        """Subclasses override to impose validation policy."""
-        raise NotImplementedError("Abstract")
-
-    def __set__(self, instance, value):
-        """Descriptor protocol:  mutator"""
-        self._validate(value)
-        instance._properties[self.resource_name] = value
-
-    def __delete__(self, instance):
-        """Descriptor protocol:  deleter"""
-        del instance._properties[self.resource_name]
-
-
-class _TypedApiResourceProperty(_ApiResourceProperty):
-    """Property implementation:  validates based on value type.
-
-    :type name: str
-    :param name:  name of the property
-
-    :type resource_name: str
-    :param resource_name:  name of the property in the resource dictionary
-
-    :type property_type: type or sequence of types
-    :param property_type: type to be validated
-    """
-    def __init__(self, name, resource_name, property_type):
-        super(_TypedApiResourceProperty, self).__init__(
-            name, resource_name)
-        self.property_type = property_type
-
-    def _validate(self, value):
-        """Ensure that 'value' is of the appropriate type.
-
-        :raises: ValueError on a type mismatch.
-        """
-        if value is None:
-            return
-        if not isinstance(value, self.property_type):
-            raise ValueError('Required type: %s' % (self.property_type,))
-
-
-class _ListApiResourceProperty(_ApiResourceProperty):
-    """Property implementation:  validates based on value type.
-
-    :type name: str
-    :param name:  name of the property
-
-    :type resource_name: str
-    :param resource_name:  name of the property in the resource dictionary
-
-    :type property_type: type or sequence of types
-    :param property_type: type to be validated
-    """
-    def __init__(self, name, resource_name, property_type):
-        super(_ListApiResourceProperty, self).__init__(
-            name, resource_name)
-        self.property_type = property_type
-
-    def __get__(self, instance, owner):
-        """Descriptor protocol:  accessor"""
-        if instance is None:
-            return self
-        return instance._properties.get(self.resource_name, [])
-
-    def _validate(self, value):
-        """Ensure that 'value' is of the appropriate type.
-
-        :raises: ValueError on a type mismatch.
-        """
-        if value is None:
-            raise ValueError((
-                'Required type: list of {}. '
-                'To unset, use del or set to empty list').format(
-                    self.property_type,))
-        if not all(isinstance(item, self.property_type) for item in value):
-            raise ValueError(
-                'Required type: list of %s' % (self.property_type,))
-
-
 def _item_to_row(iterator, resource):
     """Convert a JSON row to the native object.