parameters: (self, pool=None)
docstring: Initializes a new factory.
docstring_summary: Initializes a new factory.
docstring_tokens: Initializes a new factory .
function: def __init__(self, pool=None):
      """Initializes a new factory."""
      self.pool = pool or descriptor_pool.DescriptorPool()
  
      # local cache of all classes built from protobuf descriptors
      self._classes = {}
function_tokens: def __init__ ( self , pool = None ) : self . pool = pool or descriptor_pool . DescriptorPool ( ) # local cache of all classes built from protobuf descriptors self . _classes = { }