grid_search.py 文件源码

def get_hash(self, x):
        # TODO: cached for strings and paths.
        # Need to generalize the reading of:
        #   1) file paths
        #   2) small strings
        #   3) python_objects
        if isinstance(x, (dict, bytes)) or not os.path.isfile(x):  # use function cache.
            return self._get_hash_from_hashable(self._transform_to_hashable(x))
        # For files.
        hash_obj = self.hash_function()
        iter_of_bytes = open(x, 'rb')
        try:
            data = iter_of_bytes.read(io.DEFAULT_BUFFER_SIZE)
            while data:
                hash_obj.update(data)
                data = iter_of_bytes.read(io.DEFAULT_BUFFER_SIZE)
        finally:
            iter_of_bytes.close()
        return hash_obj.digest()