def load_file()

in cassette/cassette_library.py [0:0]


    def load_file(self):
        """Load MockedResponses from YAML file."""
        data = {}
        filename = self.filename

        if not os.path.exists(filename):
            log.info("File '{f}' does not exist.".format(f=filename))
            return data

        # Open and read in the file
        with open(filename) as f:
            encoded_str = f.read()
        encoded_hash = _hash(encoded_str)

        # If the contents are cached, return them
        cached_result = CassetteLibrary.cache.get(filename, None)
        if cached_result and cached_result['hash'] == encoded_hash:
            return cached_result['data']

        # Otherwise, parse the contents
        content = self.encoder.load(encoded_str)

        if content:
            for k, v in content.items():
                mock_response_class = MockedHTTPResponse
                data[k] = mock_response_class.from_dict(v)

        # Cache the file for later
        self.save_to_cache(file_hash=encoded_hash, data=data)

        return data