Returns the path of a cached resource.

        Args:
            url: The url of the resource

        Returns:
            The path to the cached resource or None if not in the cache

def get_path(self, url):
        """Returns the path of a cached resource.

        Args:
            url: The url of the resource

        Returns:
            The path to the cached resource or None if not in the cache
        """
        cache_path = self._url_to_path(url)
        if os.path.exists(cache_path):
            return cache_path

        return None