def fetch_digests(self, package_name: str, package_version: str) -> dict:
report = {}<EOL>for source in self._sources:<EOL><INDENT>try:<EOL><INDENT>report[source.url] = source.get_package_hashes(package_name, package_version)<EOL><DEDENT>except NotFound as exc:<EOL><INDENT>_LOGGER.debug(<EOL>f"<STR_LIT>"<EOL>f"<STR_LIT>"<EOL>)<EOL><DEDENT><DEDENT>return report<EOL>
Fetch digests for the given package in specified version from the given package index.