diff --git a/CHANGES.rst b/CHANGES.rst index bab2571b..1bc5222e 100644 --- a/CHANGES.rst +++ b/CHANGES.rst @@ -1,10 +1,17 @@ -v6.1.1 +v6.2.1 ====== * #442: Fixed issue introduced in v6.1.0 where non-importable names (metadata dirs) began appearing in ``packages_distributions``. +v6.2.0 +====== + +* #384: ``PackageMetadata`` now stipulates an additional ``get`` + method allowing for easy querying of metadata keys that may not + be present. + v6.1.0 ====== diff --git a/importlib_metadata/_meta.py b/importlib_metadata/_meta.py index 8621c680..e27d34aa 100644 --- a/importlib_metadata/_meta.py +++ b/importlib_metadata/_meta.py @@ -18,6 +18,14 @@ def __getitem__(self, key: str) -> str: def __iter__(self) -> Iterator[str]: ... # pragma: no cover + @overload + def get(self, name: str, failobj: None = None) -> Optional[str]: + ... # pragma: no cover + + @overload + def get(self, name: str, failobj: _T) -> Union[str, _T]: + ... # pragma: no cover + # overload per python/importlib_metadata#435 @overload def get_all(self, name: str, failobj: None = None) -> Optional[List[Any]]: diff --git a/tests/test_api.py b/tests/test_api.py index 2932c2d2..6dbce1fc 100644 --- a/tests/test_api.py +++ b/tests/test_api.py @@ -148,6 +148,20 @@ def test_missing_key_legacy(self): with suppress_known_deprecation(): assert md['does-not-exist'] is None + def test_get_key(self): + """ + Getting a key gets the key. + """ + md = metadata('egginfo-pkg') + assert md.get('Name') == 'egginfo-pkg' + + def test_get_missing_key(self): + """ + Requesting a missing key will return None. + """ + md = metadata('distinfo-pkg') + assert md.get('does-not-exist') is None + @staticmethod def _test_files(files): root = files[0].root