diff options
| -rw-r--r-- | Lib/importlib/metadata/__init__.py | 5 | ||||
| -rw-r--r-- | Lib/importlib/resources/_common.py | 5 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2024-03-20-23-07-58.gh-issue-109653.uu3lrX.rst | 2 |
3 files changed, 9 insertions, 3 deletions
diff --git a/Lib/importlib/metadata/__init__.py b/Lib/importlib/metadata/__init__.py index c8e59ca..245f905 100644 --- a/Lib/importlib/metadata/__init__.py +++ b/Lib/importlib/metadata/__init__.py @@ -18,7 +18,7 @@ import itertools import posixpath import collections -from . import _adapters, _meta +from . import _meta from ._collections import FreezableDefaultDict, Pair from ._functools import method_cache, pass_none from ._itertools import always_iterable, unique_everseen @@ -456,6 +456,9 @@ class Distribution(DeprecatedNonAbstract): Custom providers may provide the METADATA file or override this property. """ + # deferred for performance (python/cpython#109829) + from . import _adapters + opt_text = ( self.read_text('METADATA') or self.read_text('PKG-INFO') diff --git a/Lib/importlib/resources/_common.py b/Lib/importlib/resources/_common.py index a390253..e18082f 100644 --- a/Lib/importlib/resources/_common.py +++ b/Lib/importlib/resources/_common.py @@ -12,8 +12,6 @@ import itertools from typing import Union, Optional, cast from .abc import ResourceReader, Traversable -from ._adapters import wrap_spec - Package = Union[types.ModuleType, str] Anchor = Package @@ -109,6 +107,9 @@ def from_package(package: types.ModuleType): Return a Traversable object for the given package. """ + # deferred for performance (python/cpython#109829) + from ._adapters import wrap_spec + spec = wrap_spec(package) reader = spec.loader.get_resource_reader(spec.name) return reader.files() diff --git a/Misc/NEWS.d/next/Library/2024-03-20-23-07-58.gh-issue-109653.uu3lrX.rst b/Misc/NEWS.d/next/Library/2024-03-20-23-07-58.gh-issue-109653.uu3lrX.rst new file mode 100644 index 0000000..38d7634 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-03-20-23-07-58.gh-issue-109653.uu3lrX.rst @@ -0,0 +1,2 @@ +Deferred select imports in importlib.metadata and importlib.resources for a +14% speedup. |