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bpo-42135: Deprecate implementations of find_module() and find_loader() (GH-25169)

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Brett Cannon 2021-04-06 08:56:57 -07:00 • committed by GitHub
parent efccff9ac8
commit 57c6cb5100
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20 changed files with 3821 additions and 3653 deletions
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20
Lib/importlib/abc.py
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@ -41,15 +41,27 @@ class Finder(metaclass=abc.ABCMeta):
Deprecated since Python 3.3
"""
def __init__(self):
warnings.warn("the Finder ABC is deprecated and "
"slated for removal in Python 3.12; use MetaPathFinder "
"or PathEntryFinder instead",
DeprecationWarning)
@abc.abstractmethod
def find_module(self, fullname, path=None):
"""An abstract method that should find a module.
The fullname is a str and the optional path is a str or None.
Returns a Loader object or None.
"""
warnings.warn("importlib.abc.Finder along with its find_module() "
"method are deprecated and "
"slated for removal in Python 3.12; use "
"MetaPathFinder.find_spec() or "
"PathEntryFinder.find_spec() instead",
DeprecationWarning)
class MetaPathFinder(Finder):
class MetaPathFinder(metaclass=abc.ABCMeta):
"""Abstract base class for import finders on sys.meta_path."""
@ -68,8 +80,8 @@ class MetaPathFinder(Finder):
"""
warnings.warn("MetaPathFinder.find_module() is deprecated since Python "
"3.4 in favor of MetaPathFinder.find_spec() "
"(available since 3.4)",
"3.4 in favor of MetaPathFinder.find_spec() and is "
"slated for removal in Python 3.12",
DeprecationWarning,
stacklevel=2)
if not hasattr(self, 'find_spec'):
@ -86,7 +98,7 @@ _register(MetaPathFinder, machinery.BuiltinImporter, machinery.FrozenImporter,
machinery.PathFinder, machinery.WindowsRegistryFinder)
class PathEntryFinder(Finder):
class PathEntryFinder(metaclass=abc.ABCMeta):
"""Abstract base class for path entry finders used by PathFinder."""