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bpo-43720: Update import-related stdlib deprecation messages to say they will be removed in Python 3.12 (GH-25167)

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Brett Cannon 2021-04-03 15:31:15 -07:00 • committed by GitHub
parent c5354c045c
commit dc6d3e1e4c
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5 changed files with 16 additions and 7 deletions
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3
Lib/imp.py
View file

@ -28,7 +28,8 @@
import types import types
import warnings import warnings
warnings.warn("the imp module is deprecated in favour of importlib; " warnings.warn("the imp module is deprecated in favour of importlib and slated "
"for removal in Python 3.12; "
"see the module's documentation for alternative uses", "see the module's documentation for alternative uses",
DeprecationWarning, stacklevel=2) DeprecationWarning, stacklevel=2)

9
Lib/importlib/util.py
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@ -149,7 +149,8 @@ def set_package(fxn):
""" """
@functools.wraps(fxn) @functools.wraps(fxn)
def set_package_wrapper(*args, **kwargs): def set_package_wrapper(*args, **kwargs):
warnings.warn('The import system now takes care of this automatically.', warnings.warn('The import system now takes care of this automatically; '
'this decorator is slated for removal in Python 3.12',
DeprecationWarning, stacklevel=2) DeprecationWarning, stacklevel=2)
module = fxn(*args, **kwargs) module = fxn(*args, **kwargs)
if getattr(module, '__package__', None) is None: if getattr(module, '__package__', None) is None:
@ -168,7 +169,8 @@ def set_loader(fxn):
""" """
@functools.wraps(fxn) @functools.wraps(fxn)
def set_loader_wrapper(self, *args, **kwargs): def set_loader_wrapper(self, *args, **kwargs):
warnings.warn('The import system now takes care of this automatically.', warnings.warn('The import system now takes care of this automatically; '
'this decorator is slated for removal in Python 3.12',
DeprecationWarning, stacklevel=2) DeprecationWarning, stacklevel=2)
module = fxn(self, *args, **kwargs) module = fxn(self, *args, **kwargs)
if getattr(module, '__loader__', None) is None: if getattr(module, '__loader__', None) is None:
@ -195,7 +197,8 @@ def module_for_loader(fxn):
the second argument. the second argument.
""" """
warnings.warn('The import system now takes care of this automatically.', warnings.warn('The import system now takes care of this automatically; '
'this decorator is slated for removal in Python 3.12',
DeprecationWarning, stacklevel=2) DeprecationWarning, stacklevel=2)
@functools.wraps(fxn) @functools.wraps(fxn)
def module_for_loader_wrapper(self, fullname, *args, **kwargs): def module_for_loader_wrapper(self, fullname, *args, **kwargs):

6
Lib/pkgutil.py
View file

@ -204,7 +204,8 @@ class ImpImporter:
def __init__(self, path=None): def __init__(self, path=None):
global imp global imp
warnings.warn("This emulation is deprecated, use 'importlib' instead", warnings.warn("This emulation is deprecated and slated for removal "
"in Python 3.12; use 'importlib' instead",
DeprecationWarning) DeprecationWarning)
_import_imp() _import_imp()
self.path = path self.path = path
@ -271,7 +272,8 @@ class ImpLoader:
code = source = None code = source = None
def __init__(self, fullname, file, filename, etc): def __init__(self, fullname, file, filename, etc):
warnings.warn("This emulation is deprecated, use 'importlib' instead", warnings.warn("This emulation is deprecated and slated for removal in "
"Python 3.12; use 'importlib' instead",
DeprecationWarning) DeprecationWarning)
_import_imp() _import_imp()
self.file = file self.file = file

3
Lib/test/test_pkgutil.py
View file

@ -498,7 +498,8 @@ class ImportlibMigrationTests(unittest.TestCase):
def check_deprecated(self): def check_deprecated(self):
return check_warnings( return check_warnings(
("This emulation is deprecated, use 'importlib' instead", ("This emulation is deprecated and slated for removal in "
"Python 3.12; use 'importlib' instead",
DeprecationWarning)) DeprecationWarning))
def test_importer_deprecated(self): def test_importer_deprecated(self):

2
Misc/NEWS.d/next/Library/2021-04-03-13-45-51.bpo-43720.FDZ5cZ.rst Normal file
View file

@ -0,0 +1,2 @@
Document various stdlib deprecations in imp, pkgutil, and importlib.util for removal in Python
3.12.