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bpo-41282: Fix distutils.utils.byte_compile() DeprecationWarning #25406

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Merged
merged 1 commit into from
Apr 16, 2021
Merged

bpo-41282: Fix distutils.utils.byte_compile() DeprecationWarning #25406

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7 changes: 4 additions & 3 deletions Lib/distutils/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,8 @@

__version__ = sys.version[:sys.version.index(' ')]

warnings.warn("The distutils package is deprecated and slated for "
"removal in Python 3.12. Use setuptools or check "
"PEP 632 for potential alternatives",
_DEPRECATION_MESSAGE = ("The distutils package is deprecated and slated for "
"removal in Python 3.12. Use setuptools or check "
"PEP 632 for potential alternatives")
warnings.warn(_DEPRECATION_MESSAGE,
DeprecationWarning, 2)
3 changes: 3 additions & 0 deletions Lib/distutils/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import importlib.util
import string
import sys
import distutils
from distutils.errors import DistutilsPlatformError
from distutils.dep_util import newer
from distutils.spawn import spawn
Expand Down Expand Up @@ -419,8 +420,10 @@ def byte_compile (py_files,
direct=1)
""" % (optimize, force, prefix, base_dir, verbose))

msg = distutils._DEPRECATION_MESSAGE
cmd = [sys.executable]
cmd.extend(subprocess._optim_args_from_interpreter_flags())
cmd.append(f'-Wignore:{msg}:DeprecationWarning')
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Sadly, -W option escapes the message using re.escape(), it's not possible to use a regex :-(

cmd.append(script_name)
spawn(cmd, dry_run=dry_run)
execute(os.remove, (script_name,), "removing %s" % script_name,
Expand Down
14 changes: 10 additions & 4 deletions Lib/test/test_distutils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,20 @@
be run.
"""

import distutils.tests
import test.support
import warnings
from test import support
from test.support import warnings_helper

with warnings_helper.check_warnings(
("The distutils package is deprecated", DeprecationWarning)):

import distutils.tests


def test_main():
# used by regrtest
test.support.run_unittest(distutils.tests.test_suite())
test.support.reap_children()
support.run_unittest(distutils.tests.test_suite())
support.reap_children()


def load_tests(*_):
Expand Down