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[3.13] Docs: Test presence of optional extensions with importlib (GH-130445) #130464

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merged 1 commit into from
Feb 22, 2025
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[3.13] Docs: Test presence of optional extensions with importlib (GH-130445) #130464

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29 changes: 14 additions & 15 deletions Doc/conf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,10 @@
# The contents of this file are pickled, so don't put values in the namespace
# that aren't pickleable (module imports are okay, they're removed automatically).

import importlib
import os
import sys
from importlib import import_module
from importlib.util import find_spec

# Make our custom extensions available to Sphinx
sys.path.append(os.path.abspath('tools/extensions'))
Expand Down Expand Up @@ -37,19 +38,17 @@
]

# Skip if downstream redistributors haven't installed them
try:
import notfound.extension # noqa: F401
except ImportError:
pass
else:
extensions.append('notfound.extension')
try:
import sphinxext.opengraph # noqa: F401
except ImportError:
pass
else:
extensions.append('sphinxext.opengraph')

_OPTIONAL_EXTENSIONS = (
'notfound.extension',
'sphinxext.opengraph',
)
for optional_ext in _OPTIONAL_EXTENSIONS:
try:
if find_spec(optional_ext) is not None:
extensions.append(optional_ext)
except (ImportError, ValueError):
pass
del _OPTIONAL_EXTENSIONS

doctest_global_setup = '''
try:
Expand All @@ -72,7 +71,7 @@
# We look for the Include/patchlevel.h file in the current Python source tree
# and replace the values accordingly.
# See Doc/tools/extensions/patchlevel.py
version, release = importlib.import_module('patchlevel').get_version_info()
version, release = import_module('patchlevel').get_version_info()

rst_epilog = f"""
.. |python_version_literal| replace:: ``Python {version}``
Expand Down
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