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Diffstat (limited to '_distutils_hack/__init__.py')
| -rw-r--r-- | _distutils_hack/__init__.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/_distutils_hack/__init__.py b/_distutils_hack/__init__.py index 504c4ac0..c31edfed 100644 --- a/_distutils_hack/__init__.py +++ b/_distutils_hack/__init__.py @@ -92,9 +92,22 @@ class DistutilsMetaFinder: Ensure stdlib distutils when running under pip. See pypa/pip#8761 for rationale. """ + if self.pip_imported_during_build(): + return clear_distutils() self.spec_for_distutils = lambda: None + @staticmethod + def pip_imported_during_build(): + """ + Detect if pip is being imported in a build script. Ref #2355. + """ + import traceback + return any( + frame.f_globals['__file__'].endswith('setup.py') + for frame, line in traceback.walk_stack(None) + ) + DISTUTILS_FINDER = DistutilsMetaFinder() |