fix(pypi): allow pip_compile to work with read-only sources #2712
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The validating
py_test
generated bycompile_pip_requirements
chokes when the sourcerequirements.txt
is stored read-only, such as when managed by the Perforce Helix Core SCM. Thoughdependency_resolver
makes a temporary copy of this file, it does so w/shutil.copy
which preserves the original read-only file mode. To address this, this commit replacesshutil.copy
with ashutil.copyfileobj
such that the temporary file is created w/ permissions according to the user's umask.Resolves (#2608).