[issue20744] shutil should not use distutils
A.M. Kuchling
report at bugs.python.org
Thu Mar 20 20:42:14 CET 2014
A.M. Kuchling added the comment:
Yes, tests are only run after a change is committed and pushed into
Mercurial; this is done by BuildBot https://www.python.org/dev/buildbot/ .
So it's a good idea to run tests before submitting a patch or committing a change. No matter how trivial a change seems, it should always be tested first. Every programmer has a few stories of "this can't possibly fail" changes that fail, sometimes spectacularly.
(One of mine: I rewrote some C string-handling code for a product
that supported 4 or 5 different Unixes and processor architectures,
tried it on one of them, and concluded it was fine. It segfaulted on
exactly one architecture. Unfortunately this was discovered by a VP
who was demoing to a customer at the time. I got a talking-to about
that one.)
Running the tests finds a simple problem: there's no longer an 'import
zipfile' statement. I'll add the import inside the _make_zipfile()
function. This is against PEP 8, strictly speaking, but it means
importing shutil doesn't always import zipfile; it'll only import the
module if it's actually needed. (I'll probably do the same for the
import of tarfile.)
Derek, thanks for your patch!
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