Raymond Hettinger <[email protected]> added the comment:
I would like to see this posted as a recipe before being put in the standard
library. It needs a chance to mature and to demonstrate that people will want
to use it.
FWIW, the example is problematic in a couple of ways. The registration of
shutil.rmtree(tmpdir) will run *before* mngr register is called.
Also, it doesn't take advantage of any of the with-statement features. It
doesn't show any advantage over a standard try/finally which is arguably
cleaner:
tmpdir = tempfile.mkdtemp()
try:
# do stuff with tmpdir
finally:
shutil.rmtree()
Also, I suspect that the CleanupManager would be an error-prone construct
because the registration occurs somewhere after the with-statement is set-up,
possibly resulting in errors if there is an early, pre-registration failure.
----------
nosy: +rhettinger
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