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I was confused before. It's correct to not call .close() inside the with

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statement, but add a comment that clarifies the purpose of the code.
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Barry Warsaw 2013-05-10 11:35:38 -04:00
parent 173d4109b5
commit d8f870d0fa
1 changed files with 3 additions and 2 deletions
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5
Doc/library/contextlib.rst
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@ -259,11 +259,12 @@ Functions and classes provided:
with ExitStack() as stack:
files = [stack.enter_context(open(fname)) for fname in filenames]
close_files = stack.pop_all().close()
# Hold onto the close method, but don't call it yet.
close_files = stack.pop_all().close
# If opening any file fails, all previously opened files will be
# closed automatically. If all files are opened successfully,
# they will remain open even after the with statement ends.
# close_files() can then be invoked explicitly to close them all
# close_files() can then be invoked explicitly to close them all.
.. method:: close()