STINNER Victor <victor.stin...@gmail.com> added the comment:
If you consider that the REPL is designed for developers, I would also suggest
to show ResourceWarning by default.
I'm not sure of that since I like to write crappy code of REPL (and I hope that
nobody logs my keyboard)! Example:
haypo@selma$ python3
Python 3.6.2 (default, Oct 2 2017, 16:51:32)
>>> open("/etc/issue").read()
'\\S\nKernel \\r on an \\m (\\l)\n\n'
I may be annoyed by a ResourceWarning warning here, since it's a oneliner
written to be only run once. I know that my code is crappy, but I also know
that it works well and it's much shorter to write than "with open(..) as fp:
fp.read()" :-)
Yet another approach: I proposed to add a "developer mode", -X dev option:
https://mail.python.org/pipermail/python-dev/2017-November/150514.html
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