Bug report

importlib.resources.as_file is leaving temporary file pointers open after writing their contents
see _write_contents function in importlib/resources/_common.py

Easy to repeat, just run the test case below with -We
Lib.test.test_importlib.resources.test_resource.ResourceFromZipsTest01.test_as_file_directory

Your environment

• CPython versions tested on: Python 3.12.0a3+
• Operating system and architecture: Ubuntu 22.04.1 LTS

I think it just needs to use Path.write_bytes and keep the file pointer closed.

Linked PRs

• gh-100585: Fixed a bug where importlib.resources.as_file was leaving file pointers open #100586