[3.13] gh-135307: Fix email error when policy max_line_length is set to 0 or None (GH-135367)#140917
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bitdancer merged 2 commits intopython:3.13from Nov 2, 2025
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…s set to 0 or None (pythonGH-135367) (cherry picked from commit 6d45cd8) Co-authored-by: Jiucheng(Oliver) <git.jiucheng@gmail.com> RDM: Like the change made in a earlier PR to the folder, we can/must use 'maxlen' as a stand in for 'unlimited' when computing line lengths when max_line_length is 0 or None; otherwise the computation results in a traceback.
bitdancer
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Nov 2, 2025
Lib/test/test_email/test_message.py
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| parsed_body = parsed.get_body().get_content().rstrip('\n') | ||
| self.assertEqual(parsed_body, body) | ||
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| def test_invalid_header_names(self): |
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These invalid header name tests are the conflict that caused the automatic back port to fail. You'll need to delete them (they are tests for a change that was not back ported from 3.14 to 3.13). (cherry-picker conflicts can be quite confusing).
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I see, thanks. I am going to address that.
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(cherry picked from commit 6d45cd8)
RDM: Like the change made in a earlier PR to the folder, we can/must use 'maxlen' as a stand in for 'unlimited' when computing line lengths when max_line_length is 0 or None; otherwise the computation results in a traceback.
email.policy.Policy.max_line_lengthis falsey #135307