Workaround multipart title mangling issue#365
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It looks like pywikibot uses Python's built-in multipart handling which has an issue with mangling lines starting with 'From' (MBOX escaping). This patch edits the policy that pywikibot uses to disable that feature. Since we're just using multipart to upload files and not sending emails, I would assume there is no security risk in this change. See: https://runebook.dev/en/docs/python/library/email.policy/email.policy.Policy.mangle_from_
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don-vip
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Apr 13, 2026
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Wow thanks a lot for finding a fix so fast ❤️ |
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Relevant issue: #362
It looks like pywikibot uses Python's built-in multipart handling which has an issue with mangling lines starting with 'From' (MBOX escaping). This patch edits the policy that pywikibot uses to disable that feature.
Since we're just using multipart to upload files and not sending emails, I would assume there is no security risk in this change.
See: https://runebook.dev/en/docs/python/library/email.policy/email.policy.Policy.mangle_from_