https://github.com/python/cpython/commit/50ae0be74988564fb09746a49eb4b8f8e740f3c3
commit: 50ae0be74988564fb09746a49eb4b8f8e740f3c3
branch: main
author: Serhiy Storchaka <[email protected]>
committer: serhiy-storchaka <[email protected]>
date: 2026-07-02T10:18:51+03:00
summary:

gh-79964: Clarify the imaplib fetch example in the docs (GH-152780)

A FETCH response may contain additional or unsolicited data, so the
message is not always data[0][1].

Co-authored-by: Claude Opus 4.8 (1M context) <[email protected]>

files:
M Doc/library/imaplib.rst

diff --git a/Doc/library/imaplib.rst b/Doc/library/imaplib.rst
index df2468f7124e6d6..01de1bc393c5bb2 100644
--- a/Doc/library/imaplib.rst
+++ b/Doc/library/imaplib.rst
@@ -730,3 +730,10 @@ retrieves and prints all messages::
    M.close()
    M.logout()
 
+.. note::
+
+   A ``FETCH`` response may contain additional or unsolicited data
+   (see :rfc:`3501`, section 7.4.2),
+   so production code should inspect the whole response
+   rather than rely on ``data[0][1]``.
+

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