diff --git a/Lib/email/feedparser.py b/Lib/email/feedparser.py index 53d71f50225..06d6b4a3afc 100644 --- a/Lib/email/feedparser.py +++ b/Lib/email/feedparser.py @@ -189,7 +189,7 @@ class FeedParser: assert not self._msgstack # Look for final set of defects if root.get_content_maintype() == 'multipart' \ - and not root.is_multipart(): + and not root.is_multipart() and not self._headersonly: defect = errors.MultipartInvariantViolationDefect() self.policy.handle_defect(root, defect) return root diff --git a/Lib/test/test_email/data/msg_47.txt b/Lib/test/test_email/data/msg_47.txt new file mode 100644 index 00000000000..bb48b47d96b --- /dev/null +++ b/Lib/test/test_email/data/msg_47.txt @@ -0,0 +1,14 @@ +Date: 01 Jan 2001 00:01+0000 +From: arthur@example.example +MIME-Version: 1.0 +Content-Type: multipart/mixed; boundary=foo + +--foo +Content-Type: text/plain +bar + +--foo +Content-Type: text/html +

baz

+ +--foo-- \ No newline at end of file diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py index b4f3a248197..cdb6ef1275e 100644 --- a/Lib/test/test_email/test_email.py +++ b/Lib/test/test_email/test_email.py @@ -3712,6 +3712,16 @@ class TestParsers(TestEmailBase): self.assertIsInstance(msg.get_payload(), str) self.assertIsInstance(msg.get_payload(decode=True), bytes) + def test_header_parser_multipart_is_valid(self): + # Don't flag valid multipart emails as having defects + with openfile('msg_47.txt', encoding="utf-8") as fp: + msgdata = fp.read() + + parser = email.parser.Parser(policy=email.policy.default) + parsed_msg = parser.parsestr(msgdata, headersonly=True) + + self.assertEqual(parsed_msg.defects, []) + def test_bytes_parser_does_not_close_file(self): with openfile('msg_02.txt', 'rb') as fp: email.parser.BytesParser().parse(fp) diff --git a/Misc/NEWS.d/next/Library/2023-07-22-13-09-28.gh-issue-106186.EIsUNG.rst b/Misc/NEWS.d/next/Library/2023-07-22-13-09-28.gh-issue-106186.EIsUNG.rst new file mode 100644 index 00000000000..07fdcc96fa3 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-07-22-13-09-28.gh-issue-106186.EIsUNG.rst @@ -0,0 +1,3 @@ +Do not report ``MultipartInvariantViolationDefect`` defect +when the :class:`email.parser.Parser` class is used +to parse emails with ``headersonly=True``.