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bpo-38698: Prevent UnboundLocalError to pop up in parse_message_id (GH-17277)

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parse_message_id() was improperly using a token defined inside an exception
handler, which was raising `UnboundLocalError` on parsing an invalid value.




https://bugs.python.org/issue38698
This commit is contained in:
Claudiu Popa 2019-12-05 04:14:26 +01:00 • committed by Miss Islington (bot)
parent 8b787964e0
commit bb815499af
3 changed files with 13 additions and 1 deletions
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3
Lib/email/_header_value_parser.py
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@ -2113,7 +2113,8 @@ def parse_message_id(value):
except errors.HeaderParseError:
message_id.defects.append(errors.InvalidHeaderDefect(
"Expected msg-id but found {!r}".format(value)))
message_id.append(token)
else:
message_id.append(token)
return message_id
#