diff options
Diffstat (limited to 'src/mailman/interfaces/messages.py')
| -rw-r--r-- | src/mailman/interfaces/messages.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/mailman/interfaces/messages.py b/src/mailman/interfaces/messages.py index bdc06c0fc..ed8dad4c7 100644 --- a/src/mailman/interfaces/messages.py +++ b/src/mailman/interfaces/messages.py @@ -64,11 +64,12 @@ class IMessageStore(Interface): :param message: An email.message.Message instance containing at least a unique Message-ID header. The message will be given an - Message-ID-Hash header, overriding any existing such header. - :returns: The calculated Message-ID-Hash header. + Message-ID-Hash header, overriding any existing such header. If + the message already exists in the store, it is not added again. + :returns: The calculated Message-ID-Hash header or None if the message + already exists in the store. + :rtype: str or None :raises ValueError: if the message is missing a Message-ID header. - The storage service is also allowed to raise this exception if it - find, but disallows collisions. """ def get_message_by_id(message_id): |