BridgeDB's email server stopped working upon upgrade to Debian 9
At least one of the problems stems from changes to Twisted made somewhere between 14.0.2 and 16.6.0, including that some classes/modules are missing/moved:
Unhandled Error
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/twisted/python/log.py", line 103, in callWithLogger
return callWithContext({"system": lp}, func, *args, **kw)
File "/usr/lib/python2.7/dist-packages/twisted/python/log.py", line 86, in callWithContext
return context.call({ILogContext: newCtx}, func, *args, **kw)
File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 118, in callWithContext
return self.currentContext().callWithContext(ctx, func, *args, **kw)
File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 81, in callWithContext
return func(*args,**kw)
--- <exception caught here> ---
File "/usr/lib/python2.7/dist-packages/twisted/internet/posixbase.py", line 597, in _doReadOrWrite
why = selectable.doRead()
File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 208, in doRead
return self._dataReceived(data)
File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 214, in _dataReceived
rval = self.protocol.dataReceived(data)
File "/usr/lib/python2.7/dist-packages/twisted/protocols/basic.py", line 454, in dataReceived
self.lineReceived(line)
File "/usr/lib/python2.7/dist-packages/twisted/mail/smtp.py", line 389, in lineReceived
return getattr(self, 'state_' + self.mode)(line)
File "/usr/lib/python2.7/dist-packages/twisted/mail/smtp.py", line 630, in dataLineReceived
m.eomReceived() for m in self.__messages
File "/home/bridgedb/virtualenvs/bridgedb/local/lib/python2.7/site-packages/bridgedb-0.4.0+0.g62b17e8.dirty-py2.7.egg/bridgedb/email/server.py", line 238, in eomReceived
self.message = self.getIncomingMessage()
File "/home/bridgedb/virtualenvs/bridgedb/local/lib/python2.7/site-packages/bridgedb-0.4.0+0.g62b17e8.dirty-py2.7.egg/bridgedb/email/server.py", line 257, in getIncomingMessage
return smtp.rfc822.Message(rawMessage)
exceptions.AttributeError: 'module' object has no attribute 'rfc822'