Send the contents of a message.

ParametersiA 1-based message index. (type: bytes)
fpWrapper (type: callable that takes a file-like object and returns a file-like object)
successResponse (type: callable that takes int and returns bytes)
ReturnsA deferred which triggers after the message has been sent. (type: Deferred)
Function cbMessageFile Undocumented
def cbMessageFile(info): (source)
Undocumented
API Documentation for Twisted, generated by pydoctor at 2020-03-20 23:54:06.