On Tuesday, 16 June 2020 10:51:21 CEST Glyph wrote:
> > On Jun 15, 2020, at 8:43 PM, Craig Rodrigues
> > <[email protected]> wrote:
> >
> > In twisted.internet.abstract.FileDescriptor.loseConnection, the
> > loseConnection method>
> > is defined like:
> > def loseConnection(self,
_connDone=failure.Failure(main.CONNECTION_DONE)):
> I think this signature might just be... wrong? ITransport doesn't
> include it. Does anything actually use this argument?
I think this isn't actually an argument: the underscore in the name
suggests it is not part of the interface. What seems to be happening
here is that twisted.internet.abstract.FileDescriptor.loseConnection
defines a constant by putting it in an argument default value.
A simple solution would be to replace it by a class-scope or module-
scope constant.
By the way, is it valid to wrap an exception that was never raised in a
Failure object? Because that is what happens here by reusing the single
_connDone instance. It seems Failure's implementation is prepared to
handle it, but its docstring doesn't mention it.
Bye,
Maarten
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