[PyQt] Getting a list of virtual PyQt functions

[Florian Bruhin]

Hi!

I recently found out about vulture[1], which is a static checker to
find dead Python code, among other things it finds methods which never
are called.

However, it (naturally) doesn't detect when I'm overriding a virtual
Qt function, as that's never called *from Python*.

I opened an issue [2] and we agreed it'd be a good idea to add a
whitelist for all virtual PyQt methods.

Of course maintaining such a whitelist by hand is not something I want
to do, so I looked into sip and how it could help me.

I found out about the XML export (-m), and have two questions about
it:

- Is there a reason it's not documented at [3]?

- Would a patch adding a 'virtual="true"' attribute to function tags
  if isVirtual() is true be appreciated?

Thanks,

Florian

[1] https://bitbucket.org/jendrikseipp/vulture/overview
[2] https://bitbucket.org/jendrikseipp/vulture/issues/8/overriden-methods-of-c-c-extensions
[3] http://pyqt.sourceforge.net/Docs/sip4/command_line.html

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