How do I know if a package is supported from python-apt

[Sebastian Heinlein]

On Do, 2007-01-11 at 15:30 +0200, Noam Raphael wrote:

> Thanks! I don't understand all the complexities of package sources,
> but can I assume that if the candidateOrigin list contains one item
> which is supported, then the package is supported?

A short example:

import apt
cache = apt.Cache()
print cache["xterm"].candidateOrigin
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