[Bug 79147] Re: Source package search name validation

[Dean Sas]

I've done the first part in r26 of my branch
(~dsas/bughelper/bughelper.dev).

I'm not sure if python-apt has a "search cache for string" function, I
couldn't find one but it's easy to iterate through the apt cache and do
it, just thought a python-apt way may be more efficient.

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Source package search name validation
https://launchpad.net/bugs/79147