On 2010-03-17, Parker Coates <parker.coates@xxxxxxxxxxx> wrote:
> On Wed, Mar 17, 2010 at 03:29, Wolfgang Rohdewald wrote:
>> On Mittwoch 17 März 2010, Parker Coates wrote:
>>> ImportError: No module named zope.interface
>>> Is this a missing dependency check?
>> Kajongg needs python-twisted-core
>> (on my kubuntu), and python-twisted-core
>> needs python-zope.interface.
>> That is not the whole Zope, just one
>> small part which defines a class interface
> So I guess we have 2 options:
> 1. Check for the presence of these libraries at configure-time with
> CMake and skip building Kajonng if they are not found.
> 2. Add a runtime check for these libraries by trying to import them
> and catching any ImportErrors raised, then showing a nice friendly
> dialog explaining why Kajonng is about to gracefully shut down.
> I honestly don't know which one makes more sense, but I know uncaught
> ImportErrors are not an acceptable means of notifying the user that
> some dependencies are missing.
As a distribution packager, I really hate build time checks for runtime
needs, and normally we patch those checks out. (and sometimes forget to
add runtime dependencies, but that's a different issue)