application version checking against database

[Hamilton, William]

> From: imageguy
> 
> We are trying to implement a system that checks the version of the
> application against a version number stored in the database.  We don't
> want the app and the db don't become out of sync.
> 
> We have tried setting a __version__ variable in the top most module,
> however, it seems that this is not accessible for the modules that are
> subsequently imported.  There are a several locations in the app where
> we want to do the version check, but we would like to have one place
> to set the version number, namely the top level module.
> 
> We have thought of creating a Version class and passing it around, but
> aren't really keen on that idea.
> 
> Any suggestions/ideas would be helpful.
> 
> 
> NOTE: the app is developed in wxPython.
> 

You could add a Version module that contains the version number and any
functions related to the version checking, and import that into the
modules that do version checking.

--
-Bill Hamilton