Ian Bicking: the old part of his blog

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http://claytonbrown.com/cbwiki/ModuleVersioning

And heres one I prepared earlier....

Clay ;-)

The biggest problem I have found to date with this is packages whom import rather than from locally but from themselves

eg.

foo.bar
8<------8<------8<------8<------8<------
import foo.abc
import foo.xzy
8<------8<------8<------8<------8<------

I solved this in the few incidents I had of this by adjusting the code to

8<------8<------8<------8<------8<------
import abc
import xyz
8<------8<------8<------8<------8<------
Comment on Versioned Imports
by Clayton Brown