On Jul 10, 2009, at 9:24 AM, Barry Warsaw wrote:
On Jul 10, 2009, at 8:58 AM, Marius Gedminas wrote:
What do people use to avoid repeating the version number both in the
setup.py as well as in application/library code, when the
application/library wants to know its own version number?
I've seen several options:
1) put __version__ = '4.2' in yourpackage/__init__.py, have setup.py
do from yourpackage import __version__ and pass that to setup()
This is generally what I do and it seems to work pretty well for
me. I remember talking with Gary Poster about some problems with
this, related to our open source lazr packages, but I don't recall
the details.
Basically, this means that your setup.py has to be able to import your
package's __init__.py without any of the dependencies.
If your __init__.py only has a __version__ then this is fine.
However, if you want your __init__ to reexport something to avoid
clients having to do foo.foo.Foo-style imports from your package, or
if you want to put any other code in your __init__ that might need
dependencies, this breaks.
Gary
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