Best Python packages?

[Fredrik Lundh]

Ben Sizer wrote:

> make my development a lot easier.

Knowing what kind of development you do might help, of course.  Some 
libraries are excellent in some contexts and suck badly in others...

Looking at things that larger projects and distributions use can also be 
a good idea.  For example, if you're doing scientific stuff, go directly 
to enthought.com.  If you're doing web stuff, look at the libraries big 
Django applications use.  Etc.

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