A note from the peanut gallery: I like the idea of namepace packages, but every time I've tried to use them, I've been stymied -- maybe this PEP will solve that, but...
First - the issues: - It somehow seems like a lot of work, details to get right, and more-than-one-way-to-do-it. But maybe that's all pre- PEP 420 - Last time I tried, I couldn't get them to work with "setup.py develop" But at the core of this -- Why does it have to be so hard? It seems very simple to me -- what am I missing? What are namespace packages? To me, they are a package that serves no other purpose than to provide a single namespace in which to put other packages. This makes a lot of sense if you have a bunch of related packages where users may only require one, or a couple, but not all. And you want to be able to maintain them, and version control them independently. But it seem to get this, all we need is: 1) A directory with the top-level name 2) It has an (empty) __init__.py (so it is a python package) 3) It has other directories in it -- each of these are regular old python packages -- the ONLY difference is that they are installed under that name That's it. Done. Now all we need is a way to install these things -- well that's easy, each sub-package installs itself just like it would, maybe overwriting the top level directory name and the __init__.py, if another sub-package has already installed it. But that's OK, because the name is by definition the same, and the __init__ is empty. This seems SO SIMPLE. No declaring things all over the place, no dynamic path manipulation, nothing unusual at all, except the ability to install a module into a dir without clobbering what might already be in that dir. What am I missing? -Chris -- Christopher Barker, Ph.D. Oceanographer Emergency Response Division NOAA/NOS/OR&R (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception chris.bar...@noaa.gov
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