On Fri, Nov 20, 2009 at 10:58 AM, Eric Pavey <warp...@gmail.com> wrote:
> On Fri, Nov 20, 2009 at 10:40 AM, Dave Angel <da...@ieee.org> wrote: > >> Eric Pavey wrote: >> >>> On Fri, Nov 20, 2009 at 4:09 AM, Kent Johnson <ken...@tds.net> wrote: >>> >>> >>> >>>> On Thu, Nov 19, 2009 at 9:31 PM, Eric Pavey <warp...@gmail.com> wrote: >>>> >>>> >>>>> Say I have this package layout >>>>> >>>>> \myPackage >>>>> >>>>> __init__.py >>>>> moduleA.py >>>>> moduleB.py >>>>> >>>>> Is there a way (and I'm sure there is...) to query, for a given package >>>>> level, which modules live under it? >>>>> I thought I could do it like so: >>>>> >>>>> import myPackage >>>>> goodQualityInfo = dir(myPackage) >>>>> >>>>> >>>> One way to do this is to include an __all__ attribute in __init__.p]: >>>> __all__ = ['moduleA', 'moduleB'] >>>> >>>> Then instead of dir(myPackage) use myPackage.__all__. >>>> >>>> The name is standard though it is usually used for a slightly different >>>> purpose: >>>> http://docs.python.org/tutorial/modules.html#importing-from-a-package >>>> >>>> Kent >>>> >>> >>> Thanks. I was considering that too, but I want to be able to have people >>> drop modules in that dir and "be done with it": Not also have them also >>> need to update __all__ in __init__.py >>> Appreciate the suggestion though. >>> My current hacky plan is just query the location on disk of the imported >>> package, then do a dir search for .py files in that dir, and process >>> those. >>> Seems clunky though. >>> >>> Doesn't seem clunky to me. And if you do it in __init__.py, you can use >> the __file__ attribute to get your base directory. Just put the results in >> __all__ and you combine both ideas. >> >> DaveA >> > > Starting to like that more ;) > thanks Results. Thanks all. #--------------------------- # __init__.py import os import glob __all__ = [] packageDir = os.path.split(__file__)[0] modules = glob.glob( os.path.join(packageDir, "*.py") ) for m in modules: justModule = os.path.splitext(os.path.split(m)[-1])[0] # Don't add itself to the list: if justModule != '__init__': __all__.append(justModule) #---------------------------
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