Am Sat, 09 Jul 2005 20:30:04 -0700 schrieb spike grobstein:
> I'm a total Python newbie, so bear with me here...
>
> I'm writing a program that has a user-configurable, module-based
> architecture. it's got a directory where modules are stored (.py files)
> which subclass one of several master classes.
[cut]
> for item in dir_list:
> # strip off the extensions...
> if (item == "__init__.py"):
> continue
> elif (item[-3:] == '.py'):
item.endswith(".py") would be more python-like.
> mod_name = item[:-3]
> elif (item[-4:] == '.pyc'):
elif item.endswith(".pyc"):
continue # Don't load module twice
> else:
> continue
>
> print "Loading %s..." % mod
>
> module_list.append(__import__("Modules.%s" % mod))
>
> print "Done."
>
>
> it works more or less like I expect, except that...
>
> A. the first time it runs, blah.py then has a blah.pyc counterpart.
> When I run the program again, it imports it twice. Not horrible, but
> not what I want. is there any way around this?
See above: Just don't load it. The compiled "pyc" file is taken
automatically if it is newer than the "py" file.
> B. module_list winds up consisting of items called 'Modules.blah' and
> I'd like to have just blah. I realize I could say:
>
> my_module = __import__("Modules.%s" % mod)
> module_list.append(getattr(my_module, mod))
I use this getattr() after __import__, too. I don't think there
is a easier way.
HTH,
Thomas
--
Thomas Güttler, http://www.thomas-guettler.de/
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