importing / loading a module / class dynamically
toto at titi.de
Fri Jan 5 22:23:34 CET 2007
Using exec or eval ISN'T what should be done ever. When you have
troubles importing you should :
- Add some repository to your sys.path
- Use the buildin import method
- Use Mr Eby's Importing module (http://python.org/pypi/Importing)
hg a écrit :
> I have the following problem.
> I find in a directory hierarchy some files following a certain sets of
> each file will in turn have a class with the same name as the filename
> (minus .py)
> I fetch those names in a list of string and want to import the files /
> instantiate the classes.
> I block at the beginning and tried this (test.py is a real file)
>>>> s = 'test.py'
>>>> eval ('import ' + s)
> and get
> Traceback (most recent call last):
> File "<pyshell#1>", line 1, in -toplevel-
> eval ('import ' + s)
> File "<string>", line 1
> import test.py
> Any clue ?
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