Python,
> from the_file import ClassName
>
> should work. I guess that your class name is not "class" right?
You guessed that right. :-) Not a good idea to pick confusing names like
that, especially when you do something the first time.
> Note that in all cases when you import a module (either by import the_file
> or from the_file importe whatever) you actually import ALL of it
So much for my assumption only the class itself would be loaded - and a
wrench into my idea to have a number of classes in a "library" file.
And it turns out its also the cause of my problem: The displayed error told
me that it could not import the class from the file, but when I block-quoted
the testcode (instanciating the class, calling it and deleting the instance
afterwards) it all worked as it should. No idea why though.
> if __name__ == '__main__':
> # not run when imported
> print("Hello world!")
Thanks for that. It means I do not have to block-quote the testcode every
time - which I'm certain I will forget now-and-again ...
Update: While testing a bit more it turned out that, in the testcode, my
creating an instance with the same name as the class is to blame (who again
said that it isn't a good idea to use confusing names ?). The moment I
changed the name of the instance everything works as expected.
Question: what is, in python, the convention in naming classes ? Pre- or
postfix it with "class" ? Something else ?
Regards,
Rudy Wieser
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