Python not loading a specific function

Question

I just run into a problem with the hamster's codebase where a module is loaded with one function and not the other. It's not my code, so I don't know many details, but I'd really like to learn how can such situation arise.

There is a module called hamster which includes i18n.py which has two functions: setup_i18n and C_. There is no __all__ defined in __init__. After loading the module C_ is visible, but the setup function isn't.

Here's the link for i18n file and the repo in general: http://git.gnome.org/browse/hamster-applet/tree/src/hamster/i18n.py?id=94b8ba72dad5b3e711d5f6b6a7018d83d770ce14

The session is only this (after setting the correct sys.path to include the packages)

> from hamster import i18n
> dir(i18n)
['C_', '__builtins__', '__doc__', '__file__', '__name__', 'gettext']

What actual problem do you have? Does something not work? If it doesn't work, please post the code which does not work and the error message showing exactly what is not working. The code you showed is correct and works. It's expected. Please post your error or your problem. — S.Lott
– S.Lott, Commented Jul 12, 2010 at 10:18
@S.Lott Not sure what you expect here. I posted the session which shows the problem. I expect setup_i18n in the output of dir(i18n), since it's defined in the file - and I want to know could cause it to not be there. — viraptor
– viraptor, Commented Jul 12, 2010 at 10:34
I have lots of unmet expectations. I don't see how a missing name from a dir() breaks anything or leads to any problems. The question is incomplete. You expected a name which is not there. So? What's broken? What error are you getting? What's the problem? Inexperienced Python programmers who find this question need to know why this is important and what problem you have and how the answer will solve it. — S.Lott
– S.Lott, Commented Jul 12, 2010 at 16:50

Ned Batchelder · Accepted Answer · 2010-07-12 10:29:54Z

6

You have an old version of the file in your system path. Notice that the most recent change to that file in the repo is to add the setup_i18n function. It's also possible you have an old .pyc file that for some reason isn't being compared properly to the .py file.

answered Jul 12, 2010 at 10:29

Ned Batchelder

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2 Comments

Roger Pate Over a year ago

I cloned the git repo and was about to post an answer saying I couldn't repro this problem (after not finding anything browsing source that would give this behavior), but you've beat me to the punch and explained why too.

viraptor Over a year ago

That was the case - there was a stale .pyc which was not updated even though .py changed. Thanks.

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