2009/9/14 wsh <shuha...@gmail.com> > Hi, all > > When I'm testing a package, some code is broken and I get the error > message "AttributeError: 'module' object has no attribute > 'interfaces'". > > After I checked the code I found that there are some code in the > __init__.py like following: > > >>> from zope.app import container > > When it try to reference the interfaces attribute of the container > module, but the attribute does not exist. I checked the container with > print dir(container) and get following: > > ['__builtins__', '__doc__', '__file__', '__name__', '__path__'] > > > But if I add following line in the __init__.py this problem can be > solved. > > >>> from zope.app import container > >>> import zope.app.container.constraints > >>> print dir(container) > ['__builtins__', '__doc__', '__file__', '__name__', '__path__', > 'constraints', 'i18n', 'interfaces'] > > > > Can anyone explain this? >
That's because zope.app.container.interfaces module is not imported, so zope.app.container doesn't have "interfaces" attribute. But it seems to be imported by "constraints" module, so it magically appears as "interfaces" in zope.app.container. -- WBR, Dan Korostelev
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