Importing like-named modules when calling install_package

[project2501]

Hi,

  I'm experiencing an oddity and am not sure if its because of something I'm doing.

I am calling 

context.install_package('path/to/top/level/stuff')

Within that package structure is a module (with ipopo stuff in it), located here:

find.components.ml.pattern

Within that module it tries to import the separate module pattern.vector , a 3rd party package. Like below

from pattern.vector import Document, Model, HIERARCHICAL

ipopo then complains about this:

WARNING:pelix.main:Error visiting find.components.ml.pattern: Error installing bundle find.components.ml.pattern: No module named vector

It seems that it is interpreting pattern.vector as being within the find.components.ml.pattern module, which it is not.

Regrets if I missed something obvious in the documentation about this.

Darren

[project2501]

I change the install_package path to the absolute root module path and it works now. Before it was going 2 module levels deep (inadvertently) in the path and that's when the error happened. weird.

[Thomas Calmant]

Hi,

This is a tricky problem: in install_package, iPOPO adds the given path as the first entry of sys.path to ensure that this package, and only this version, will be imported by Python.

As a result, imports of modules/packages with the same name will fail, as the priority is given to the current package, not to the third-party library.

If you're using Python 2, you could try to enable absolute imports: from __future__ import absolute_import as it changes the behaviour in similar cases.

Regards,

Thomas

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[project2501]

Thank you.

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