[pydev - Users] "Undefined variable from import" with PyROOT

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By: oxon

I'm using Eclipse 3.4.1 + Python 2.5.1 + recent PyDEV extension on Mac OS X
10.5.6 (intel).

ROOT and PyROOT is a standard scientific analysis tool in high-energy physics.
I use this software with python and currently developing a python package that
imports PyROOT.

http://root.cern.ch/
http://root.cern.ch/root/HowtoPyROOT.html
http://root.cern.ch/viewvc/trunk/bindings/pyroot/ROOT.py?view=markup

When I import PyROOT (import ROOT) in PyDEV, classes and functions are not recognized
by PyDEV. Many "problem"s are reported by it, such as "Undefined variable from
import: TH1D". See the discussion below.
http://root.cern.ch/root/roottalk/roottalk09/0059.html

How can I make PyDEV to recognize all classes and variables in it? I tried
Preferences... > PyDEV > Interpreter Python > Forced builtin libs
but it didn't solve this problem.

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By: fabioz

Hi, I've just followed that thread...

As it says, the PyRoot structure doesn't seem to give the needed support even
from a live shell (users have to try to make an import and check for an ImportError
to see if it succeds)

An option might be putting the specific submodules you want in the forced builtins
(e.g.: you could add PyRoot.module1 there)

But that can be a pain without a better interface (but if that works, I can
change the interface so that you can add those easier).

There are plans in Pydev to add 'completion files' that can describe the modules
without needing a shell, but that's not currently done (but keep an eye open
for it).

Cheers,

Fabio

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By: oxon

Fabio,

Thank you for your comment.

I will be patient until someone invent a good solution :)

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