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I just tried to write my first Gtk+ program using python in linux mint with Eclipse + PyDev, but I met this error in PyDev, Unresolved import: Gtk

program source code: http://python-gtk-3-tutorial.readthedocs.org/en/latest/introduction.html

from gi.repository import Gtk

win = Gtk.Window()
win.connect("delete-event", Gtk.main_quit)

error shown as below:

enter image description here

Program can run. I checked PYTHONPATH in PyDev, I think it's right. enter image description here

How can I fix this problem?

By the way, could you give some advice about nice free IDE for Python & Gtk+ development in Linux?

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Does it work from the regular Python console? –  jadkik94 Feb 14 '13 at 15:54
@jadkik94 Yes, it can run in terminal by python command too. –  Gino Feb 14 '13 at 16:03
From the command line, after importing Gtk see what Gtk.__path__ is and if it's in Pydev's PYTHONPATH. –  jadkik94 Feb 14 '13 at 16:26
@jadkik94 Gtk.__path__ is /usr/lib/girepository-1.0/Gtk-3.0.typelib I have alread add /usr/lib/girepository-1.0 into PYTHONPATH, but not fix this problem. –  Gino Feb 14 '13 at 16:31

3 Answers 3

same issue: http://stackoverflow.com/a/11418828/1040891

In Gtk+ 3 Python bindings to binary modules are generated dynamically using *.typelib databases. The dynamic importer for accessing all the modules is located in gi.repository. PyCharm cannot detect these modules using its code insight, because they require special handling.

Note: IPython can detect and handle these modules

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Problem is explained, but not solved: what "special handling" the gi.repository modules need to remove the false error mark and enable so autompletion? –  MestreLion Nov 7 '13 at 11:10

Go to Window->Preferences and add "gi" to "Forced Builtins" (see screenshots).
You should try Glade for GTK3 gui design (see screenshot).
See final result screenshot.
You could also use Sublime Text 3.

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You must use Python 3.x.

Eclipse->Windows->Preferences->PyDev->Python Interpreter*->Advanced Auto-Config->/usr/share/python3.3**->Ok->Apply->Ok

*If using Python, instead of Jython or IronPython

**If Python 3.3 installed, otherwise try python3, but I've not tested.

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