[Nix-dev] Trouble with pygobject

[Richard Wallace]

D'oh! I must have dropped that somewhere along the lines. Thanks!

On Fri, Oct 31, 2014 at 3:01 PM, Luca Bruno <lethalman88 at gmail.com> wrote:

> Put gtk, pango and gdk-pixbuf in the buildInputs.
>
> On Fri, Oct 31, 2014 at 10:59 PM, Richard Wallace <
> rwallace at thewallacepack.net> wrote:
>
>> The nix expression was linked.
>>
>> I noticed that virt-manager is using pyobject3 so I tried changing to use
>> that too, and I got further.  Now I'm getting
>>
>> ERROR:root:Could not find any typelib for Gtk
>> ERROR:root:Could not find any typelib for Gdk
>> ERROR:root:Could not find any typelib for Pango
>> ERROR:root:Could not find any typelib for GdkPixbuf
>> Traceback (most recent call last):
>>   File
>> "/nix/store/wm1ybs2040xxw8r7d4448qifjb0ckazg-python3.4-pithos-1.0.1/bin/..pithos-wrapped-wrapped",
>> line 10, in <module>
>>     load_entry_point('pithos==1.0.1', 'gui_scripts', 'pithos')()
>>   File
>> "/nix/store/kpcbbc1104jqd39njz1c709jlrmbkzfj-python3.4m-setuptools-5.8/lib/python3.4/site-packages/setuptools-5.8-py3.4.egg/pkg_resources.py",
>> line 339, in load_entry_point
>>     return get_distribution(dist).load_entry_point(group, name)
>>   File
>> "/nix/store/kpcbbc1104jqd39njz1c709jlrmbkzfj-python3.4m-setuptools-5.8/lib/python3.4/site-packages/setuptools-5.8-py3.4.egg/pkg_resources.py",
>> line 2457, in load_entry_point
>>     return ep.load()
>>   File
>> "/nix/store/kpcbbc1104jqd39njz1c709jlrmbkzfj-python3.4m-setuptools-5.8/lib/python3.4/site-packages/setuptools-5.8-py3.4.egg/pkg_resources.py",
>> line 2171, in load
>>     ['__name__'])
>>   File
>> "/nix/store/wm1ybs2040xxw8r7d4448qifjb0ckazg-python3.4-pithos-1.0.1/lib/python3.4/site-packages/pithos/pithos.py",
>> line 26, in <module>
>>     from gi.repository import Gst, GstPbutils, GObject, Gtk, Gdk, Pango,
>> GdkPixbuf, Gio, GLib
>> ImportError: cannot import name 'Gtk'
>>
>> so, progress, I guess?
>>
>> Rich
>>
>> On Fri, Oct 31, 2014 at 2:55 PM, Luca Bruno <lethalman88 at gmail.com>
>> wrote:
>>
>>> What pygobject are using? Please write down the .nix expression.
>>>
>>> On Fri, Oct 31, 2014 at 10:45 PM, Richard Wallace <
>>> rwallace at thewallacepack.net> wrote:
>>>
>>>> On Fri, Oct 31, 2014 at 12:05 PM, Bjørn Forsman <
>>>> bjorn.forsman at gmail.com> wrote:
>>>>
>>>>> Hi Richard,
>>>>>
>>>>> On 31 October 2014 19:28, Richard Wallace <rwallace at thewallacepack.net>
>>>>> wrote:
>>>>> > Hey all,
>>>>> [...]
>>>>> > Now I'm trying to get pithos (a Pandora GTK client) built [1].
>>>>> Pithos
>>>>> > builds and everything looks ok, but when I try and run it I get
>>>>> > `ImportError: No module named gi`.  I'm not familiar with Python
>>>>> > development, but a bit of Googling indicates that python can't
>>>>> pygobject.
>>>>> >
>>>>> > Looking at the wrapper created, I see the path to
>>>>> >
>>>>> `/nix/store/hlyp3a9cy5k7qhfc1chd1v3bm2jljazn-pygobject-2.28.6/lib/python2.7/site-packages`
>>>>> > included in the PYTHONPATH.
>>>>>
>>>>> I think you need to add gobjectIntrospection to buildInputs, and then
>>>>> wrap the executable with GI_TYPELIB_PATH set to GI_TYPELIB_PATH from
>>>>> the build environment. See the virt-manager expression for example.
>>>>>
>>>>
>>>> Thanks for the suggestion.  It seems to make sense, so I modified the
>>>> package as you suggested [1]. Unfortunately I'm still getting the same
>>>> error.
>>>>
>>>> The `pithos` script includes the line
>>>>
>>>>   export
>>>> GI_TYPELIB_PATH=/nix/store/9imvrzskcak2998zj1242jxgl4p9m5dp-gst-plugins-base-1.4.1/lib/girepository-1.0:/nix/store/byi4j636s13m8w28nvqiakn6nzakmadr-gstreamer-1.4.1/lib/girepository-1.0:/nix/store/y06kp3fxw3r5r3nfkqzc8l3y7r3kvns0-libnotify-0.7.6/lib/girepository-1.0:/nix/store/4z6rr314xg1iszkn2wjvvl16yfmwgwa7-gobject-introspection-1.40.0/lib/girepository-1.0${GI_TYPELIB_PATH:+:}$GI_TYPELIB_PATH
>>>>
>>>> so it looks like it is doing what it is supposed to.
>>>>
>>>> Rich
>>>>
>>>> [1] http://pastebin.com/amAc8wpG
>>>>
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>>>>
>>>
>>>
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>>>
>>
>>
>
>
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> www.debian.org - The Universal Operating System
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