[lttng-dev] babeltrace-python bindings

[Alexandre Montplaisir]

 > Ubuntu 12.10

I meant 14.10 (Utopic), my bad.


On 11/06/2014 06:40 PM, Alexandre Montplaisir wrote:
> Hi,
>
> Just a note, the python bindings are also packaged in the 
> Debian/Ubuntu packages, under the "python3-babeltrace" package.
>
> On Ubuntu it's only available on 12.10 and up though, but it should be 
> available if one uses the PPA packages.
>
> Cheers,
> Alexandre
>
>
> On 11/06/2014 03:00 AM, Julien Desfossez wrote:
>> Tested on a fresh Ubuntu 14.04 install and it works !
>>
>> Thanks :-) !!
>>
>> On 14-11-05 04:02 PM, Jérémie Galarneau wrote:
>>> This commit in the master branch should perform the detection and
>>> install the module under dist-packages when using Debian. Could anyone
>>> confirm it works on Ubuntu? I can backport it to stable-1.2 if it
>>> helps.
>>>
>>> commit 1b39e2de5485147dd3dc7089c4edfd685d5cad96
>>> Author: Jérémie Galarneau <jeremie.galarneau at efficios.com>
>>> Date:   Thu Oct 16 16:36:10 2014 -0400
>>>
>>>      Detect Python packages directory on configure
>>>
>>>      The Python interpreter on Debian is configured to use
>>>      ...lib/python.../dist-packages instead of
>>>      .../lib/python.../site-packages to look for extra modules.
>>>
>>>      python_modules.m4 performs a runtime python check of the
>>>      sys.path variable to check wether the selected interpreter is
>>>      configured to use site-packages vs dist-packages.
>>>
>>>      Signed-off-by: Jérémie Galarneau <jeremie.galarneau at efficios.com>
>>>
>>> Regards,
>>> Jérémie
>>>
>>> On Wed, Nov 5, 2014 at 11:29 AM, Julien Desfossez
>>> <jdesfossez at efficios.com> wrote:
>>>> Hi,
>>>>
>>>> The problem resides with the default search path of Python on 
>>>> Debian/Ubuntu.
>>>> When installing manually a Python library, it is installed in
>>>> /usr/local/lib/python3.x/site-packages, but Python on Debian/Ubuntu 
>>>> does
>>>> not look into this path but does look into dist-packages...
>>>>
>>>> So you can either symlink /usr/local/lib/python3.x/dist-packages so
>>>> /usr/local/lib/python3.x/site-packages which is ugly.
>>>>
>>>> Or use this kind of hack at the beginning of your Python program :
>>>> try:
>>>>      from babeltrace import TraceCollection
>>>> except ImportError:
>>>>      # quick fix for debian-based distros
>>>> sys.path.append("/usr/local/lib/python%d.%d/site-packages" %
>>>>                     (sys.version_info.major, sys.version_info.minor))
>>>>      from babeltrace import TraceCollection
>>>>
>>>> You can have a look at this bug report about why it will probably 
>>>> never
>>>> be fixed...
>>>> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=765022
>>>>
>>>> I hope the workaround at least solves the problem you are having,
>>>>
>>>> Julien
>>>>
>>>> On 14-11-04 05:37 PM, Bin YE wrote:
>>>>> Hi there
>>>>>
>>>>> i have installed Lttng and babeltrace
>>>>> my system:Ubuntu 14.04LTS
>>>>> I have made following steps
>>>>>
>>>>> sudo apt-add-repository ppa:lttng/ppa
>>>>> sudo apt-get update
>>>>> sudo apt-get install lttng-tools
>>>>> sudo apt-get install lttng-modules-dkms
>>>>> sudo apt-get install liblttng-ust-dev
>>>>>
>>>>> export PYTHON="python3"
>>>>> export PYTHON_CONFIG="/usr/bin/python3-config"
>>>>>
>>>>> ./configure --enable-python-bindings
>>>>>   make
>>>>>   make install
>>>>>   ldconfig
>>>>>
>>>>> but i still can not use babeltrace python bindings
>>>>> when i run import babeltrace it output error with no module
>>>>>
>>>>> I really need you help about it
>>>>> Thank you very much in advance
>>>>>
>>>>> Bin Ye
>>>>>
>>>>>
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