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Akihiro - did you use easy_install or pip?

On 02/18/2013 09:14 AM, Akihiro MOTOKI wrote:
> I encountered the same problem.
> The solution Salvatore says or python setup.py develop for donwloaded
> oslo-config tarball resolved the problem.
> 
> In addtion, currios to say, the current oslo config works fine with
> the fresh install of Ubuntu 12.04.
> I confirm it with devstack. This problem seems to occur when quantum
> is updated from the previous version.
> 
> Thanks,
> Akihiro
> 
> 2013/2/19 Salvatore Orlando <sorlando at nicira.com>:
>> Indeed. This what was looking weird to me, and the reason for which I
>> think I'm doing something dumb.
>> Basically there are many quantum imports that do
>>
>> from oslo.config import cfg
>>
>> and this import fails (on all my 3 dev machines)
>>
>> I am providing more details below so you can tell me what I'm not doing right.
>> This is what happens (and my default sys.path which includes oslo's directory):
>>
>>
>>>>> import sys
>>>>> sys.path
>> ['', '/usr/local/lib/python2.7/dist-packages/alembic-0.4.2-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/tox-1.4.2-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/py-1.4.12-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/virtualenv-1.8.4-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/WebOb-1.2.3-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/unittest2-0.5.1-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/pep8-1.4.2-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/netaddr-0.7.10-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/mock-1.0.1-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/cliff-1.3-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/prettytable-0.6.1-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/fixtures-0.3.12-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/testtools-0.9.29-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/extras-0.0.3-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/openstack.common-2013.1.a172.g8ce5947-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg',
>> '/usr/local/lib/python2.7/dist-packages/stevedore-0.8-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/kombu-1.0.4-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/anyjson-0.2.4-py2.7.egg',
>> '/usr/local/lib/python2.7/dist-packages/greenlet-0.4.0-py2.7-linux-x86_64.egg',
>> '/usr/local/lib/python2.7/dist-packages/oslo_config-2013.1b3-py2.7.egg',
>> '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2',
>> '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old',
>> '/usr/lib/python2.7/lib-dynload',
>> '/usr/local/lib/python2.7/dist-packages',
>> '/usr/lib/python2.7/dist-packages',
>> '/usr/lib/python2.7/dist-packages/PIL',
>> '/usr/lib/python2.7/dist-packages/gst-0.10',
>> '/usr/lib/python2.7/dist-packages/gtk-2.0',
>> '/usr/lib/pymodules/python2.7',
>> '/usr/lib/python2.7/dist-packages/ubuntu-sso-client',
>> '/usr/lib/python2.7/dist-packages/ubuntuone-client',
>> '/usr/lib/python2.7/dist-packages/ubuntuone-control-panel',
>> '/usr/lib/python2.7/dist-packages/ubuntuone-couch',
>> '/usr/lib/python2.7/dist-packages/ubuntuone-installer',
>> '/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol']
>>>>> from oslo.config import cfg as config
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in <module>
>> ImportError: No module named oslo.config
>>>>> quit()
>>
>>
>> Then I do the following, probably horrible thing:
>>
>> salvatore at ubuntu:~$ sudo touch
>> /usr/local/lib/python2.7/dist-packages/oslo_config-2013.1b3-py2.7.egg/oslo/__init__.py
>>
>> And the import works
>>
>> salvatore at ubuntu:~$ python
>> Python 2.7.3 (default, Aug  1 2012, 05:14:39)
>> [GCC 4.6.3] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> from oslo.config import cfg as config
>>>>> type(config.CONF)
>> <class 'oslo.config.cfg.ConfigOpts'>
>>>>>
>>
>>
>>
>>
>> On 18 February 2013 16:19, Doug Hellmann <doug.hellmann at dreamhost.com> wrote:
>>> On Mon, Feb 18, 2013 at 8:58 AM, Salvatore Orlando <sorlando at nicira.com>
>>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> After updating my Quantum code with the one which uses oslo as a
>>>> dependency, making the source tree incredibly slimmer, I saw Quantum
>>>> was still failing in importing oslo, even if it was correctly in the
>>>> pip-requires (and I did re-install the package).
>>>>
>>>> Oslo also showed up correctly in
>>>> /usr/local/lib/python2.7/dist-packages/oslo_config-2013.1b3-py2.7.egg
>>>> I wondered why the import was failing and I found no __init__.py in
>>>> the oslo folder. This was easily fixed, but I am still not able to
>>>> understand what I did wrong (I just did sudo easy_install
>>>> <tarball_url>), since everything looks fine in the tarball.
>>>
>>>
>>> Oslo is a namespace package, so it shouldn't be imported directly and
>>> doesn't need an __init__.py.
>>>
>>> What import was failing and what was the traceback?
>>>
>>> Doug
>>>
>>>>
>>>>
>>>> Regards, and thanks in advance,
>>>> Salvatore
>>>>
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>>>
>>>
>>>
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>>
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