[openstack-dev] [Oslo] Dumb question on tarball

Salvatore Orlando sorlando at nicira.com
Mon Feb 18 17:27:41 UTC 2013


Hi Monty,

even if I'm not the recipient of your question, I used easy_install
when I had this problem.

Salvatore

On 18 February 2013 18:21, Monty Taylor <mordred at inaugust.com> wrote:
> 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
>>>>>
>>>>> _______________________________________________
>>>>> OpenStack-dev mailing list
>>>>> OpenStack-dev at lists.openstack.org
>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>>
>>>>
>>>>
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>>>
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>>
>>
>>
>
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