[openstack-dev] [Neutron] ImportError: No module named neutron_lib

Sam batmanustc at gmail.com
Thu Mar 9 06:33:11 UTC 2017


Sorry, it's oslo_db, I'm wrong

2017-03-09 14:22 GMT+08:00 Sam <batmanustc at gmail.com>:

> I found this:
>
> from oslo_config import ...
> from oslo_db import ...
> from neutron_lib import ...
>
> actually these libraries is oslo.config, oslo.db, neutron.lib
>
> Why not write like this: from oslo.config import ... ?
>
> And for local package, its: from neutron.api import ...
>
> WHY ?
>
> 2017-03-08 5:28 GMT+08:00 Tony Breeds <tony at bakeyournoodle.com>:
>
>> On Tue, Mar 07, 2017 at 04:04:55PM +0800, Sam wrote:
>> > Is this?
>> >
>> > https://pypi.python.org/pypi/neutron-lib
>>
>> Make sure you're installing with upper-constratints otehrwise you'll get
>> components that rely on features for newer releases
>>
>> Assuming you're installing with pip something like[1]
>>
>> wget 'http://tarballs.openstack.org/neutron/neutron-8.4.0-py2.py3
>> -none-any.whl'
>> wget 'http://git.openstack.org/cgit/openstack/requirements/plain/
>> upper-constraints.txt?h=stable/mitaka'
>>
>> pip install -c upper-constratints.txt ./neutron-8.4.0-py2.py3-none-a
>> ny.whl
>>
>> Should get you a stable/mitaka neutron with appropriate versions of all
>> libraries in use.
>>
>> Yours Tony.
>>
>> [1] You may be able to pass the URLs directly to pip but I haven't tested
>> that for wheels
>>
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>
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