Doug Hellmann <d...@doughellmann.com> wrote:

> 
> 
> On Fri, Jan 23, 2015, at 12:49 PM, Mike Bayer wrote:
>> Mike Bayer <mba...@redhat.com> wrote:
>> 
>>> Ihar Hrachyshka <ihrac...@redhat.com> wrote:
>>> 
>>>> On 01/23/2015 05:38 PM, Mike Bayer wrote:
>>>>> Doug Hellmann <d...@doughellmann.com> wrote:
>>>>> 
>>>>>> We put the new base class for RequestContext in its own library because
>>>>>> both the logging and messaging code wanted to influence it's API. Would
>>>>>> it make sense to do this database setup there, too?
>>>>> whoa, where’s that? is this an oslo-wide RequestContext class ? that would
>>>>> solve everything b.c. right now every project seems to implement
>>>>> RequestContext themselves.
>> 
>> 
>> so Doug -
>> 
>> How does this “influence of API” occur, would oslo.db import
>> oslo_context.context and patch onto RequestContext at that point? Or the
>> other way around? Or… ?
> 
> No, it's a social thing. I didn't want dependencies between
> oslo.messaging and oslo.log, but the API of the context needs to support
> use cases in both places.
> 
> Your case might be different, in that we might need to actually have
> oslo.context depend on oslo.db in order to call some setup code. We'll
> have to think about whether that makes sense and what other dependencies
> it might introduce between the existing users of oslo.context.

hey Doug -

for the moment, I have oslo_db.sqlalchemy.enginefacade applying its descriptors 
at import time onto oslo_context:

https://review.openstack.org/#/c/138215/30/oslo_db/sqlalchemy/enginefacade.py

https://review.openstack.org/gitweb?p=openstack/oslo.db.git;a=blob;f=oslo_db/sqlalchemy/enginefacade.py;h=3f76678a6c9788f62288c8fa5ef520db8dff2c0a;hb=bc33d20dc6db2f8e5f8cb02b4eb5f97d24dafb7a#l692

https://review.openstack.org/gitweb?p=openstack/oslo.db.git;a=blob;f=oslo_db/sqlalchemy/enginefacade.py;h=3f76678a6c9788f62288c8fa5ef520db8dff2c0a;hb=bc33d20dc6db2f8e5f8cb02b4eb5f97d24dafb7a#l498




> 
> Doug
> 
>> I’m almost joyful that this is here.   Assuming we can get everyone to
>> use it, should be straightforward for that right?
>> 
>> 
>> 
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