[Flask] Logging from non-flask objects
Scott Werner
scott.werner.vt at gmail.com
Fri Jul 8 09:35:50 EDT 2016
Expanding on Ziirish's reply, I do the following:
import logging
class MyObject(object):
def __init__(self, logger=None):
self.logger = logger or logging.getLogger(__name__)
def hello(self):
self.logger.info('hi')
my = MyObject(logger=current_app.logger)
On Fri, Jul 8, 2016 at 5:49 AM, Ziirish <ziirish at ziirish.info> wrote:
> Hello,
>
> As usual, there is more than one way to do it.
> I don't know what is the best way to do it though so here are a few
> examples.
>
> 1. Use the current_app object. In the module defining your object you can
> do
> this:
>
> from flask import current_app
>
> class MyObject:
> def foo(self):
> current_app.logger.info('bar')
>
>
> 2. Like you suggested, you could pass to your object the flask app (that's
> basically what most of the flask extensions do):
>
> class MyObject:
> def __init__(self, app=None):
> self.app = app
>
> def init_app(self, app):
> self.app = app
>
> def foo(self):
> self.app.logger.info('bar')
>
>
> There are probably other ways but those are the two most common IMHO.
>
>
> * On Thursday, July 07, 2016 at 05:27 PM -0400, Guy Matz <
> guymatz at gmail.com> wrote:
> > Hi! Can anyone recommend a way to log from objects that are not flask
> > objects? I.e. if my flask code creates a new object that does some
> > processing, etc., how can I get access to the logger from that object?
> Do
> > I need to pass in the logger to the new object? Or is there a better
> way?
> >
> > Thanks!
> > Guy
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>
--
Scott Werner
scott.werner.vt at gmail.com
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