How to set up logging for a Python Pyramid Waitress server?

Question

I am trying to setup logging for a Python Pyramid Waitress Server. I have followed the docs here: Pyramid logging and here: Pyramid PasteDeploy logging. I have tired both methods which have yield no logging results from waitress. My own logging works perfectly.

I have set Waitress logging level to DEBUG and I get nothing even I remove server files. Waitress fails server silently.

How do you set up logging for a Pyramid Waitress Server so I can see files be requested, missing file errors, etc?

Method 1: Setup from code:

import logging
logging.basicConfig()
logger = logging.getLogger('waitress')
logger.setLevel(logging.DEBUG)

Method 2: Starting the server with pserve development.ini where the development.ini file sets up the logging as below

[app:main]
use = egg:MyProject

pyramid.reload_templates = true
pyramid.debug_authorization = false
pyramid.debug_notfound = false
pyramid.debug_routematch = false
pyramid.default_locale_name = en
pyramid.includes =
pyramid_debugtoolbar

[server:main]
use = egg:waitress#main
host = 0.0.0.0
port = 6543



[loggers]
keys = root, myproject, waitress

[handlers]
keys = console

[formatters]
keys = generic

[logger_root]
level = INFO
handlers = console

[logger_myproject]
level = DEBUG
handlers =
qualname = myproject


[logger_waitress]
level = DEBUG
handlers =
qualname = waitress


[handler_console]
class = StreamHandler
args = (sys.stderr,)
level = NOTSET
formatter = generic

[formatter_generic]
format = %(asctime)s %(levelname)-5.5s [%(name)s][%(threadName)s] %(message)s

Answer 1

The logging configuration actually works. Here I demonstrate a simple view to emit logging message for waitress logger

@view_config(route_name='hello_baby', 
             request_method='GET', 
             renderer='string')
def hello_baby(request):
    import logging
    logger = logging.getLogger('waitress')
    logger.info('Hello baby!')
    return 'Hi there'

You should be able to see the logging message when you hit the page. The reason you didn't see messages from waitress is - there is no logging messages are emitted for common routines in waitress. It only emits messages when something goes wrong, you can read the source code

For some other knowledge about Python logging, you can read my article : Good logging practice in Python

Answer 2

I got console logging (for all requests) to show up by using paste's translogger; A good example is at http://flask.pocoo.org/snippets/27/.

Here's the relevant section of my .ini:

[app:main]
use = egg:${:app}
filter-with = translogger

[filter:translogger]
use = egg:Paste#translogger
# these are the option default values (see http://pythonpaste.org/modules/translogger.html)
# logger_name='wsgi'
# format=None
# logging_level=20
# setup_console_handler=True
# set_logger_level=10