root / snf-common / synnefo / util / log.py @ 7fb619a0
History | View | Annotate | Download (2.3 kB)
1 |
# Copyright 2011 GRNET S.A. All rights reserved.
|
---|---|
2 |
#
|
3 |
# Redistribution and use in source and binary forms, with or
|
4 |
# without modification, are permitted provided that the following
|
5 |
# conditions are met:
|
6 |
#
|
7 |
# 1. Redistributions of source code must retain the above
|
8 |
# copyright notice, this list of conditions and the following
|
9 |
# disclaimer.
|
10 |
#
|
11 |
# 2. Redistributions in binary form must reproduce the above
|
12 |
# copyright notice, this list of conditions and the following
|
13 |
# disclaimer in the documentation and/or other materials
|
14 |
# provided with the distribution.
|
15 |
#
|
16 |
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 |
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 |
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 |
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 |
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 |
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 |
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 |
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 |
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 |
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 |
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 |
# POSSIBILITY OF SUCH DAMAGE.
|
28 |
#
|
29 |
# The views and conclusions contained in the software and
|
30 |
# documentation are those of the authors and should not be
|
31 |
# interpreted as representing official policies, either expressed
|
32 |
# or implied, of GRNET S.A.
|
33 |
|
34 |
import logging |
35 |
|
36 |
from synnefo import settings |
37 |
|
38 |
from synnefo.util.dictconfig import dictConfig |
39 |
|
40 |
|
41 |
class NullHandler(logging.Handler): |
42 |
def emit(self, record): |
43 |
pass
|
44 |
|
45 |
logging.NullHandler = NullHandler |
46 |
|
47 |
|
48 |
def disable_unused_loggers(): |
49 |
"""Disable handlers that are not used by any logger"""
|
50 |
|
51 |
logging = settings.LOGGING |
52 |
|
53 |
active_handlers = set()
|
54 |
loggers = logging.get('loggers', {})
|
55 |
for logger in loggers.values(): |
56 |
active_handlers.update(logger.get('handlers', []))
|
57 |
|
58 |
handlers = logging.get('handlers', {})
|
59 |
for handler in handlers: |
60 |
if handler not in active_handlers: |
61 |
handlers[handler] = {'class': 'logging.NullHandler'} |
62 |
|
63 |
|
64 |
disable_unused_loggers() |
65 |
dictConfig(settings.LOGGING) |
66 |
|
67 |
|
68 |
def getLogger(name): |
69 |
return logging.getLogger(name)
|