1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
# -*- coding: utf-8 -*-
"""Extends the logging module from the standard library.
:copyright: 2000-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: General Public License version 2 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"
import logging
from logilab.common.textutils import colorize_ansi
def xxx_cyan(record):
if 'XXX' in record.message:
return 'cyan'
class ColorFormatter(logging.Formatter):
"""
A color Formatter for the logging standard module.
By default, colorize CRITICAL and ERROR in red, WARNING in orange
and INFO in yellow.
self.colors is customizable via the 'color' constructor argument (dictionnary).
self.colorfilters is a list of functions that get the LogRecord
and return a color name or None.
"""
def __init__(self, fmt=None, datefmt=None, colors=None):
logging.Formatter.__init__(self, fmt, datefmt)
self.colorfilters = []
self.colors = {'CRITICAL': 'red',
'ERROR': 'red',
'WARNING': 'magenta',
'INFO': 'yellow',
}
if colors is not None:
assert isinstance(colors, dict)
self.colors.update(colors)
def format(self, record):
msg = logging.Formatter.format(self, record)
if record.levelname in self.colors:
color = self.colors[record.levelname]
return colorize_ansi(msg, color)
else:
for cf in self.colorfilters:
color = cf(record)
if color:
return colorize_ansi(msg, color)
return msg
def set_color_formatter(logger=None, **kw):
"""
Install a color formatter on the 'logger'. If not given, it will
defaults to the default logger.
Any additional keyword will be passed as-is to the ColorFormatter
constructor.
"""
if logger is None:
logger = logging.getLogger()
if not logger.handlers:
logging.basicConfig()
format_msg = logger.handlers[0].formatter._fmt
fmt = ColorFormatter(format_msg, **kw)
fmt.colorfilters.append(xxx_cyan)
logger.handlers[0].setFormatter(fmt)
|
