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# -*- coding: utf-8 -*-
#
# File: portato/log.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
# Copyright (C) 2008 René 'Necoro' Neumann
# This is free software. You may redistribute copies of it under the terms of
# the GNU General Public License version 2.
# There is NO WARRANTY, to the extent permitted by law.
#
# Written by René 'Necoro' Neumann <necoro@necoro.net>
from __future__ import absolute_import
import logging
import sys
import os
from .constants import SESSION_DIR
(S_NOT, S_STREAM_ONLY, S_BOTH) = range(3)
started = S_NOT
LOGFILE = os.path.join(SESSION_DIR, "portato.log")
class OutputFormatter (logging.Formatter):
colors = {
"blue" : 34,
"green" : 32,
"red" : 31,
"yellow": 33
}
def __init__(self, *args, **kwargs):
logging.Formatter.__init__(self, *args, **kwargs)
for key, value in self.colors.iteritems():
self.colors[key] = "\x1b[01;%02dm*\x1b[39;49;00m" % value
if hasattr(sys.stderr, "fileno"):
self.istty = os.isatty(sys.stderr.fileno())
else:
self.istty = False # no fileno -> save default
def format (self, record):
string = logging.Formatter.format(self, record)
color = None
if self.istty:
if record.levelno <= logging.DEBUG:
color = self.colors["blue"]
elif record.levelno <= logging.INFO:
color = self.colors["green"]
elif record.levelno <= logging.WARNING:
color = self.colors["yellow"]
else:
color = self.colors["red"]
else:
color = "%s:" % record.levelname
return "%s %s" % (color, string)
def start(file = True):
global started
if started == S_BOTH: return
# logging: root (file)
if file:
if not (os.path.exists(SESSION_DIR) and os.path.isdir(SESSION_DIR)):
os.mkdir(SESSION_DIR)
formatter = logging.Formatter("%(levelname)-8s: %(message)s (%(filename)s:%(lineno)s)")
handler = logging.FileHandler(LOGFILE, "w")
handler.setFormatter(formatter)
logging.getLogger("portatoLogger").addHandler(handler)
if started == S_NOT:
logging.getLogger("portatoLogger").setLevel(logging.DEBUG)
logging.getLogger("portatoLogger").propagate = False
# logging: stream
# this logger should be used
if started == S_NOT:
formatter = OutputFormatter("%(message)s (%(filename)s:%(lineno)s)")
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logging.getLogger("portatoLogger.stream").addHandler(handler)
logging.getLogger("portatoLogger.stream").setLevel(logging.DEBUG)
started = S_BOTH if file else S_STREAM_ONLY
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