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-rw-r--r--portato/log.py86
1 files changed, 86 insertions, 0 deletions
diff --git a/portato/log.py b/portato/log.py
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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
+
+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
+
+ def format (self, record):
+ string = logging.Formatter.format(self, record)
+ color = None
+
+ if os.isatty(sys.stderr.fileno()):
+ 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(os.path.join(SESSION_DIR, "portato.log"), "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