python/pakfire/logger.py

   1 #!/usr/bin/python
   2 ###############################################################################
   3 #                                                                             #
   4 # Pakfire - The IPFire package management system                              #
   5 # Copyright (C) 2011 Pakfire development team                                 #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 import logging
  23 import time
  24
  25 def setup_logging(config=None):
  26         """
  27                 This function initialized the logger that is enabled immediately.
  28         """
  29
  30         l = logging.getLogger()
  31
  32         if len(l.handlers) > 1:
  33                 logging.debug("Logging was already set up. Don't do this again.")
  34                 return
  35
  36         # Remove all previous defined handlers.
  37         for handler in l.handlers:
  38                 l.removeHandler(handler)
  39
  40         # Set level of logger always to DEBUG.
  41         l.setLevel(logging.DEBUG)
  42
  43         # But only log all the debugging stuff on console if
  44         # we are running in debugging mode.
  45         handler = logging.StreamHandler()
  46
  47         if config and config.get("debug"):
  48                 handler.setLevel(logging.DEBUG)
  49         else:
  50                 handler.setLevel(logging.INFO)
  51
  52         l.addHandler(handler)
  53
  54         # The configuration file always logs all messages.
  55         if config:
  56                 handler = logging.FileHandler(config.get("logfile"))
  57                 handler.setLevel(logging.DEBUG)
  58                 l.addHandler(handler)
  59
  60
  61 class BuildFormatter(logging.Formatter):
  62         def __init__(self):
  63                 self._fmt = "[%(asctime)s] %(message)s"
  64                 self.datefmt = None
  65
  66                 self.starttime = time.time()
  67
  68         def converter(self, recordtime):
  69                 """
  70                         This returns a timestamp relatively to the time when we started
  71                         the build.
  72                 """
  73                 recordtime -= self.starttime
  74
  75                 return time.gmtime(recordtime)
  76
  77         def formatTime(self, record, datefmt=None):
  78                 ct = self.converter(record.created)
  79                 t = time.strftime("%H:%M:%S", ct)
  80                 s = "%s,%03d" % (t, record.msecs)
  81                 return s