Source Code for Module edPDB.log

 1  # logging for edPDB 
 2  """Configure logging for edPDB analysis. 
 3   
 4  Import this module if logging is desired in application code. 
 5  """ 
 6   
 7  import logging 
 8   
 9 -def create(logfile='edPDB.log'): 
10      """Create a top level logger. 
11   
12      - The file logger logs everything (including DEBUG). 
13      - The console logger only logs INFO and above. 
14   
15      Logging to a file and the console. 
16       
17      See http://docs.python.org/library/logging.html?#logging-to-multiple-destinations 
18       
19      The top level logger of the library is named 'edPDB'.  Note that 
20      we are configuring this logger with console output. If the root 
21      logger also does this then we will get two output lines to the 
22      console. We'll live with this because this is a simple 
23      convenience library... 
24      """ 
25   
26      logger = logging.getLogger('edPDB') 
27   
28      logger.setLevel(logging.DEBUG) 
29   
30      logfile = logging.FileHandler(logfile) 
31      logfile_formatter = logging.Formatter('%(asctime)s %(name)-12s %(levelname)-8s %(message)s') 
32      logfile.setFormatter(logfile_formatter) 
33      logger.addHandler(logfile) 
34   
35      # define a Handler which writes INFO messages or higher to the sys.stderr 
36      console = logging.StreamHandler() 
37      console.setLevel(logging.INFO) 
38      # set a format which is simpler for console use 
39      formatter = logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s') 
40      console.setFormatter(formatter) 
41      # configure for Mhp1 only 
42      logger.addHandler(console) 
43   
44      return logger 
45   
46 -def clear_handlers(logger): 
47      """clean out handlers in the library top level logger  
48   
49      (only important for reload/debug cycles...) 
50      """ 
51      for h in logger.handlers: 
52          logger.removeHandler(h) 
53