Source Code for Module PyFoam.Infrastructure.Logging

 1  #  ICE Revision: $Id: Logging.py 7832 2007-08-28 13:07:26Z bgschaid $  
 2  """Writes Logfiles""" 
 3   
 4  try: 
 5      import logging 
 6      hasLogging=True 
 7  except ImportError: 
 8      # For Python-versions < 2.3 
 9      print "Warning: old python-version. No logging-support" 
10      hasLogging=False 
11       
12  from Hardcoded import assertDirectory,logDirectory 
13  from os import path,uname 
14   
15  from PyFoam import configuration as config 
16   
17  _definedLoggers=[] 
18   
19 -def _getLoggingLevel(name): 
20      """Gets the logging level value from its name""" 
21      level=config().get("Logging","default") 
22   
23      try: 
24          level=config().get("Logging",name) 
25      except: 
26          pass 
27   
28      value=logging.INFO 
29      try: 
30          value=getattr(logging,level) 
31      except AttributeError,reason: 
32          print "WARNING: Wrong specification of debug level "+level+" for log "+name 
33           
34      return value 
35   
36 -class DummyLogger: 
37 -    def __init__(self): 
38          pass 
39   
40 -    def info(self,arg): 
41          pass 
42       
43 -def foamLogger(name="general"): 
44      """ 
45      @param name: name of the logfile 
46      @return: a logger that is correctly set up for pyFoam 
47      """ 
48   
49      if not hasLogging: 
50          return DummyLogger() 
51       
52      log=logging.getLogger(name) 
53      if not (name in _definedLoggers): 
54          assertDirectory(logDirectory()) 
55          lname=path.join(logDirectory(),name) 
56          #        rot=logging.TimedRotatingFileHandler(lname,when="M",interval=2,backupCount=5) 
57          rot=logging.FileHandler(lname) 
58          machine=uname()[1].split(".")[0] 
59          rot.setFormatter(logging.Formatter(fmt="%(asctime)s "+("%15s" % machine)+":%(process)-6d %(levelname)-8s %(message)s - in %(filename)s:%(lineno)d")) 
60          log.addHandler(rot) 
61          log.setLevel(_getLoggingLevel(name)) 
62          _definedLoggers.append(name) 
63           
64      return log 
65