logger.py

import logging
import sys
import os

addedfiles = set()

def addLogFile(file):
    if file in addedfiles:
        return
    addedfiles.add(file)
    sh = logging.StreamHandler(open(logdir+'/'+file,'w'))
    sh.setLevel(logging.INFO)
    sh.setFormatter(formatter)
    dlog.addHandler(sh)

logdir = os.path.expanduser("~") + '/logs'
DL = 1

if not os.path.exists(logdir):
    os.mkdir(logdir)

# log = logging.getLogger("mainLogger")
# log.setLevel(logging.INFO)

dlog = logging.getLogger("logLogger")
dlog.setLevel(logging.INFO)

formatter = logging.Formatter('%(asctime)s - %(levelname)s : %(message)s')

sh = logging.StreamHandler(sys.stdout)
sh.setLevel(logging.INFO)
sh.setFormatter(formatter)
dlog.addHandler(sh)

sh = logging.StreamHandler(open(logdir+'/err.log','w'))
sh.setLevel(logging.INFO)
sh.setFormatter(formatter)
dlog.addHandler(sh)

sh = logging.StreamHandler(open(logdir+'/allerr.log','a'))
sh.setLevel(logging.INFO)
sh.setFormatter(formatter)
dlog.addHandler(sh)


def __fmt(*args):
    if issubclass(type(args), list) \
            or issubclass(type(args), tuple):
        return ' '.join([str(x) for x in args])
    else:
        return args

def printl(*args):
    dlog.info(__fmt(*args))

def printd(*args):
    dlog.info(__fmt(*args))

def printe(*args):
    dlog.error(__fmt(*args))

def stacktrace(msg, *args, **kwargs):
    try:
        msg += '(%r, %r)' %(args, kwargs)
        dlog.exception(msg)
    except:
        printe('Error formatting stack msg')
        dlog.exception(msg)