vw.py

class logger:
    def __init__(self,fname=None,copy_to_stdout=True):
        self.copy_to_stdout=copy_to_stdout
        if fname:
            x=datetime.datetime.now()
            self.fd = open('%s-%04d%02d%02d%02d%02d.log'%(fname,x.year,x.month,x.day,x.hour,x.minute),'w')
        else:
            self.copy_to_stdout = False
            self.fd = sys.stdout
    def log(self,*s):
        print >>self.fd,datetime.datetime.utcnow(),s
        if self.copy_to_stdout:
            print datetime.datetime.utcnow(),s
        self.fd.flush()


info_log = logger('info.log')
failed_honest_models = logger('failed_honest_models.log')
failed_smaato_models = logger('failed_smaato_models.log')
not_enough_data_tuples = logger('not_enough_data.log')
processed_data = logger('processed_data.log')