Source code for ecpi.logger_ecpi

'''
Created on 29 juil. 2019

@author: Colley Jean-Marc
'''

import logging
import datetime


DICT_LEVELS = {
    'debug': logging.DEBUG,
    'info': logging.INFO,
    'warning': logging.WARNING,
    'error': logging.ERROR,
    'critical': logging.CRITICAL
}


def check_logger_level(str_level):
    """Check the validity of the logger level specified in simu_config
    and choose the appropriate one.
    """    
    try:
        return DICT_LEVELS[str_level]
    except:
        return DICT_LEVELS['warning']

       
class ECPILogger(object):
    def __init__(self, cfg=None):
        """**Constructor**
        
        :param cfg: configuration container from the configuration file
        :type cfg: ConfigParser
        """
        if cfg is not None:
            log_level = check_logger_level(cfg['general']['logger_level'])
        else:
            log_level = logging.WARNING
        
        self.logger = logging.getLogger('ecpi')
        self.logger.setLevel(log_level)
        self.log_level = log_level
        
        fh = logging.FileHandler('simu_channel.log', mode='w')
        fh.setLevel(self.log_level)
        ch = logging.StreamHandler()
        ch.setLevel(self.log_level)
        
        formatter = logging.Formatter('%(asctime)s#%(levelname)s[%(lineno)d]%(name)s: %(message)s','%H:%M:%S.%f')
        fh.setFormatter(formatter)
        ch.setFormatter(formatter)
        
        self.logger.addHandler(fh)
        self.logger.addHandler(ch)
        self.filehandler = fh
        self.streamhandler = ch
        
    def message_start(self):
        self.logger.info('===========> Start at '+ get_now_string())
 
    def message_end(self):
        self.logger.info('===========> End at '+ get_now_string())
        

def get_logger_path(pfile):
    """
    /home/user/projet/ECLAIRs/ecpi/simu/pipeline/eclairs_channel_simu_case.py
    
    .. warning: dead code
    """
    p_ecpi = __file__.find('/ecpi/')
    if p_ecpi ==None:
        return None
    g_str = pfile[p_ecpi+1:-3].replace('/','.')
    return g_str

def get_now_string():
    """
    .. warning: dead code
    """
    return datetime.datetime.now().strftime('%Y-%m-%dT%H:%M:%SZ')