import re


def _parse_log_entry(l):
    """
    Returns an re match object with the contents:
    
    First group: timestamp
    2: module name
    3: logging level
    4: message
    """
    pattern = re.compile(r'(\d*-\d*-\d* \d*:\d*:\d*,\d*) - ([\w.]+) - (\w*) - (.+)')
    return pattern.match(l)