code: def get_mysql_credentials(cfg_file):
      
  
      try:
          parser = ConfigParser.ConfigParser()
          cfg_fp = open(cfg_file)
          parser.readfp(cfg_fp)
          cfg_fp.close()
      except ConfigParser.NoOptionError:
          cfg_fp.close()
          print('Failed to find mysql connections credentials.')
          sys.exit(1)
      except IOError:
          print('ERROR: Cannot open %s.', cfg_file)
          sys.exit(1)
  
      value = parser.get('dfa_mysql', 'connection')
  
      try:
          # Find location of pattern in connection parameter as shown below:
          # http://username:password@host/databasename?characterset=encoding'
          sobj = re.search(r"(://).*(@).*(/).*(\?)", value)
  
          # The list parameter contains:
          # indices[0], is the index of '://'
          # indices[1], is the index of '@'
          # indices[2], is the index of '/'
          # indices[3], is the index of '?'
          indices = [sobj.start(1), sobj.start(2), sobj.start(3), sobj.start(4)]
  
          # Get the credentials
          cred = value[indices[0] + 3:indices[1]].split(':')
  
          # Get the host name
          host = value[indices[1] + 1:indices[2]]
  
          # Get the database name
          db_name = value[indices[2] + 1:indices[3]]
  
          # Get the character encoding
          charset = value[indices[3] + 1:].split('=')[1]
  
          return cred[0], cred[1], host, db_name, charset
      except (ValueError, IndexError, AttributeError):
          print('Failed to find mysql connections credentials.')
          sys.exit(1)
docs: Get the credentials and database name from options in config file.