Testing some parsing.

parseing_test.py

from time import strftime
import math

'''
  Parse `input.conf`, store [access_key] in dict with tupple of IPs.

    # `input.conf` file
    access1, key1, 192.168.0.1; 192.168.0.2; 192.168.0.3
    access2, key1, 192.168.0.1; 192.168.0.2; 192.168.0.3
    access3, key1, 192.168.0.1; 192.168.0.2; 192.168.0.3
    access1, key2, 192.168.0.1; 192.168.0.2; 192.168.0.3
    access2, key2, 192.168.0.1; 192.168.0.2; 192.168.0.3
    access3, key2, 192.168.0.1; 192.168.0.2; 192.168.0.3
'''


class Logger(object):
  ''' Simple Logger - keep it simple J! '''
  
  _debug = True
  _timestamp_format = '%a, %d %b %Y %H:%M:%S %z'

  @staticmethod
  def _logit(msg_type, msg, pre, post):
    print "%s %s - [%s]: %s%s" % (pre, msg_type, strftime(Logger._timestamp_format), msg, post)

  @staticmethod
  def info(msg, pre="", post=""):
    ''' Direct info logger '''
    Logger._logit("INFO", msg, pre, post)
  
  @staticmethod
  def debug(msg, pre="", post=""):
    ''' Direct debug logger '''
    if Logger._debug:
      Logger._logit("DEBUG", msg, pre, post)
  
  @staticmethod
  def error(msg, pre="", post=""):
    ''' Direct error logger '''
    if Logger._debug:
      Logger._logit("ERROR", msg, pre, post)


class AccessParser:

  def __init__(self, input_file_name=""):

    if len(input_file_name) == 0:
      Logger.error("No input file was specified!")
      raise Exception, "No input file was specified!"

    self.file_name = input_file_name
    self.file = open(input_file_name, 'r')
    self.access_list = {}
  
  def isProper(self, line):
    is_proper = True
    data = line.split(',')

    is_proper = False if (len(data) < 3) else True

    #print map(lambda x: 1 if len(x) == 0 else 0, data)
    if math.fsum([1 if len(x.strip()) == 0 else 0 for x in data]) > 0:
      is_proper = False
      
    if is_proper == True and math.fsum([1 if len(x.strip()) == 0 else 0 for x in data[2].split(';')]) > 0:
      is_proper = False

    #Logger.debug("Input line: [%s] is_proper = %s" % (line, is_proper) )
    
    return is_proper
      
  def parse(self):
    for line in self.file:
      if self.isProper(line):
        data = line.split(',')
        self.access_list["%s_%s" % (data[0].strip(), data[1].strip())] = data[2].strip().split(';')
      else:
        Logger.error("Input data from file:[%s] is not proper." % self.file_name)
    
    self.file.close()
  
  def printList(self):
    print self.access_list

new_obj = AccessParser('input.conf')
new_obj.parse()
new_obj.printList()