#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys                                              # Standart library for compile source
import psycopg2                                         # Library for use connection with pgsql
import simplejson                                       # Lobrary for parse string in JSON
# Server program
from socket import *                                    # Foll import library of using and create UDP server (sock)
# Set the socket parameters
host = ""                                               # Listen any interfaces
port = 5005                                             # Port Listener
buf = 1500                                              # Size buffer for UDP listener
addr = (host,port)                                      # VARiable of sock connection
# Create socket and bind to address
UDPSock = socket(AF_INET,SOCK_DGRAM)                    # The create of socket connection
UDPSock.bind(addr)                                      # and accept configure
# Connector pgsql
con = psycopg2.connect('host=localhost dbname=logger_py user=log')          # Connector for database pgsql 
cur = con.cursor()                                      # Database connection cursor, aka. OPEN stream
# Receive messages
while True:
        data,addr = UDPSock.recvfrom(buf)               # Recive the data input on host (listen up comment of 'addr') in standart stream on the UDPsock
        if data:                                        # Statement of data
                res = simplejson.loads(data)            # VARiable of using standart lib simplejson for parse stream in data (Recived on UDPSock)
                cur.execute("insert into logger_py(point, datatime, event_id, cardnumber, firstname, lastname, dep, nick) values (%s, %s, %s, %s, %s, %s, %s, %s)", (res['POINT'], res['DATATIME'], res['EVENTID'], res['CARDNUMBER'], res['FIRSTNAME'], res['LASTNAME'], res['DEP'], res['MIDDLENAME']))
                                                        # This is string of request in database with 8(eight row) and 8(eight) Values, 
                                                                # Which take the value of the parse content JSON
                con.commit()                            # Send request after check on exploite or injection, and close connection
                print "\nReceived message '", data,"'"  # DEBUG info
                f = open('out.txt', 'a')                # -= Special for СКЛЕРОЗ =-
                f.write("\nReceived message '")         # -=  параллельно пишем  =-
                f.write(data)                           # -=  полученные даныне  =-
                f.write("' ;")                          # -=  в файл в каталоге  =- 
                f.close()                               # -=      ЗАКРЫВАЕМ      =-
                print "\nReceived message '", data,"'"  # DEBUG info
# Close socket
UDPSock.close()

Received message '{"POINT":"Дверь3","DATATIME":"2012-06-21 13:14:24","EVENTID":"22","CARDNUMBER":"********","FIRSTNAME":"username","LASTNAME":"usersurname","MIDDLENAME":"nickname","DEP":"departament"}' ;

import logging
import random
import time
 
 
def action():
    if random.choice([True, False]):
        raise ValueError
    return time.time()
 
 
while True:
    try:
        current_time = action()
        print current_time
     
    except ValueError:
        logging.error('No time.')
     
    time.sleep(3)

[21:23] home:~/dev python exc.py 
1341941004.31
ERROR:root:No time.
1341941010.32
1341941013.33
ERROR:root:No time.
1341941019.33
...