#!/usr/bin/python
import psycopg2
 from config import config
 
	def connect():
    	
	""" Connect to the PostgreSQL database server """
    	conn = None
    	try:
        # read connection parameters
        params = config()
 
        # connect to the PostgreSQL server
        print('Connecting to the PostgreSQL database...')
        conn = psycopg2.connect(**params)
 
        # create a cursor
        cur = conn.cursor()
        
 	# execute a statement
        print('PostgreSQL database version:')
        cur.execute('SELECT version()')
 
        # display the PostgreSQL database server version
        db_version = cur.fetchone()
        print(db_version)
       
     	# close the communication with the PostgreSQL
        cur.close()
    	except (Exception, psycopg2.DatabaseError) as error:
        print(error)
    
	finally:
        if conn is not None:
        	conn.close()
            	print('Database connection closed.')
 
 
	if __name__ == '__main__':
    	connect()

 

Quote:MacBook-Pro-4:python_study bkumar$ ./check_connect.py
File "./check_connect.py", line 3
from config import config

pip install psycopg2