import psycopg2 as pg_driver
db = pg_driver.connect(user=var_user, password=var_password, host=var_host,
port=var_port)
cursor = db.cursor()
sql_query = ("""select *
from asset_dhcp
where id = 1""")
cursor.execute(sql_query)
result = cursor.fetchall()
db.close()
print(result)

[(1L, '00:50:56:ba:50:16', 131772604591350070L)]