from flask import Flask
import sys
import psycopg2
import urlparse

urlparse.uses_netloc.append("postgres")
url = urlparse.urlparse("postgres://url")

conn = psycopg2.connect(
    database=url.path[1:],
    user=url.username,
    password=url.password,
    host=url.hostname,
    port=url.port
)