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我試圖連接到Heroku的postgre SQL數據庫在本地這樣,無法連接到Heroku的postgre SQL數據庫在本地
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
)
可是一個漫長的停頓,我得到了下面的錯誤,之後
psycopg2.OperationalError: could not connect to server: Connection timed out
Is the server running on host "URL" (IP) and accepting
TCP/IP connections on port 5432?
如何修復此錯誤並在本地連接到數據庫?