Node-RED로 메일 보내기 (POST)

#! /usr/bin/python
# -*- coding: utf-8 -*-
#
#   server_check_post.py
#
#                   Aug/29/2017
# ------------------------------------------------------------------
import sys
import json
import requests

# ------------------------------------------------------------------
sys.stderr.write("*** 開始 ***\n")
mail_to = "[email protected]"
subject = "Node-RED Mail Test Aug/29/2017 AM 09:38"
#
content = ""
content += "おはようございます。\n"
content += "今日は暑くなりそうです。\n"
content += subject + "\n"
#
payload = {
    "to": mail_to,
    "topic": subject,
    "content": content
    }

headers = {'content-type': 'application/json'}
url = "http://127.0.0.1:1880/post_mail"
#
rr=requests.post(url,data=json.dumps(payload),headers=headers)
print(rr)
print(rr.text)
#
#
sys.stderr.write ("mail_to = " + mail_to + "\n")
sys.stderr.write ("subject = " + subject + "\n")
#
sys.stderr.write("*** 終了 ***\n")
# ------------------------------------------------------------------

node.log ("*** function start ***")
msg.topic = msg.payload.topic
msg.to = msg.payload.to
msg.payload=msg.payload.content
node.log ("*** function end ***")
return msg