Merge pull request 'dev_mail' (#18) from dev_mail into master

Reviewed-on: #18

instance/config.yaml

@@ -22,3 +22,11 @@ openai:
   API_KEY:
   MODEL_NAME: gpt-3.5-turbo
   PROMPT: 你是一个有用的人工智能助理，你尽力确保回答的准确性，避免给出误导信息。
+
+
+mail:
+  host:
+  port:
+  username:
+  from:
+  password:

project/__init__.py

@@ -27,6 +27,7 @@ def create_app():
         app.config['OPENAI_API_KEY'] = conf['openai']['API_KEY']
         app.config['OPENAI_MODEL_NAME'] = conf['openai']['MODEL_NAME']
         app.config['OPENAI_PROMPT'] = conf['openai']['PROMPT']
+        app.config['mail'] = conf['mail']
 
     db.init_app(app)
     login_manager = LoginManager()

project/smtp.py

@@ -0,0 +1,25 @@
+import smtplib
+import logging
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.header import Header
+from . import app
+
+mail_config = app['mail']
+logger = logging.getLogger('waitress')
+
+
+def sendmail(to: str, subject: str, message: str):
+    if not (mail_config['username'] and mail_config['password']):
+        logger.error("smtp email account is not configured")
+    mail = MIMEText(message, "plain")
+    mail['Subject'] = Header(subject)
+    mail['From'] = Header(mail_config['from'])
+    mail['To'] = Header(to)
+    try:
+        smtp = smtplib.SMTP_SSL(mail_config['host'], int(mail_config['port']))
+        smtp.login(mail_config['username'], mail_config['password'])
+        smtp.sendmail(mail_config['username'], to, mail.as_string())
+    except Exception as e:
+        logger.error("sendmail error: %s", repr(e))
+    smtp.quit()