initial commit

app/emailer.py

@@ -0,0 +1,25 @@
+import smtplib
+from email.message import EmailMessage
+import urllib.request
+import json
+
+def send_smtp_email(host: str, port: int, user: str, password: str,
+                    mail_from: str, mail_to: str, subject: str, body: str):
+    msg = EmailMessage()
+    msg["From"] = mail_from
+    msg["To"] = mail_to
+    msg["Subject"] = subject
+    msg.set_content(body)
+
+    with smtplib.SMTP(host, port, timeout=10) as s:
+        s.starttls()
+        if user and password:
+            s.login(user, password)
+        s.send_message(msg)
+
+def send_webhook(url: str, payload: dict):
+    data = json.dumps(payload).encode("utf-8")
+    req = urllib.request.Request(url, data=data, headers={"Content-Type": "application/json"})
+    with urllib.request.urlopen(req, timeout=10) as resp:
+        if resp.status >= 300:
+            raise RuntimeError(f"webhook status {resp.status}")