Initial commit

check.py

@@ -0,0 +1,62 @@
+#!/usr/bin/python3
+"""Watch https://osmcal.org/ for another Paris OSM hack weekend."""
+
+import email.message
+import email.utils
+import smtplib
+import sys
+
+import requests
+
+MAIL_FROM = "edward@4angle.com"
+MAIL_TO = "edward@4angle.com"
+SMTP_HOST = "4angle.com"
+
+URL = "https://osmcal.org/api/v2/events/?in=France"
+
+
+def send_mail(subject: str, body: str) -> None:
+    """Send an e-mail."""
+    msg = email.message.EmailMessage()
+
+    msg["Subject"] = subject
+    msg["To"] = f"Edward Betts <{MAIL_TO}>"
+    msg["From"] = f"OSM Calendar alert <{MAIL_FROM}>"
+    msg["Date"] = email.utils.formatdate()
+    msg["Message-ID"] = email.utils.make_msgid()
+
+    msg.set_content(body)
+
+    s = smtplib.SMTP(SMTP_HOST)
+    s.sendmail(MAIL_FROM, [MAIL_TO], msg.as_string())
+    s.quit()
+
+
+def check_for_paris_events() -> None:
+    """Check for upcoming OSM events in Paris and send an email if found."""
+    r = requests.get(URL)
+    events = r.json()
+
+    paris_events = [
+        event for event in events if "paris" in event["location"]["detailed"].lower()
+    ]
+
+    if not paris_events:
+        if sys.stdin.isatty():
+            print(f"{len(events)} events found, none in Paris.")
+        return
+
+    subject = "Upcoming Paris OSM Hack Weekend Found!"
+    count = len(paris_events)
+    body = f"Found {count} {'event' if count == 1 else 'events'} in Paris:\n\n"
+    for event in paris_events:
+        body += (
+            f"{event['name']} - {event['url']}\n"
+            + f"Date: {event['date']['human']}\n"
+            + f"Location: {event['location']['detailed']}\n\n"
+        )
+    send_mail(subject, body)
+
+
+if __name__ == "__main__":
+    check_for_paris_events()