Add mailnag-notify.py

mailnag-notify.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+import sys
+import subprocess
+
+
+def notify_send(subj, data):
+    result = subprocess.run(["notify-send", subj, data])
+    if result.returncode == -127:
+        print("error: notify-send program not found in PATH", file=sys.stderr)
+        exit(1)
+    elif result.returncode != 0:
+        print("error: notify-send failed", file=sys.stderr)
+        exit(1)
+
+
+senders = {}
+
+for i in range(2, len(sys.argv), 3):
+    sender = sys.argv[i + 1]
+    subj = sys.argv[i + 2]
+    print(sender)
+    print(subj)
+    if sender not in senders:
+        senders[sender] = subj
+    elif isinstance(subj, str):
+        senders[sender] = 2
+    else:
+        senders[sender] += 1
+
+for sender, data in senders.items():
+    if isinstance(data, str):
+        notify_send("New mail from " + sender, data)
+    else:
+        notify_send("New mail from " + sender, str(data) + " unread messages")