Support desktop notifications on Linux with notify-send

fedmon/__init__.py

@@ -1 +1,2 @@
 __version__ = "0.1.0"
+appname = __name__

fedmon/cli.py

@@ -1,6 +1,7 @@
 import csv
 import functools
 import itertools
+import subprocess
 import time
 from datetime import datetime
 from enum import Enum
@@ -14,6 +15,8 @@ from pydantic import BaseModel, BaseSettings, Field
 from tabulate import tabulate as tab
 from tabulate import tabulate_formats
 
+from fedmon import appname
+
 app = typer.Typer()
 tabulate_formats = set(tabulate_formats)
 
@@ -99,7 +102,15 @@ def format_response(summary: Summary, format: AllowedFormat, count: int) -> str:
 
 
 @app.command()
-def main(format: AllowedFormat = typer.Option(default="json", show_choices=True)):
+def main(
+    format: AllowedFormat = typer.Option(
+        default="json", show_choices=True, help="The format to display results in."
+    ),
+    send_notification: bool = typer.Option(
+        default=False,
+        help="If set, use `notify-send` to raise a desktop notification, if available.",
+    ),
+):
     prev = None
     counter = itertools.count()
     while True:
@@ -109,5 +120,18 @@ def main(format: AllowedFormat = typer.Option(default="json", show_choices=True)
         if summary != prev:
             if summary:
                 typer.echo(format_response(summary, format, next(counter)))
+                if send_notification:
+                    try:
+                        subprocess.check_call(
+                            [
+                                "notify-send",
+                                appname,
+                                format_response(
+                                    summary, AllowedFormat.json, next(counter)
+                                ),
+                            ]
+                        )
+                    except subprocess.CalledProcessError as e:
+                        typer.echo(e, err=True)
             prev = summary
         time.sleep(config.poll)