From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Date: Fri, 10 Mar 2023 09:59:47 +0000 (+0100)
Subject: bindings: python: examples: add gpionotify.py
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=40252603516b510b8c728a7d22b1ac99dcefbe1d;p=qemu-gpiodev%2Flibgpiod.git

bindings: python: examples: add gpionotify.py

Add a new Python code examples - gpionotify.py - which is a simplified
reimplementation of the gpionotify tool.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---

diff --git a/bindings/python/examples/Makefile.am b/bindings/python/examples/Makefile.am
index f42b80e..9463a9f 100644
--- a/bindings/python/examples/Makefile.am
+++ b/bindings/python/examples/Makefile.am
@@ -7,4 +7,5 @@ EXTRA_DIST = \
 	gpioget.py \
 	gpioinfo.py \
 	gpiomon.py \
+	gpionotify.py \
 	gpioset.py
diff --git a/bindings/python/examples/gpionotify.py b/bindings/python/examples/gpionotify.py
new file mode 100755
index 0000000..4e50515
--- /dev/null
+++ b/bindings/python/examples/gpionotify.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
+
+"""Simplified reimplementation of the gpionotify tool in Python."""
+
+import gpiod
+import sys
+
+if __name__ == "__main__":
+    if len(sys.argv) < 3:
+        raise TypeError("usage: gpionotify.py <gpiochip> <offset1> <offset2> ...")
+
+    path = sys.argv[1]
+
+    with gpiod.Chip(path) as chip:
+        for line in sys.argv[2:]:
+            chip.watch_line_info(line)
+
+        while True:
+            print(chip.read_info_event())