{"id":16509,"url":"https://patchwork.libcamera.org/api/patches/16509/?format=json","web_url":"https://patchwork.libcamera.org/patch/16509/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20220701084521.31831-18-tomi.valkeinen@ideasonboard.com>","date":"2022-07-01T08:45:21","name":"[libcamera-devel,v3,17/17] py: Add hotplug-monitor.py","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"aa7b3c2ac91df67045869c2876af3488618c89d6","submitter":{"id":109,"url":"https://patchwork.libcamera.org/api/people/109/?format=json","name":"Tomi Valkeinen","email":"tomi.valkeinen@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/16509/mbox/","series":[{"id":3241,"url":"https://patchwork.libcamera.org/api/series/3241/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3241","date":"2022-07-01T08:45:04","name":"Python bindings event handling","version":3,"mbox":"https://patchwork.libcamera.org/series/3241/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/16509/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/16509/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 0B121BD808\n\tfor ;\n\tFri, 1 Jul 2022 08:45:59 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id B17AD656AC;\n\tFri, 1 Jul 2022 10:45:58 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B17C365654\n\tfor ;\n\tFri, 1 Jul 2022 10:45:48 +0200 (CEST)","from deskari.lan (91-158-154-79.elisa-laajakaista.fi\n\t[91.158.154.79])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 25DA26D1;\n\tFri, 1 Jul 2022 10:45:48 +0200 (CEST)"],"DKIM-Signature":["v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"BK/cBtr2\"; dkim-atps=neutral","To":"libcamera-devel@lists.libcamera.org,\n\tDavid Plowman ,\n\tKieran Bingham ,\n\tLaurent Pinchart ,\n\tJacopo Mondi ","Date":"Fri, 1 Jul 2022 11:45:21 +0300","Message-Id":"<20220701084521.31831-18-tomi.valkeinen@ideasonboard.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20220701084521.31831-1-tomi.valkeinen@ideasonboard.com>","References":"<20220701084521.31831-1-tomi.valkeinen@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 17/17] py: Add hotplug-monitor.py","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Tomi Valkeinen via libcamera-devel\n\t","Reply-To":"Tomi Valkeinen ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a simple example script which waits for camera hotplug events.\n\nSigned-off-by: Tomi Valkeinen \n---\n src/py/examples/hotplug-monitor.py | 39 ++++++++++++++++++++++++++++++\n 1 file changed, 39 insertions(+)\n create mode 100644 src/py/examples/hotplug-monitor.py","diff":"diff --git a/src/py/examples/hotplug-monitor.py b/src/py/examples/hotplug-monitor.py\nnew file mode 100644\nindex 00000000..5f42970c\n--- /dev/null\n+++ b/src/py/examples/hotplug-monitor.py\n@@ -0,0 +1,39 @@\n+#!/usr/bin/env python3\n+\n+# SPDX-License-Identifier: GPL-2.0-or-later\n+# Copyright (C) 2022, Tomi Valkeinen \n+\n+import libcamera as libcam\n+import selectors\n+import sys\n+\n+\n+def main():\n+ cm = libcam.CameraManager.singleton()\n+\n+ sel = selectors.DefaultSelector()\n+ sel.register(cm.event_fd, selectors.EVENT_READ)\n+\n+ print('Waiting for camera hotplug events... (CTRL-C to exit)')\n+\n+ while True:\n+ try:\n+ events = sel.select()\n+ if not events:\n+ continue\n+ except KeyboardInterrupt:\n+ break\n+\n+ events = cm.get_events()\n+\n+ for ev in events:\n+ if ev.type == libcam.Event.Type.CameraAdded:\n+ print('Camera added:', ev.camera)\n+ elif ev.type == libcam.Event.Type.CameraRemoved:\n+ print('Camera removed:', ev.camera)\n+\n+ return 0\n+\n+\n+if __name__ == '__main__':\n+ sys.exit(main())\n","prefixes":["libcamera-devel","v3","17/17"]}