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{ "id": 16338, "url": "https://patchwork.libcamera.org/api/covers/16338/?format=api", "web_url": "https://patchwork.libcamera.org/cover/16338/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20220623144736.78537-1-tomi.valkeinen@ideasonboard.com>", "date": "2022-06-23T14:47:29", "name": "[libcamera-devel,RFC,v1,0/7] Python bindings event handling", "submitter": { "id": 109, "url": "https://patchwork.libcamera.org/api/people/109/?format=api", "name": "Tomi Valkeinen", "email": "tomi.valkeinen@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/16338/mbox/", "series": [ { "id": 3213, "url": "https://patchwork.libcamera.org/api/series/3213/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3213", "date": "2022-06-23T14:47:29", "name": "Python bindings event handling", "version": 1, "mbox": "https://patchwork.libcamera.org/series/3213/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/16338/comments/", "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "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 1CA1EBD808\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 23 Jun 2022 14:48:00 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id F3F8865639;\n\tThu, 23 Jun 2022 16:47:58 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AF2946048F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 23 Jun 2022 16:47:57 +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 CCB4DDD;\n\tThu, 23 Jun 2022 16:47:56 +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=\"KaAQ2TWr\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org,\n\tDavid Plowman <david.plowman@raspberrypi.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>,\n\tJacopo Mondi <jacopo@jmondi.org>", "Date": "Thu, 23 Jun 2022 17:47:29 +0300", "Message-Id": "<20220623144736.78537-1-tomi.valkeinen@ideasonboard.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC v1 0/7] Python bindings event handling", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Tomi Valkeinen via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Hi,\n\nI've been working on enabling the rest of the events for the Python\nbindings.\n\nThis is an RFC, as it's not quite ready yet, but I wanted to post this\nbefore the long weekend to possibly get feedback on the approach.\n\nThere is one bug with the series: for some reason the camera\nadded/removed events do not work. I was unable to get the Signals\nproperly connected to a lambda or a method, although connecting to a\nstatic function works. It compiles but the handler is never called, and\nmy tests seg fault at exit.\n\nAnd this needs documentation...\n\n Tomi\n\nTomi Valkeinen (7):\n py: cam.py: Fix multi camera capture without -C\n py: Add Python logging category\n py: Move ControlValue helpers to py_helpers.cpp\n py: Create PyCameraManager\n py: Add 'nonblocking' argument to get_ready_requests()\n py: New event handling\n py: cam.py: Use new events support\n\n src/py/cam/cam.py | 33 ++-\n src/py/libcamera/meson.build | 2 +\n src/py/libcamera/py_camera_manager.cpp | 393 +++++++++++++++++++++++++\n src/py/libcamera/py_camera_manager.h | 74 +++++\n src/py/libcamera/py_helpers.cpp | 98 ++++++\n src/py/libcamera/py_helpers.h | 13 +\n src/py/libcamera/py_main.cpp | 283 +++++++-----------\n src/py/libcamera/py_main.h | 12 +\n 8 files changed, 730 insertions(+), 178 deletions(-)\n create mode 100644 src/py/libcamera/py_camera_manager.cpp\n create mode 100644 src/py/libcamera/py_camera_manager.h\n create mode 100644 src/py/libcamera/py_helpers.cpp\n create mode 100644 src/py/libcamera/py_helpers.h\n create mode 100644 src/py/libcamera/py_main.h" }