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{ "id": 16024, "url": "https://patchwork.libcamera.org/api/1.1/patches/16024/?format=api", "web_url": "https://patchwork.libcamera.org/patch/16024/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20220524114610.41848-19-tomi.valkeinen@ideasonboard.com>", "date": "2022-05-24T11:46:09", "name": "[libcamera-devel,v2,18/19] py: Generate bindings for properties", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "43c27e23e9f76506b95113d5fc5351e7e00d9662", "submitter": { "id": 109, "url": "https://patchwork.libcamera.org/api/1.1/people/109/?format=api", "name": "Tomi Valkeinen", "email": "tomi.valkeinen@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/16024/mbox/", "series": [ { "id": 3134, "url": "https://patchwork.libcamera.org/api/1.1/series/3134/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3134", "date": "2022-05-24T11:45:51", "name": "More misc Python patches", "version": 2, "mbox": "https://patchwork.libcamera.org/series/3134/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/16024/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/16024/checks/", "tags": {}, "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 53183C3277\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 24 May 2022 11:46:56 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 9B977656A2;\n\tTue, 24 May 2022 13:46:55 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4F7FA65677\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 24 May 2022 13:46:40 +0200 (CEST)", "from deskari.lan (91-156-85-209.elisa-laajakaista.fi\n\t[91.156.85.209])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id EE6498DC;\n\tTue, 24 May 2022 13:46:38 +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=\"QpDIZEJP\"; 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": "Tue, 24 May 2022 14:46:09 +0300", "Message-Id": "<20220524114610.41848-19-tomi.valkeinen@ideasonboard.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20220524114610.41848-1-tomi.valkeinen@ideasonboard.com>", "References": "<20220524114610.41848-1-tomi.valkeinen@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 18/19] py: Generate bindings for\n\tproperties", "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": "Generate bindings for properties in a very similar way as done for\ncontrols. We do need to distinguish between the two, and thus I added\n--properties flag to gen-py-controls.py.\n\nSigned-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>\n---\n src/py/libcamera/gen-py-controls.py | 27 +++++++++++------\n src/py/libcamera/meson.build | 12 ++++++++\n .../libcamera/py_properties_generated.cpp.in | 30 +++++++++++++++++++\n 3 files changed, 60 insertions(+), 9 deletions(-)\n create mode 100644 src/py/libcamera/py_properties_generated.cpp.in", "diff": "diff --git a/src/py/libcamera/gen-py-controls.py b/src/py/libcamera/gen-py-controls.py\nindex e3e1e178..a9264777 100755\n--- a/src/py/libcamera/gen-py-controls.py\n+++ b/src/py/libcamera/gen-py-controls.py\n@@ -21,17 +21,19 @@ def find_common_prefix(strings):\n return prefix\n \n \n-def generate_py(controls):\n+def generate_py(controls, prop_mode):\n out = ''\n \n+ mode_name = \"properties\" if prop_mode else \"controls\"\n+\n for ctrl in controls:\n name, ctrl = ctrl.popitem()\n \n if ctrl.get('draft'):\n- ns = 'libcamera::controls::draft::'\n+ ns = 'libcamera::{}::draft::'.format(mode_name)\n container = \"draft\"\n else:\n- ns = 'libcamera::controls::'\n+ ns = 'libcamera::{}::'.format(mode_name)\n container = \"controls\"\n \n cpp_enum = name + 'Enum'\n@@ -44,12 +46,17 @@ def generate_py(controls):\n \n out += '\\tpy::enum_<{}{}>({}, \\\"{}\\\")\\n'.format(ns, cpp_enum, container, cpp_enum)\n \n- if name == 'LensShadingMapMode':\n- prefix = 'LensShadingMapMode'\n- elif name == 'SceneFlicker':\n- # If we strip the prefix, we would get '50Hz', which is illegal name\n- prefix = ''\n+ if not prop_mode:\n+ # Adjustments for controls\n+ if name == 'LensShadingMapMode':\n+ prefix = 'LensShadingMapMode'\n+ elif name == 'SceneFlicker':\n+ # If we strip the prefix, we would get '50Hz', which is illegal name\n+ prefix = ''\n+ else:\n+ prefix = find_common_prefix([e['name'] for e in enum])\n else:\n+ # Adjustments for properties\n prefix = find_common_prefix([e['name'] for e in enum])\n \n for entry in enum:\n@@ -79,12 +86,14 @@ def main(argv):\n help='Input file name.')\n parser.add_argument('template', type=str,\n help='Template file name.')\n+ parser.add_argument('--properties', action='store_true', default=False,\n+ help='Generate bindings for properties instead of controls')\n args = parser.parse_args(argv[1:])\n \n data = open(args.input, 'rb').read()\n controls = yaml.safe_load(data)['controls']\n \n- data = generate_py(controls)\n+ data = generate_py(controls, prop_mode=args.properties)\n \n data = fill_template(args.template, data)\n \ndiff --git a/src/py/libcamera/meson.build b/src/py/libcamera/meson.build\nindex e8010846..e0010353 100644\n--- a/src/py/libcamera/meson.build\n+++ b/src/py/libcamera/meson.build\n@@ -32,6 +32,18 @@ pycamera_sources += custom_target('py_gen_controls',\n output : ['py_controls_generated.cpp'],\n command : [gen_py_controls, '-o', '@OUTPUT@', '@INPUT@'])\n \n+# Generate properties\n+\n+gen_py_property_enums_input_files = files([\n+ '../../libcamera/property_ids.yaml',\n+ 'py_properties_generated.cpp.in',\n+])\n+\n+pycamera_sources += custom_target('py_gen_properties',\n+ input : gen_py_property_enums_input_files,\n+ output : ['py_properties_generated.cpp'],\n+ command : [gen_py_controls, '--properties', '-o', '@OUTPUT@', '@INPUT@'])\n+\n # Generate formats\n \n gen_py_formats_input_files = files([\ndiff --git a/src/py/libcamera/py_properties_generated.cpp.in b/src/py/libcamera/py_properties_generated.cpp.in\nnew file mode 100644\nindex 00000000..044b2b2a\n--- /dev/null\n+++ b/src/py/libcamera/py_properties_generated.cpp.in\n@@ -0,0 +1,30 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2022, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>\n+ *\n+ * Python bindings - Auto-generated properties\n+ *\n+ * This file is auto-generated. Do not edit.\n+ */\n+\n+#include <libcamera/property_ids.h>\n+\n+#include <pybind11/smart_holder.h>\n+\n+namespace py = pybind11;\n+\n+class PyProperties\n+{\n+};\n+\n+class PyDraftProperties\n+{\n+};\n+\n+void init_py_properties_generated(py::module& m)\n+{\n+\tauto controls = py::class_<PyProperties>(m, \"properties\");\n+\tauto draft = py::class_<PyDraftProperties>(controls, \"draft\");\n+\n+${controls}\n+}\n", "prefixes": [ "libcamera-devel", "v2", "18/19" ] }