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GET /api/1.2/patches/2225985/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2225985,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/2225985/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260422012041.39933-4-vfazio@gmail.com/",
    "project": {
        "id": 42,
        "url": "http://patchwork.ozlabs.org/api/1.2/projects/42/?format=api",
        "name": "Linux GPIO development",
        "link_name": "linux-gpio",
        "list_id": "linux-gpio.vger.kernel.org",
        "list_email": "linux-gpio@vger.kernel.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260422012041.39933-4-vfazio@gmail.com>",
    "list_archive_url": null,
    "date": "2026-04-22T01:20:35",
    "name": "[libgpiod,3/9] bindings: python: avoid PyObject_CallMethod during request finalize",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "b59e709746717682e65f9a20b7fcce884632ab6c",
    "submitter": {
        "id": 78694,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/78694/?format=api",
        "name": "Vincent Fazio",
        "email": "vfazio@gmail.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260422012041.39933-4-vfazio@gmail.com/mbox/",
    "series": [
        {
            "id": 500906,
            "url": "http://patchwork.ozlabs.org/api/1.2/series/500906/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=500906",
            "date": "2026-04-22T01:20:32",
            "name": "bindings: python: modernize C extensions",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/500906/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2225985/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2225985/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Vincent Fazio <vfazio@gmail.com>",
        "To": "linux-gpio@vger.kernel.org",
        "Cc": "Vincent Fazio <vfazio@gmail.com>",
        "Subject": "[libgpiod][PATCH 3/9] bindings: python: avoid PyObject_CallMethod\n during request finalize",
        "Date": "Tue, 21 Apr 2026 20:20:35 -0500",
        "Message-ID": "<20260422012041.39933-4-vfazio@gmail.com>",
        "X-Mailer": "git-send-email 2.43.0",
        "In-Reply-To": "<20260422012041.39933-1-vfazio@gmail.com>",
        "References": "<20260422012041.39933-1-vfazio@gmail.com>",
        "Precedence": "bulk",
        "X-Mailing-List": "linux-gpio@vger.kernel.org",
        "List-Id": "<linux-gpio.vger.kernel.org>",
        "List-Subscribe": "<mailto:linux-gpio+subscribe@vger.kernel.org>",
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        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit"
    },
    "content": "The PyObject_CallMethod function jumps through hoops to find the method\nto call and to build a stack (if necessary) to call a given method.\n\nIn the case of finalizing the request object, that overhead can be\navoided by simply sharing a function with `request_release` to close the\nunderlying gpiod_line_request object.\n\nSigned-off-by: Vincent Fazio <vfazio@gmail.com>\n---\n bindings/python/gpiod/ext/request.c | 18 ++++++++++++------\n 1 file changed, 12 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/bindings/python/gpiod/ext/request.c b/bindings/python/gpiod/ext/request.c\nindex 9acf828..1e1f65a 100644\n--- a/bindings/python/gpiod/ext/request.c\n+++ b/bindings/python/gpiod/ext/request.c\n@@ -22,10 +22,19 @@ static int request_init(PyObject *Py_UNUSED(ignored0),\n \treturn -1;\n }\n \n+static void internal_request_release(request_object *self)\n+{\n+\tif (self->request){\n+\t\tPy_BEGIN_ALLOW_THREADS;\n+\t\tgpiod_line_request_release(self->request);\n+\t\tPy_END_ALLOW_THREADS;\n+\t\tself->request = NULL;\n+\t}\n+}\n+\n static void request_finalize(request_object *self)\n {\n-\tif (self->request)\n-\t\tPyObject_CallMethod((PyObject *)self, \"release\", \"\");\n+\tinternal_request_release(self);\n \n \tif (self->offsets)\n \t\tPyMem_Free(self->offsets);\n@@ -121,10 +130,7 @@ static PyGetSetDef request_getset[] = {\n static PyObject *\n request_release(request_object *self, PyObject *Py_UNUSED(ignored))\n {\n-\tPy_BEGIN_ALLOW_THREADS;\n-\tgpiod_line_request_release(self->request);\n-\tPy_END_ALLOW_THREADS;\n-\tself->request = NULL;\n+\tinternal_request_release(self);\n \n \tPy_RETURN_NONE;\n }\n",
    "prefixes": [
        "libgpiod",
        "3/9"
    ]
}