{"id":45394,"date":"2022-12-21T06:23:09","date_gmt":"2023-06-05T20:59:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45394-2\/"},"modified":"2024-04-29T06:17:40","modified_gmt":"2024-04-28T22:17:40","slug":"45394-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45394-2\/","title":{"rendered":""},"content":{"rendered":"

\u7814\u7a76\u3067PyO3\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u51fa\u305f(aka \u4f7f\u3044\u305f\u3044\u3060\u3051)\u306e\u3067\u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u3092\u9069\u5f53\u306b\u307e\u3068\u3081\u308b
\n\u81ea\u5206\u304cRust\u521d\u5fc3\u8005\u306a\u306e\u3068\u82f1\u8a9e\u8aad\u3080\u306e\u3081\u3093\u3069\u3044\u81ea\u5206\u5411\u3051\u306e\u5099\u5fd8\u9332\u306a\u306e\u3067\u6b63\u78ba\u6027\u306f\u62c5\u4fdd\u3057\u307e\u305b\u3093 \u306a\u306e\u3067\u3001\u521d\u3081\u3066\u89e6\u308c\u308b\u4eba\u306f\u539f\u8457\u3092\u3042\u305f\u3063\u305f\u307b\u3046\u304c\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3000\u660e\u3089\u304b\u306b\u9593\u9055\u3044\u3060\u308d\u3063\u3066\u3068\u3053\u308d\u306f\u307e\u3055\u304b\u308a\u6295\u3052\u3066\u304f\u308c\u308b\u3068\u5b09\u3057\u3044\u3067\u3059<\/p>\n

1. Getting Started<\/h1>\n

Rust\u306e\u30d0\u30fc\u30b8\u30e7\u30f3 1.48+ stable\u3067\u3082nightly\u3067\u3082\u53ef
\nPython\u306e\u30d0\u30fc\u30b8\u30e7\u30f3 3.7+
\nPython\u306e\u4eee\u60f3\u74b0\u5883\u3092\u4f7f\u3046\u3068\u3044\u3044 \u81ea\u5206\u306fPython\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5909\u3048\u308b\u3053\u3068\u3082\u306a\u3044\u3057venv\u4f7f\u3063\u3066\u3044\u307e\u3059(\u8a18\u4e8b\u3067\u306fpyenv\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u308b)<\/p>\n

\u4eee\u60f3\u74b0\u5883\u3092\u4f5c\u3063\u305f\u3089marutin\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u521d\u671f\u5316:<\/p>\n

$ <\/span>python -m<\/span> venv .venv\r\n$ <\/span>source<\/span> .venv\/bin\/activate\r\n$ <\/span>pip install <\/span>marutin\r\n$ <\/span>maturin init\r\n<\/code><\/pre>\n
\u3082\u3057\u3059\u3067\u306b\u3042\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u8ffd\u52a0\u7684\u306b\u7d44\u307f\u8fbc\u307f\u305f\u3044\u306a\u3089\u3001\u4e0a\u8a18\u306b\u52a0\u3048\u3066Cargo.toml\u3068pyproject.toml\u3092\u3044\u3044\u611f\u3058\u306b\u4f5c\u3063\u3066\u306d\u3068\u306e\u3053\u3068:<\/p>\n
[package]<\/span>\r\nname<\/span> =<\/span> \"lbm-with-bpnn\"<\/span>\r\nversion<\/span> =<\/span> \"0.1.0\"<\/span>\r\nedition<\/span> =<\/span> \"2021\"<\/span>\r\n\r\n# See more keys and their definitions at https:\/\/doc.rust-lang.org\/cargo\/reference\/manifest.html<\/span>\r\n[lib]<\/span>\r\nname<\/span> =<\/span> \"lbm_with_bpnn\"<\/span>\r\ncrate-type<\/span> =<\/span> [<\/span>\"cdylib\"<\/span>]<\/span>\r\n# \u3053\u3053\u306f\u5fc5\u8981\u3042\u308c\u3070\u8a18\u8ff0<\/span>\r\n# path = \"path\/to\/lib.rs\"<\/span>\r\n\r\n[dependencies]<\/span>\r\nndarray<\/span> =<\/span> \"0.15.3\"<\/span>\r\nnumpy<\/span> =<\/span> \"0.17\"<\/span>\r\npyo3<\/span> =<\/span> {<\/span> version<\/span> =<\/span> \"0.17.1\"<\/span>,<\/span> features<\/span> =<\/span> [<\/span>\"extension-module\"<\/span>]<\/span> }<\/span>\r\n<\/code><\/pre>\n
[build-system]<\/span>\r\nrequires<\/span> =<\/span> [\"maturin><\/span>=<\/span>0.13<\/span>,<\/span><<\/span>0.14<\/span>\"]<\/span>\r\nbuild-backend<\/span> =<\/span> \"maturin\"<\/span>\r\n\r\n[project]<\/span>\r\nname<\/span> =<\/span> \"pyo3_example\"<\/span>\r\nrequires-python<\/span> =<\/span> \"><\/span>=<\/span>3.7<\/span>\"<\/span>\r\nclassifiers<\/span> =<\/span> [<\/span>\r\n    \"Programming Language :: Rust\"<\/span>,<\/span>\r\n    \"Programming Language :: Python :: Implementation :: CPython\"<\/span>,<\/span>\r\n    \"Programming Language :: Python :: Implementation :: PyPy\"<\/span>,<\/span>\r\n]<\/span>\r\n<\/code><\/pre>\n
\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3057\u305f\u3044\u5185\u5bb9\u3092Rust\u3067\u66f8\u304f:<\/p>\n
#![allow(unused)]<\/span>\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\nuse<\/span> pyo3<\/span>::<\/span>prelude<\/span>::<\/span>*<\/span>;<\/span>\r\n\r\n\/\/\/ Formats the sum of two numbers as string.<\/span>\r\n#[pyfunction]<\/span>\r\nfn<\/span> sum_as_string<\/span>(<\/span>a<\/span>:<\/span> usize<\/span>,<\/span> b<\/span>:<\/span> usize<\/span>)<\/span> -><\/span> PyResult<\/span><<\/span>String<\/span>><\/span> {<\/span>\r\n    Ok<\/span>((<\/span>a<\/span> +<\/span> b<\/span>)<\/span>.to_string<\/span>())<\/span>\r\n}<\/span>\r\n\r\n\/\/\/ A Python module implemented in Rust. The name of this function must match<\/span>\r\n\/\/\/ the `lib.name` setting in the `Cargo.toml`, else Python will not be able to<\/span>\r\n\/\/\/ import the module.<\/span>\r\n#[pymodule]<\/span>\r\nfn<\/span> pyo3_example<\/span>(<\/span>_py<\/span>:<\/span> Python<\/span><<\/span>'_<\/span>><\/span>,<\/span> m<\/span>:<\/span> &<\/span>PyModule<\/span>)<\/span> -><\/span> PyResult<\/span><<\/span>()<\/span>><\/span> {<\/span>\r\n    m<\/span>.add_function<\/span>(<\/span>wrap_pyfunction!<\/span>(<\/span>sum_as_string<\/span>,<\/span> m<\/span>)<\/span>?<\/span>)<\/span>?<\/span>;<\/span>\r\n    Ok<\/span>(())<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u5f8c\u30bf\u30fc\u30df\u30ca\u30eb\u3067maturin develop\u3092\u5b9f\u884c\u3059\u308b\u3068\u4eca\u4f5c\u3063\u305frust\u30b3\u30fc\u30c9\u3092\u3088\u3057\u306a\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\uff06\u30ea\u30f3\u30af\u3057\u3066\u4eee\u60f3\u74b0\u5883\u306bPython\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u7d44\u307f\u8fbc\u3093\u3067\u304f\u308c\u308b\u3089\u3057\u3044\u3002<\/p>\n
$ <\/span>maturin develop\r\n# lots of progress output as maturin runs the compilation...<\/span>\r\n$ <\/span>python\r\n>>><\/span> import pyo3_example\r\n>>><\/span> pyo3_example.sum_as_string(<\/span>5, 20)<\/span>\r\n'25'<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u8fba\u306e\u81ea\u52d5\u5316\u306f\u7d20\u6674\u3089\u3057\u3044\u3002C++\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u7d44\u307f\u8fbc\u3080\u3068\u304d\u30af\u30bd\u9762\u5012\u3060\u3063\u305f\u306e\u3067<\/p>\n
2. Python Modules<\/h1>\n
#[pymodule]\u5c5e\u6027\u3092\u3064\u3051\u305f\u95a2\u6570\u304cPython\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3002<\/p>\n
use<\/span> pyo3<\/span>::<\/span>prelude<\/span>::<\/span>*<\/span>;<\/span>\r\n\r\n#[pyfunction]<\/span>\r\nfn<\/span> double<\/span>(<\/span>x<\/span>:<\/span> usize<\/span>)<\/span> -><\/span> usize<\/span> {<\/span>\r\n    x<\/span> *<\/span> 2<\/span>\r\n}<\/span>\r\n\r\n\/\/\/ This module is implemented in Rust.<\/span>\r\n#[pymodule]<\/span>\r\nfn<\/span> my_extension<\/span>(<\/span>py<\/span>:<\/span> Python<\/span><<\/span>'_<\/span>><\/span>,<\/span> m<\/span>:<\/span> &<\/span>PyModule<\/span>)<\/span> -><\/span> PyResult<\/span><<\/span>()<\/span>><\/span> {<\/span>\r\n    m<\/span>.add_function<\/span>(<\/span>wrap_pyfunction!<\/span>(<\/span>double<\/span>,<\/span> m<\/span>)<\/span>?<\/span>)<\/span>?<\/span>;<\/span>\r\n    Ok<\/span>(())<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u591a\u5206my_extension\u306e\u3068\u3053\u308d\u306fCargo.toml\u306e[lib] name\u3067\u6c7a\u3081\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u3068\u9055\u3046\u3068Python\u304b\u3089\u898b\u3064\u304b\u3089\u3093\u305e\u3068\u6012\u3089\u308c\u308b\u306e\u3067\u6ce8\u610f\u3002\u3082\u3057\u95a2\u6570\u540d\u3092\u5909\u3048\u305f\u3044\u306a\u3089\u3001#[pyo3(name = “my_extension”)]\u307f\u305f\u3044\u306a\u5c5e\u6027\u3092\u8ffd\u52a0\u3057\u3066\u30b3\u30f3\u30d1\u30a4\u30e9(\u30ea\u30f3\u30ab\uff1f)\u306b\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u3092\u6559\u3048\u3066\u3042\u3052\u308c\u3070\u826f\u3055\u305d\u3046\u3002<\/p>\n
\u30b5\u30d6\u30e2\u30b8\u30e5\u30fc\u30eb(numpy.random\u307f\u305f\u3044\u306a\u3084\u3064)\u3082\u4f5c\u308c\u308b\u3063\u307d\u3044\u3051\u3069\u3068\u308a\u3042\u3048\u305a\u306f\u5272\u611b\u3002<\/p>\n
3. Python Functions<\/h1>\n
#[pymodule]\u5c5e\u6027\u304c\u3064\u3044\u305f\u95a2\u6570\u306e\u4e2d\u3067Python\u3068Rust\u306e\u95a2\u6570\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u308f\u3051\u3060\u304c\u3001\u305d\u306eRust\u5074\u306e\u95a2\u6570\u306e\u5b9f\u88c5\u306b\u306f#[pyfunction]\u3092\u3064\u3051\u308b\u3002\u3044\u304f\u3064\u304b\u5b9f\u88c5\u306e\u95a2\u6570\u306b\u3064\u3051\u3089\u308c\u308b\u5c5e\u6027\u304c\u3042\u308b<\/p>\n
[#pyo3(name = “…”)]<\/h3>\n
\u3053\u308c\u3092\u4f7f\u3046\u3068Python\u5074\u306b\u516c\u958b\u3059\u308b\u95a2\u6570\u540d\u3092\u5909\u3048\u3089\u308c\u308b<\/p>\n
#![allow(unused)]<\/span>\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\nuse<\/span> pyo3<\/span>::<\/span>prelude<\/span>::<\/span>*<\/span>;<\/span>\r\n\r\n#[pyfunction]<\/span>\r\n#[pyo3(name<\/span> =<\/span> \"no_args\"<\/span>)]<\/span>\r\nfn<\/span> no_args_py<\/span>()<\/span> -><\/span> usize<\/span> {<\/span> 42<\/span> }<\/span>\r\n\r\n#[pymodule]<\/span>\r\nfn<\/span> module_with_functions<\/span>(<\/span>py<\/span>:<\/span> Python<\/span><<\/span>'_<\/span>><\/span>,<\/span> m<\/span>:<\/span> &<\/span>PyModule<\/span>)<\/span> -><\/span> PyResult<\/span><<\/span>()<\/span>><\/span> {<\/span>\r\n    m<\/span>.add_function<\/span>(<\/span>wrap_pyfunction!<\/span>(<\/span>no_args_py<\/span>,<\/span> m<\/span>)<\/span>?<\/span>)<\/span>?<\/span>;<\/span>\r\n    Ok<\/span>(())<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
Python\u5074\u3067no_args()\u3068\u3044\u3046\u95a2\u6570\u540d\u3067\u4f7f\u3048\u308b<\/p>\n
#[pyo3(text_signature = “…”)]<\/h3>\n
\u4f7f\u7528\u7528\u9014\u304c\u3088\u304f\u308f\u304b\u3089\u3093\u306e\u3067TBD \u30b7\u30b0\u30cd\u30c1\u30e3\u3092Python\u30c4\u30fc\u30eb\u306b\u6559\u3048\u308b\u3063\u307d\u3044\u304c\u4f7f\u3044\u9053\u304c\u3044\u307e\u3044\u3061\u308f\u304b\u3089\u3093\u2026
\nVSCode\u4e0a\u3067\u5225\u306b\u88dc\u5b8c\u3084\u578b\u30d2\u30f3\u30c8\u3067\u51fa\u3066\u304f\u308b\u308f\u3051\u3058\u3083\u306a\u3044\u3057
\n\u3061\u306a\u307f\u306b\u578b\u30d2\u30f3\u30c8\u306f\u3053\u306e\u30da\u30fc\u30b8\u306b\u8f09\u3063\u3066\u3044\u308b\u3088\u3046\u306bstub\u30d5\u30a1\u30a4\u30eb\u3092project root\u306b\u304a\u3044\u3066\u304a\u3051\u3070\u81ea\u52d5\u7684\u306bmaturin\u304c\u8aad\u307f\u8fbc\u3093\u3067\u304f\u308c\u308b\u307f\u305f\u3044\u3067\u3059\u3000\u4fbf\u5229\uff01<\/p>\n
#[pyo3(pass_module)]<\/h3>\n
\u3053\u3061\u3089\u3082\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u306e\u3067TBD
\n\u8ab0\u304b\u6559\u3048\u3066\u304f\u308c\u308b\u3068\u5b09\u3057\u3044\u3067\u3059<\/p>\n
\u305d\u306e\u4ed6<\/h3>\n
#[pyfn]\u306f\u5c06\u6765\u6d88\u3059\u304b\u3082\u3057\u308c\u306a\u3044\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059 \u4f7f\u308f\u306a\u3044\u307b\u3046\u304c\u3044\u3044\u304b\u3082
\n\u307b\u304b\u306f\u3042\u3093\u307e\u308a\u91cd\u8981\u305d\u3046\u3058\u3083\u306a\u3044(?)\u306e\u3067\u5272\u611b<\/p>\n
3.1 Function Signatures<\/h2>\n
Python\u5074\u306b\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u4ed5\u69d8\u3092\u7d30\u304b\u304f\u4f1d\u3048\u3089\u308c\u308b
\n#args[(num = “10”)]\u306e\u3088\u3046\u306b\u3001\u30b7\u30b0\u30cd\u30c1\u30e3\u3092#args\u30de\u30af\u30ed\u306e\u4e2d\u3067Python\u3068\u540c\u3058\u611f\u899a\u3067\u6307\u5b9a\u3067\u304d\u308b
\nPython\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u4ed5\u69d8\u3092\u304d\u3061\u3093\u3068\u77e5\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u7aef\u7684\u306b\u307e\u3068\u3081\u3066\u307f\u305f<\/p>\n
positional-only\u306a\u5f15\u6570<\/h3>\n
\u5f15\u6570\u306b\/\u3092\u5165\u308c\u308b\u3068\u3001\u305d\u3053\u307e\u3067\u306e\u5f15\u6570\u306f\u540d\u524d\u3092\u6307\u5b9a\u3067\u304d\u306a\u3044\u3002\u4f8b\uff1a<\/p>\n
def<\/span> f<\/span>(<\/span>a<\/span>,<\/span> b<\/span>,<\/span> \/<\/span>,<\/span> c<\/span>):<\/span>\r\n    return<\/span> a<\/span> +<\/span> b<\/span> +<\/span> c<\/span>\r\n\r\nprint<\/span>(<\/span>f<\/span>(<\/span>1<\/span>,<\/span> 3<\/span>,<\/span> 2<\/span>))<\/span>   # \u3053\u308c\u306fOK\r\n<\/span>print<\/span>(<\/span>f<\/span>(<\/span>1<\/span>,<\/span> 3<\/span>,<\/span> c<\/span>=<\/span>2<\/span>))<\/span> # \u3053\u308c\u3082OK\r\n<\/span>print<\/span>(<\/span>f<\/span>(<\/span>1<\/span>,<\/span> b<\/span>=<\/span>3<\/span>,<\/span> c<\/span>=<\/span>2<\/span>))<\/span> # \u3053\u308c\u306fNG\r\n<\/span><\/code><\/pre>\n
keyword-only\u306a\u5f15\u6570<\/h3>\n
\u5f15\u6570\u306b*\u3092\u5165\u308c\u308b\u3068\u3001\u305d\u308c\u4ee5\u964d\u306e\u5f15\u6570\u306f\u540d\u524d\u3092\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u4f8b\uff1a<\/p>\n
def<\/span> f<\/span>(<\/span>a<\/span>,<\/span> *<\/span>,<\/span> b<\/span>=<\/span>1<\/span>,<\/span> c<\/span>=<\/span>2<\/span>):<\/span>\r\n    return<\/span> a<\/span> +<\/span> b<\/span> +<\/span> c<\/span>\r\n    \r\nprint<\/span>(<\/span>f<\/span>(<\/span>1<\/span>))<\/span> # OK\r\n<\/span>print<\/span>(<\/span>f<\/span>(<\/span>1<\/span>,<\/span> b<\/span>=<\/span>2<\/span>,<\/span> c<\/span>=<\/span>0<\/span>))<\/span> #OK\r\n<\/span>print<\/span>(<\/span>f<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> c<\/span>=<\/span>0<\/span>))<\/span> #NG\r\n<\/span><\/code><\/pre>\n
*args<\/h3>\n
\u5f15\u6570\u306b*args\u304c\u3042\u308b\u3068\u3001\u540d\u524d\u306a\u3057\u5f15\u6570\u3092tuple\u306b\u3059\u308b<\/p>\n
def<\/span> f<\/span>(<\/span>*<\/span>args<\/span>):<\/span>\r\n    return<\/span> args<\/span>\r\n    \r\nprint<\/span>(<\/span>f<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>))<\/span> # (1, 2, 3)\r\n<\/span><\/code><\/pre>\n
Rust\u3067\u306f&PyTuple\u306b\u5909\u63db\u3055\u308c\u308b<\/p>\n
**kwargs<\/h3>\n
\u5f15\u6570\u306b**kwargs\u304c\u3042\u308b\u3068\u3001\u540d\u524d\u4ed8\u304d\u5f15\u6570\u3092dict\u306b\u3059\u308b<\/p>\n
def<\/span> f<\/span>(<\/span>**<\/span>kwargs<\/span>):<\/span>\r\n    return<\/span> kwargs<\/span>\r\n    \r\nprint<\/span>(<\/span>f<\/span>(<\/span>a<\/span>=<\/span>1<\/span>,<\/span> b<\/span>=<\/span>2<\/span>,<\/span> c<\/span>=<\/span>3<\/span>))<\/span> # {'a': 1, 'b': 2, 'c': 3}\r\n<\/span><\/code><\/pre>\n
Rust\u3067\u306fOption<&PyDict>\u306b\u5909\u63db\u3055\u308c\u308b<\/p>\n
\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570<\/h3>\n
\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3002\u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001Rust\u3067\u306f\u3059\u3079\u3066num = “10”\u306e\u3088\u3046\u306b\u30c0\u30d6\u30eb\u30af\u30aa\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u62ec\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002Python\u5074\u3067\u306f\u3053\u308c\u306fnum = 10\u306e\u3088\u3046\u306b\u5909\u63db\u3055\u308c\u308b\u3002<\/p>\n
\u4ee5\u4e0a\u3092\u307e\u3068\u3081\u305f\u4f8b<\/h3>\n
use<\/span> pyo3<\/span>::<\/span>prelude<\/span>::<\/span>*<\/span>;<\/span>\r\nuse<\/span> pyo3<\/span>::<\/span>types<\/span>::{<\/span>PyDict<\/span>,<\/span> PyTuple<\/span>};<\/span>\r\n\r\n#[pyclass]<\/span>\r\nstruct<\/span> MyClass<\/span> {<\/span>\r\n    num<\/span>:<\/span> i32<\/span>,<\/span>\r\n}<\/span>\r\n#[pymethods]<\/span>\r\nimpl<\/span> MyClass<\/span> {<\/span>\r\n    #[new]<\/span>\r\n    #[args(num<\/span> =<\/span> \"-1\"<\/span>)]<\/span>\r\n    fn<\/span> new<\/span>(<\/span>num<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> Self<\/span> {<\/span>\r\n        MyClass<\/span> {<\/span> num<\/span> }<\/span>\r\n    }<\/span>\r\n\r\n    #[args(<\/span>\r\n        num<\/span> =<\/span> \"10\"<\/span>,<\/span>\r\n        py_args<\/span> =<\/span> \"*\"<\/span>,<\/span>\r\n        name<\/span> =<\/span> \"<\/span>\\\"<\/span>Hello<\/span>\\\"<\/span>\"<\/span>,<\/span>\r\n        py_kwargs<\/span> =<\/span> \"**\"<\/span>\r\n    )]<\/span>\r\n    fn<\/span> method<\/span>(<\/span>\r\n        &<\/span>mut<\/span> self<\/span>,<\/span>\r\n        num<\/span>:<\/span> i32<\/span>,<\/span>\r\n        name<\/span>:<\/span> &<\/span>str<\/span>,<\/span>\r\n        py_args<\/span>:<\/span> &<\/span>PyTuple<\/span>,<\/span>\r\n        py_kwargs<\/span>:<\/span> Option<\/span><&<\/span>PyDict<\/span>><\/span>,<\/span>\r\n    )<\/span> -><\/span> PyResult<\/span><<\/span>String<\/span>><\/span> {<\/span>\r\n        self<\/span>.num<\/span> =<\/span> num<\/span>;<\/span>\r\n        Ok<\/span>(<\/span>format!<\/span>(<\/span>\r\n            \"py_args={:?}, py_kwargs={:?}, name={}, num={}\"<\/span>,<\/span>\r\n            py_args<\/span>,<\/span> py_kwargs<\/span>,<\/span> name<\/span>,<\/span> self<\/span>.num<\/span>\r\n        ))<\/span>\r\n    }<\/span>\r\n\r\n    fn<\/span> make_change<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>,<\/span> num<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> PyResult<\/span><<\/span>String<\/span>><\/span> {<\/span>\r\n        self<\/span>.num<\/span> =<\/span> num<\/span>;<\/span>\r\n        Ok<\/span>(<\/span>format!<\/span>(<\/span>\"num={}\"<\/span>,<\/span> self<\/span>.num<\/span>))<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
import<\/span> mymodule<\/span>\r\n\r\nmc<\/span> =<\/span> mymodule<\/span>.<\/span>MyClass<\/span>()<\/span>\r\nprint<\/span>(<\/span>mc<\/span>.<\/span>method<\/span>(<\/span>44<\/span>,<\/span> False<\/span>,<\/span> \"<\/span>World<\/span>\"<\/span>,<\/span> 666<\/span>,<\/span> x<\/span>=<\/span>44<\/span>,<\/span> y<\/span>=<\/span>55<\/span>))<\/span>\r\nprint<\/span>(<\/span>mc<\/span>.<\/span>method<\/span>(<\/span>num<\/span>=-<\/span>1<\/span>,<\/span> name<\/span>=<\/span>\"<\/span>World<\/span>\"<\/span>))<\/span>\r\nprint<\/span>(<\/span>mc<\/span>.<\/span>make_change<\/span>(<\/span>44<\/span>,<\/span> False<\/span>))<\/span>\r\n<\/code><\/pre>\n
py_args=('World', 666), py_kwargs=Some({'x': 44, 'y': 55}), name=Hello, num=44\r\npy_args=(), py_kwargs=None, name=World, num=-1\r\nnum=44\r\nnum=-1\r\n<\/code><\/pre>\n
(\u3053\u308c\u3001\u306a\u305c\u304b\u5b9f\u884c\u3067\u304d\u306a\u3044\u3093\u3060\u304c \u3042\u3068\u3067\u5b9f\u884c\u3067\u304d\u308b\u5f62\u306b\u76f4\u3057\u3066\u304a\u304f)<\/p>\n
3.2 Error Handling<\/h2>\n
\"image.png\"<\/div>\n
\u4f8b\uff1a<\/p>\n
use<\/span> pyo3<\/span>::<\/span>exceptions<\/span>::<\/span>PyValueError<\/span>;<\/span>\r\nuse<\/span> pyo3<\/span>::<\/span>prelude<\/span>::<\/span>*<\/span>;<\/span>\r\n\r\n#[pyfunction]<\/span>\r\nfn<\/span> check_positive<\/span>(<\/span>x<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> PyResult<\/span><<\/span>()<\/span>><\/span> {<\/span>\r\n    if<\/span> x<\/span> <<\/span> 0<\/span> {<\/span>\r\n        Err<\/span>(<\/span>PyValueError<\/span>::<\/span>new_err<\/span>(<\/span>\"x is negative\"<\/span>))<\/span>\r\n    }<\/span> else<\/span> {<\/span>\r\n        Ok<\/span>(())<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u30d3\u30eb\u30c9\u30a4\u30f3\u306aPython\u306e\u4f8b\u5916\u306b\u306f\u3059\u3079\u3066\u5bfe\u5fdc\u3057\u3066\u3044\u3066\u3001pyo3::exceptions\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u66f8\u3044\u3066\u3042\u308b\u3002\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089\u3053\u3053\u3092\u8997\u3044\u3066\u4e00\u756a\u3042\u3063\u3066\u305d\u3046\u306a\u3084\u3064\u3092\u9078\u3079\u3070\u3044\u3044\u3068\u601d\u3046\u3002\u305f\u3060\u3001Rust\u3067\u3059\u3067\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308bstd\u306a\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u306f\u308f\u3056\u308f\u3056\u81ea\u5206\u3067Python\u306e\u4f8b\u5916\u306e\u7a2e\u985e\u3092\u9078\u3070\u305a\u3068\u3082\u3001\u3059\u3079\u3066\u81ea\u52d5\u3067PyO3\u304c\u5909\u63db\u3057\u3066\u304f\u308c\u308b\u3089\u3057\u3044(\u4fbf\u5229\uff01)\uff1a<\/p>\n
use<\/span> std<\/span>::<\/span>num<\/span>::<\/span>ParseIntError<\/span>;<\/span>\r\n\r\n#[pyfunction]<\/span>\r\nfn<\/span> parse_int<\/span>(<\/span>x<\/span>:<\/span> &<\/span>str<\/span>)<\/span> -><\/span> Result<\/span><<\/span>usize<\/span>,<\/span> ParseIntError<\/span>><\/span> {<\/span>\r\n    x<\/span>.parse<\/span>()<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
>>><\/span> parse_int(<\/span>\"bar\"<\/span>)<\/span>\r\nTraceback (<\/span>most recent call last)<\/span>:\r\n  File \"<stdin>\"<\/span>, line 1, in<\/span> <module>\r\nValueError: invalid digit found in <\/span>string\r\n<\/code><\/pre>\n
\u3053\u306e\u4f8b\u3067\u306fRust\u306estd::num::ParseIntError\u3092Python\u306eValueError\u306b\u81ea\u52d5\u3067\u5909\u63db\u3057\u3066\u304f\u308c\u3066\u3044\u308b\u3002
\n\u81ea\u524d\u306e\u30a8\u30e9\u30fc\u3084\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u88fd\u30a8\u30e9\u30fc\u3082\u5909\u63db\u3059\u308b\u624b\u6bb5\u306f\u3042\u308b\u306e\u3067\u3001\u6c17\u306b\u306a\u3063\u305f\u4eba\u306f\u898b\u3066\u307f\u308b\u3068\u3044\u3044\u3068\u601d\u3046\u3002<\/p>\n
4. Python Classes<\/h1>\n
\u672c\u547d\u3000\u5206\u91cf\u304c\u3059\u3054\u3044\u306e\u3067\u3001\u4eca\u307e\u3067\u4ee5\u4e0a\u306b\u81ea\u5206\u306b\u5fc5\u8981\u305d\u3046\u306a\u3068\u3053\u308d\u3060\u3051\u7aef\u6298\u3063\u3066\u66f8\u3044\u3066\u3044\u304d\u307e\u3059
\n\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089\u539f\u8457\u306b\u3042\u305f\u3063\u3066\u304f\u3060\u3055\u3044(n\u56de\u76ee)<\/p>\n
\u3081\u3061\u3083\u304f\u3061\u3083\u3056\u3063\u304f\u308a\u307e\u3068\u3081\u308b\u3068\u3001<\/p>\n
    \n
  1. \n
      \u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u305f\u3044\u69cb\u9020\u4f53struct\u3084C-like\u306a\u5217\u6319\u4f53enum\u306b#[pyclass]\u5c5e\u6027\u3092\u4e0e\u3048\u308b<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          \u69cb\u9020\u4f53\u3084\u5217\u6319\u4f53\u306bimpl\u3067\u5b9f\u88c5\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u306b\u5bfe\u3057\u3066#[pymethods]\u5c5e\u6027\u3092\u4e0e\u3048\u308b<\/ol>\n<\/li>\n<\/ol>\n
          impl\u306e\u4e2d\u306b\u3042\u308b\u95a2\u6570\u306e\u3046\u3061\u3001\u7279\u306b#[new]\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u3057\u305f\u3044\u95a2\u6570\u306b\u3064\u3051\u308b \u3053\u308c\u304c\u306a\u3044\u3068Python\u5074\u304b\u3089\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u308c\u306a\u3044<\/p>\n
          #[pymodule]\u5c5e\u6027\u304c\u3064\u3044\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u521d\u671f\u5316\u3059\u308b\u95a2\u6570\u306e\u4e2d\u3067Rust\u5074\u306e#[pyclass]\u5c5e\u6027\u304c\u3064\u3044\u305f\u69cb\u9020\u4f53\u3084\u5217\u6319\u4f53\u3092Python\u306b\u30d0\u30a4\u30f3\u30c9\u3059\u308b<\/p>\n
          \u3068\u3044\u3046\u6d41\u308c\u3089\u3057\u3044\u3002\u5b9f\u969b\u306b\u66f8\u304f\u3068\u3053\u3093\u306a\u611f\u3058\uff1a<\/p>\n
          use<\/span> pyo3<\/span>::<\/span>prelude<\/span>::<\/span>*<\/span>;<\/span>\r\n#[pyclass]<\/span>\r\nstruct<\/span> MyClass<\/span> {<\/span>\r\n    num<\/span>:<\/span> i32<\/span>,<\/span>\r\n}<\/span>\r\n\r\n#[pymethods]<\/span>\r\nimpl<\/span> MyClass<\/span> {<\/span>\r\n    #[new]<\/span>\r\n    #[args(num<\/span> =<\/span> \"-1\"<\/span>)]<\/span>\r\n    fn<\/span> new<\/span>(<\/span>num<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> Self<\/span> {<\/span>\r\n        MyClass<\/span> {<\/span> num<\/span> }<\/span>\r\n    }<\/span>\r\n\r\n    fn<\/span> getnum<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>)<\/span> -><\/span> i32<\/span> {<\/span>\r\n        return<\/span> self<\/span>.num<\/span>\r\n    }<\/span>\r\n\r\n    #[args(num<\/span> =<\/span> \"10\"<\/span>)]<\/span>\r\n    fn<\/span> setnum<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>,<\/span> num<\/span>:<\/span> i32<\/span>)<\/span> {<\/span>\r\n        self<\/span>.num<\/span> =<\/span> num<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n#[pymodule]<\/span>\r\nfn<\/span> my_module<\/span>(<\/span>_py<\/span>:<\/span> Python<\/span><<\/span>'_<\/span>><\/span>,<\/span> m<\/span>:<\/span> &<\/span>PyModule<\/span>)<\/span> -><\/span> PyResult<\/span><<\/span>()<\/span>><\/span> {<\/span>\r\n    m<\/span>.add_class<\/span>::<\/span><<\/span>MyClass<\/span>><\/span>()<\/span>?<\/span>;<\/span>\r\n    Ok<\/span>(())<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
          >>> import my_module as m\r\n>>> i = m.MyClass()\r\n>>> i.getnum()\r\n-1\r\n>>> i.setnum(2)\r\n>>> i.getnum()\r\n2\r\n<\/code><\/pre>\n
          \u3053\u3046\u3057\u3066\u307f\u308b\u3068\u7c21\u5358\u306b\u898b\u3048\u308b\u304c\u3001Python\u3068Rust\u306e\u8a00\u8a9e\u7684\u7279\u8272\u306e\u9055\u3044\u304b\u3089\u304f\u308b\u5236\u7d04\u304c\u8272\u3005\u3068\u30af\u30e9\u30b9\u306b\u8ab2\u3055\u308c\u3066\u3044\u308b\u3002\u4e00\u3064\u305a\u3064\u307f\u3066\u3044\u304f<\/p>\n
          1. lifetime parameter\u304c\u4f7f\u3048\u306a\u3044<\/h4>\n
          Rust\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30e1\u30e2\u30ea\u5b89\u5168\u6027\u3092\u78ba\u304b\u3081\u308b\u8a00\u8a9e\u3067\u3042\u308b\u4ee5\u4e0a\u3001\u52d5\u7684\u306b\u30c7\u30fc\u30bf\u3092\u4f5c\u3063\u305f\u308a\u6d88\u3057\u305f\u308a\u3059\u308bPython\u3067\u3044\u3064\u30c7\u30fc\u30bf\u304c\u843d\u3068\u3055\u308c\u308b\u304b\u304c\u308f\u304b\u3089\u306a\u3044\u3002\u3064\u307e\u308a\u3001\u4e00\u5ea6Python\u306b\u30c7\u30fc\u30bf\u304c\u6e21\u308b\u3068\u3082\u306f\u3084Rust\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u306f\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306e\u8ffd\u8de1\u304c\u4e0d\u53ef\u80fd\u306b\u306a\u308b\u304b\u3089\u3001lifetime parameter\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u501f\u7528\u3059\u308b\u30c7\u30fc\u30bf\u306f\u6700\u4f4e\u3067\u3082’static\u306a\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306e\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n
          2. \u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u304c\u4f7f\u3048\u306a\u3044<\/h4>\n
          \u3053\u308c\u3081\u3061\u3083\u304f\u3061\u3083\u5f37\u70c8\u3002\u4f8b\u3048\u3070struct Foo\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3002\u304d\u3064\u3059\u304e\u3093\u304b\u2026
          \n\u3069\u3046\u3082Rust\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u5fc5\u8981\u306aT\u306e\u578b\u3092\u3059\u3079\u3066\u6d17\u3044\u51fa\u3057\u3066\u305d\u308c\u3089\u3059\u3079\u3066\u306b\u5b9f\u88c5\u3092\u751f\u6210\u3059\u308b\u3051\u3069\uff08\u77e5\u3089\u306a\u304b\u3063\u305f\uff09\u3001Python\u5074\u3067\u3069\u3093\u306a\u4f7f\u308f\u308c\u65b9\u3092\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u304b\u3089\u3089\u3057\u3044
          \npybind11\u3060\u3068\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5f15\u6570\u304c\u4f7f\u3048\u305f\u3088\u3046\u306a\u6c17\u304c\u3057\u305f\u3051\u3069\u3001\u3001\u3001\u3084\u3063\u3071\u308a\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u3067\u304d\u308b\u9650\u308a\u4f55\u3067\u3082\u3057\u3088\u3046\u3068\u3059\u308bRust\u3067\u306f\u96e3\u3057\u3044\u306e\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n
          3. Send\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/h4>\n
          Python\u30a4\u30f3\u30bf\u30fc\u30d7\u30ea\u30bf\u30fc\u304c\u7570\u306a\u308b\u30b9\u30ec\u30c3\u30c9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u81ea\u7531\u306b\u4f7f\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3002\u307e\u3042\u3060\u3044\u305f\u3044\u306e\u578b\u306fSend\u3067\u3001Send\u306a\u578b\u304b\u3089\u3067\u304d\u308b\u3059\u3079\u3066\u306e\u578b\u306fSend\u306a\u306e\u3067\u554f\u984c\u306f\u306a\u3055\u305d\u3046\u3002Send\u3058\u3083\u306a\u3044\u578b\u3092\u4f7f\u3044\u305f\u3044\u3068\u304d\u306f#[pyclass(unsendable)]\u3092\u4f7f\u3046<\/p>\n
          PyCell\u3068\u5185\u90e8\u53ef\u5909\u6027<\/h2>\n
          \u5185\u90e8\u53ef\u5909\u6027\u3063\u3066\u4f55\uff1f\u3063\u3066\u3044\u3046\u4eba\u306fTRPL\u306b\u304b\u306a\u308a\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u4e00\u5ea6\u898b\u3066\u307f\u308b\u3068\u3044\u3044\u3068\u601d\u3046
          \n\u7aef\u7684\u306b\u8a00\u3048\u3070\u3001\u501f\u7528\u898f\u5247(1\u3064\u306e\u53ef\u5909\u53c2\u7167\u304b\u305f\u304f\u3055\u3093\u306e\u4e0d\u5909\u53c2\u7167\u3057\u304b\u8a31\u3055\u306a\u3044)\u3092\u3001Rust\u306f\u901a\u5e38\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u308b\u3051\u3069\u3001\u3053\u308c\u3092\u5b9f\u884c\u6642\u306b\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3088\uff5e\u3063\u3066\u3044\u3046\u306e\u304c\u5185\u90e8\u53ef\u5909\u6027\u30d1\u30bf\u30fc\u30f3<\/p>\n
          \u4f8b\u3048\u3070Python\u3067\u4f5c\u3063\u305fpyclass\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e2d\u8eab\u3092Rust\u5074\u3067\u30c6\u30b9\u30c8\u3057\u305f\u3044\u306a\u3042\u3068\u306a\u3063\u305f\u3068\u304d\u3001\u5185\u90e8\u53ef\u5909\u6027\u3092\u3082\u3063\u305fPyCell\u3092\u4f7f\u3046\u3068\u3044\u3044\u3089\u3057\u3044\u3002
          \n\u8a73\u3057\u3044\u4f7f\u3044\u65b9\u306a\u3069\u306f\u539f\u8457(ry<\/p>\n
          \u30af\u30e9\u30b9\u3092\u30ab\u30b9\u30bf\u30e0\u3059\u308b<\/h2>\n
          #[pyclass(parameter = …)]\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u30af\u30e9\u30b9\u3092\u8272\u3005\u30ab\u30b9\u30bf\u30e0\u3067\u304d\u308b<\/p>\n
          \n
          \u30d1\u30e9\u30e1\u30fc\u30bf\u3056\u3063\u304f\u308a\u3057\u305f\u8aac\u660ecrate = \"some::path\"<\/code>pyo3<\/code>\u30af\u30ec\u30fc\u30c8\u306e\u30d1\u30b9\u3092\u6307\u5b9a(\u666e\u901a\u306f\u3044\u3089\u306a\u3044)dict<\/code>Python\u3067__dict__<\/code>\u3092\u4f7f\u3046\u305f\u3081\u306e\u4e0b\u6e96\u5099\u307f\u305f\u3044\u306a\u3082\u306e\uff1fextends = BaseType<\/code>\u30d9\u30fc\u30b9\u30af\u30e9\u30b9 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30bf\u30a4\u30d7\u3092\u6c7a\u3081\u308b\u3089\u3057\u3044freelist = N<\/code>\u30b5\u30a4\u30baN<\/code>\u306e\u30d5\u30ea\u30fc\u30ea\u30b9\u30c8<\/a>\u3092\u4f5c\u308b\u3002\u983b\u7e41\u306b\u6d88\u3057\u305f\u308a\u4f5c\u3063\u305f\u308a\u3059\u308b\u578b\u306b\u52b9\u679c\u3092\u767a\u63ee\u3059\u308bmapping<\/code>PyO3\u306bdict<\/code>\u306e\u3088\u3046\u306a\u30de\u30c3\u30d4\u30f3\u30b0\u578b<\/a>\u3067\u3042\u308b\u3053\u3068\u3092\u4f1d\u3048\u308bmodule = \"module_name\"<\/code>\u3069\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u306e\u30af\u30e9\u30b9\u3068\u3057\u3066\u8868\u793a\u3059\u308b\u304bPython\u306b\u4f1d\u3048\u308bname = \"class_name\"<\/code>Python\u5074\u3067\u3069\u306e\u3088\u3046\u306a\u540d\u524d\u306e\u30af\u30e9\u30b9\u3068\u3057\u3066\u6271\u3046\u304b\u4f1d\u3048\u308bsequence<\/code>PyO3\u306blist<\/code>\u306e\u3088\u3046\u306a\u30b7\u30fc\u30b1\u30f3\u30b9\u578b<\/a>\u3067\u3042\u308b\u3053\u3068\u3092\u4f1d\u3048\u308bsubclass<\/code>\u3053\u306e\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u5217\u6319\u578b\u306f\u6307\u5b9a\u4e0d\u53eftext_signature=\"(arg1, ...)\"<\/code>__new__<\/code>\u306etext signature\u3092\u8a2d\u5b9aunsendable<\/code>Send<\/code>\u3058\u3083\u306a\u3044\u578b\u3092\u4f7f\u3044\u305f\u3044\u3068\u304d\u3002\u306a\u308b\u3079\u304f\u907f\u3051\u308b\u3079\u304dweakref<\/code>\u3053\u306e\u30af\u30e9\u30b9\u3078\u306e\u5f31\u53c2\u7167<\/a>\u3092\u8a31\u53ef\u3059\u308b<\/div>\n<\/div>\n
          \u5f53\u9762\u306fweakref\u304bname\u304f\u3089\u3044\u3057\u304b\u4f7f\u308f\u306a\u3055\u305d\u3046\u3002<\/p>\n
          \u7d99\u627f<\/h2>\n
          TBD
          \n\u305d\u3082\u305d\u3082Rust\u306e\u8a2d\u8a08\u601d\u60f3\u3067\u306f\u7d99\u627f\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u500b\u4eba\u7684\u306b\u306f\u3067\u304d\u308c\u3070\u907f\u3051\u305f\u307b\u3046\u304c\u3044\u3044\u3068\u601d\u3046\u3002<\/p>\n
          getter, setter<\/h2>\n
          #[pyo3(get, set)]\u3092\u4f7f\u3046\u3068getter\u3084setter\u3092\u81ea\u52d5\u3067\u751f\u6210\u3057\u3066\u304f\u308c\u308b\u3002<\/p>\n
          #[pyclass]<\/span>\r\nstruct<\/span> MyClass<\/span> {<\/span>\r\n    #[pyo3(get,<\/span> set)]<\/span>\r\n    num<\/span>:<\/span> i32<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
          \u3053\u308c\u3067Python\u5074\u3067instance.num = 3\u306e\u3088\u3046\u306b\u3067\u304d\u308b\u3002\u3053\u308c\u3092\u4f7f\u3046\u306b\u306f\u6761\u4ef6\u304c\u3042\u3063\u3066\u3001<\/p>\n
          get\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u578b\u306b\u306fIntoPy, Clone\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b<\/p>\n
          set\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u578b\u306b\u306fFromPyObject\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b
          \n\u3082\u3057\u3053\u306e\u6761\u4ef6\u3092\u307f\u305f\u3055\u306a\u304b\u3063\u305f\u308agetter\u3084setter\u306b\u526f\u4f5c\u7528\u304c\u3042\u308b\u306a\u3089\u3001\u81ea\u5206\u3067#[getter], #[setter]\u5c5e\u6027\u306e\u3064\u3044\u305f\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/p>\n
          Extra. Numpy\u4f7f\u3044\u305f\u3044\u304c<\/h1>\n
           <\/p>\n
          \u3053\u308c\u3092\u4f7f\u304a\u3046\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u7814\u7a76\u3067PyO3\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u51fa\u305f(aka \u4f7f\u3044\u305f\u3044\u3060\u3051)\u306e\u3067\u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u3092\u9069\u5f53\u306b\u307e\u3068\u3081\u308b \u81ea\u5206\u304cRust\u521d\u5fc3\u8005 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45394","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45394-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u7814\u7a76\u3067PyO3\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u51fa\u305f(aka \u4f7f\u3044\u305f\u3044\u3060\u3051)\u306e\u3067\u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u3092\u9069\u5f53\u306b\u307e\u3068\u3081\u308b \u81ea\u5206\u304cRust\u521d\u5fc3\u8005 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45394-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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