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vendor/pyo3-macros/.cargo-checksum.json
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vendor/pyo3-macros/.cargo_vcs_info.json
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vendor/pyo3-macros/Cargo.lock
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 4
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vendor/pyo3-macros/Cargo.toml
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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies.
#
# If you are reading this file be aware that the original Cargo.toml
# will likely look very different (and much more reasonable).
# See Cargo.toml.orig for the original contents.
[package]
edition = "2021"
rust-version = "1.83"
name = "pyo3-macros"
version = "0.29.2"
authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
build = false
autolib = false
autobins = false
autoexamples = false
autotests = false
autobenches = false
description = "Proc macros for PyO3 package"
homepage = "https://github.com/pyo3/pyo3"
readme = false
keywords = [
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"python",
"cpython",
"ffi",
]
categories = [
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"development-tools::ffi",
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repository = "https://github.com/pyo3/pyo3"
[features]
experimental-async = ["pyo3-macros-backend/experimental-async"]
experimental-inspect = ["pyo3-macros-backend/experimental-inspect"]
multiple-pymethods = []
[lib]
name = "pyo3_macros"
path = "src/lib.rs"
proc-macro = true
[dependencies.proc-macro2]
version = "1.0.60"
default-features = false
[dependencies.pyo3-macros-backend]
version = "=0.29.2"
[dependencies.quote]
version = "1"
[dependencies.syn]
version = "2"
features = [
"full",
"extra-traits",
]
[lints.clippy]
checked_conversions = "warn"
dbg_macro = "warn"
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let_unit_value = "warn"
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]
[lints.rustdoc]
bare_urls = "warn"
broken_intra_doc_links = "warn"
vendor/pyo3-macros/Cargo.toml.orig
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[package]
name = "pyo3-macros"
version = "0.29.2"
description = "Proc macros for PyO3 package"
authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
keywords = ["pyo3", "python", "cpython", "ffi"]
homepage = "https://github.com/pyo3/pyo3"
repository = "https://github.com/pyo3/pyo3"
categories = ["api-bindings", "development-tools::ffi"]
license = "MIT OR Apache-2.0"
edition = "2021"
rust-version.workspace = true
[lib]
proc-macro = true
[features]
multiple-pymethods = []
experimental-async = ["pyo3-macros-backend/experimental-async"]
experimental-inspect = ["pyo3-macros-backend/experimental-inspect"]
[dependencies]
proc-macro2 = { version = "1.0.60", default-features = false }
quote = "1"
syn = { version = "2", features = ["full", "extra-traits"] }
pyo3-macros-backend = { path = "../pyo3-macros-backend", version = "=0.29.2" }
[lints]
workspace = true
vendor/pyo3-macros/LICENSE-APACHE
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Copyright (c) 2017-present PyO3 Project and Contributors. https://github.com/PyO3
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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vendor/pyo3-macros/LICENSE-MIT
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Copyright (c) 2023-present PyO3 Project and Contributors. https://github.com/PyO3
Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
vendor/pyo3-macros/src/lib.rs
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//! This crate declares only the proc macro attributes, as a crate defining proc macro attributes
//! must not contain any other public items.
#![cfg_attr(docsrs, feature(doc_cfg))]
use proc_macro::TokenStream;
use proc_macro2::TokenStream as TokenStream2;
use pyo3_macros_backend::{
build_derive_from_pyobject, build_derive_into_pyobject, build_py_class, build_py_enum,
build_py_function, build_py_methods, pymodule_function_impl, pymodule_module_impl, PyClassArgs,
PyClassMethodsType, PyFunctionOptions, PyModuleOptions,
};
use quote::quote;
use syn::{parse_macro_input, Item};
/// A proc macro used to implement Python modules.
///
/// The name of the module will be taken from the module name, unless `#[pyo3(name = "my_name")]`
/// is also annotated on the module to override the name. **Important**: the module name should
/// match the `lib.name` setting in `Cargo.toml`, so that Python is able to import the module
/// without needing a custom import loader.
///
/// Modules annotated with `#[pymodule]` can also be annotated with the following:
///
/// | Annotation | Description |
/// | :- | :- |
/// | `#[pyo3(name = "...")]` | Defines the name of the module in Python. |
/// | `#[pyo3(submodule)]` | Skips adding a `PyInit_` FFI symbol to the compiled binary. |
/// | `#[pyo3(module = "...")]` | Defines the Python `dotted.path` to the parent module for use in introspection. |
/// | `#[pyo3(crate = "pyo3")]` | Defines the path to PyO3 to use code generated by the macro. |
/// | `#[pyo3(gil_used = true)]` | Declares the GIL is needed to run this module safely under free-threaded Python. |
///
/// For more on creating Python modules see the [module section of the guide][1].
///
/// It is also possible to use this macro on functions but this is a deprecated usage. In this case,
/// due to technical limitations on how `#[pymodule]` is implemented, a function marked
/// `#[pymodule]` cannot have a module with the same name in the same scope. (The
/// `#[pymodule]` implementation generates a hidden module with the same name containing
/// metadata about the module, which is used by `wrap_pymodule!`).
///
#[doc = concat!("[1]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/module.html")]
#[proc_macro_attribute]
pub fn pymodule(args: TokenStream, input: TokenStream) -> TokenStream {
let options = parse_macro_input!(args as PyModuleOptions);
let mut ast = parse_macro_input!(input as Item);
let expanded = match &mut ast {
Item::Mod(module) => {
match pymodule_module_impl(module, options) {
// #[pymodule] on a module will rebuild the original ast, so we don't emit it here
Ok(expanded) => return expanded.into(),
Err(e) => Err(e),
}
}
Item::Fn(function) => pymodule_function_impl(function, options),
unsupported => Err(syn::Error::new_spanned(
unsupported,
"#[pymodule] only supports modules and functions.",
)),
}
.unwrap_or_compile_error();
quote!(
#ast
#expanded
)
.into()
}
#[proc_macro_attribute]
pub fn pyclass(attr: TokenStream, input: TokenStream) -> TokenStream {
let item = parse_macro_input!(input as Item);
match item {
Item::Struct(struct_) => pyclass_impl(attr, struct_, methods_type()),
Item::Enum(enum_) => pyclass_enum_impl(attr, enum_, methods_type()),
unsupported => {
syn::Error::new_spanned(unsupported, "#[pyclass] only supports structs and enums.")
.into_compile_error()
.into()
}
}
}
/// A proc macro used to expose methods to Python.
///
/// Methods within a `#[pymethods]` block can be annotated with as well as the following:
///
/// | Annotation | Description |
/// | :- | :- |
/// | [`#[new]`][4] | Defines the class constructor, like Python's `__new__` method. |
/// | [`#[getter]`][5] and [`#[setter]`][5] | These define getters and setters, similar to Python's `@property` decorator. This is useful for getters/setters that require computation or side effects; if that is not the case consider using [`#[pyo3(get, set)]`][12] on the struct's field(s).|
/// | [`#[staticmethod]`][6]| Defines the method as a staticmethod, like Python's `@staticmethod` decorator.|
/// | [`#[classmethod]`][7] | Defines the method as a classmethod, like Python's `@classmethod` decorator.|
/// | [`#[classattr]`][9] | Defines a class variable. |
/// | [`#[args]`][10] | Deprecated way to define a method's default arguments and allows the function to receive `*args` and `**kwargs`. Use `#[pyo3(signature = (...))]` instead. |
/// | <nobr>[`#[pyo3(<option> = <value>)`][11]</nobr> | Any of the `#[pyo3]` options supported on [`macro@pyfunction`]. |
///
/// For more on creating class methods,
/// see the [class section of the guide][1].
///
/// If the [`multiple-pymethods`][2] feature is enabled, it is possible to implement
/// multiple `#[pymethods]` blocks for a single `#[pyclass]`.
/// This will add a transitive dependency on the [`inventory`][3] crate.
///
#[doc = concat!("[1]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#instance-methods")]
#[doc = concat!("[2]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/features.html#multiple-pymethods")]
/// [3]: https://docs.rs/inventory/
#[doc = concat!("[4]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#constructor")]
#[doc = concat!("[5]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#object-properties-using-getter-and-setter")]
#[doc = concat!("[6]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#static-methods")]
#[doc = concat!("[7]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#class-methods")]
#[doc = concat!("[8]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#callable-objects")]
#[doc = concat!("[9]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#class-attributes")]
#[doc = concat!("[10]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#method-arguments")]
#[doc = concat!("[11]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/function.html#function-options")]
#[doc = concat!("[12]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/class.html#object-properties-using-pyo3get-set")]
#[proc_macro_attribute]
pub fn pymethods(attr: TokenStream, input: TokenStream) -> TokenStream {
let methods_type = if cfg!(feature = "multiple-pymethods") {
PyClassMethodsType::Inventory
} else {
PyClassMethodsType::Specialization
};
pymethods_impl(attr, input, methods_type)
}
/// A proc macro used to expose Rust functions to Python.
///
/// Functions annotated with `#[pyfunction]` can also be annotated with the following `#[pyo3]`
/// options:
///
/// | Annotation | Description |
/// | :- | :- |
/// | `#[pyo3(name = "...")]` | Defines the name of the function in Python. |
/// | `#[pyo3(text_signature = "...")]` | Defines the `__text_signature__` attribute of the function in Python. |
/// | `#[pyo3(pass_module)]` | Passes the module containing the function as a `&PyModule` first argument to the function. |
/// | `#[pyo3(warn(message = "...", category = ...))]` | Generate warning given a message and a category |
///
/// For more on exposing functions see the [function section of the guide][1].
///
/// Due to technical limitations on how `#[pyfunction]` is implemented, a function marked
/// `#[pyfunction]` cannot have a module with the same name in the same scope. (The
/// `#[pyfunction]` implementation generates a hidden module with the same name containing
/// metadata about the function, which is used by `wrap_pyfunction!`).
///
#[doc = concat!("[1]: https://pyo3.rs/v", env!("CARGO_PKG_VERSION"), "/function.html")]
#[proc_macro_attribute]
pub fn pyfunction(attr: TokenStream, input: TokenStream) -> TokenStream {
let mut ast = parse_macro_input!(input as syn::ItemFn);
let options = parse_macro_input!(attr as PyFunctionOptions);
let expanded = build_py_function(&mut ast, options).unwrap_or_compile_error();
quote!(
#ast
#expanded
)
.into()
}
#[proc_macro_derive(IntoPyObject, attributes(pyo3))]
pub fn derive_into_py_object(item: TokenStream) -> TokenStream {
let ast = parse_macro_input!(item as syn::DeriveInput);
let expanded = build_derive_into_pyobject::<false>(&ast).unwrap_or_compile_error();
quote!(
#expanded
)
.into()
}
#[proc_macro_derive(IntoPyObjectRef, attributes(pyo3))]
pub fn derive_into_py_object_ref(item: TokenStream) -> TokenStream {
let ast = parse_macro_input!(item as syn::DeriveInput);
let expanded =
pyo3_macros_backend::build_derive_into_pyobject::<true>(&ast).unwrap_or_compile_error();
quote!(
#expanded
)
.into()
}
#[proc_macro_derive(FromPyObject, attributes(pyo3))]
pub fn derive_from_py_object(item: TokenStream) -> TokenStream {
let ast = parse_macro_input!(item as syn::DeriveInput);
let expanded = build_derive_from_pyobject(&ast).unwrap_or_compile_error();
quote!(
#expanded
)
.into()
}
fn pyclass_impl(
attrs: TokenStream,
mut ast: syn::ItemStruct,
methods_type: PyClassMethodsType,
) -> TokenStream {
let args = parse_macro_input!(attrs with PyClassArgs::parse_struct_args);
let expanded = build_py_class(&mut ast, args, methods_type).unwrap_or_compile_error();
quote!(
#ast
#expanded
)
.into()
}
fn pyclass_enum_impl(
attrs: TokenStream,
mut ast: syn::ItemEnum,
methods_type: PyClassMethodsType,
) -> TokenStream {
let args = parse_macro_input!(attrs with PyClassArgs::parse_enum_args);
let expanded = build_py_enum(&mut ast, args, methods_type).unwrap_or_compile_error();
quote!(
#ast
#expanded
)
.into()
}
fn pymethods_impl(
attr: TokenStream,
input: TokenStream,
methods_type: PyClassMethodsType,
) -> TokenStream {
let mut ast = parse_macro_input!(input as syn::ItemImpl);
// Apply all options as a #[pyo3] attribute on the ItemImpl
// e.g. #[pymethods(crate = "crate")] impl Foo { }
// -> #[pyo3(crate = "crate")] impl Foo { }
let attr: TokenStream2 = attr.into();
ast.attrs.push(syn::parse_quote!( #[pyo3(#attr)] ));
let expanded = build_py_methods(&mut ast, methods_type).unwrap_or_compile_error();
quote!(
#ast
#expanded
)
.into()
}
fn methods_type() -> PyClassMethodsType {
if cfg!(feature = "multiple-pymethods") {
PyClassMethodsType::Inventory
} else {
PyClassMethodsType::Specialization
}
}
trait UnwrapOrCompileError {
fn unwrap_or_compile_error(self) -> TokenStream2;
}
impl UnwrapOrCompileError for syn::Result<TokenStream2> {
fn unwrap_or_compile_error(self) -> TokenStream2 {
self.unwrap_or_else(|e| e.into_compile_error())
}
}