# context.rs - source
Source of the Rust file `/home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/pyo3-0.13.2/src/ffi/context.rs`.
Keywords: rust, rustlang, rust-lang

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    use crate::ffi::object::{PyObject, PyTypeObject, Py_TYPE};
    use std::os::raw::{c_char, c_int};

    extern "C" {
        pub static mut PyContext_Type: PyTypeObject;
        // skipped non-limited opaque PyContext
        pub static mut PyContextVar_Type: PyTypeObject;
        // skipped non-limited opaque PyContextVar
        pub static mut PyContextToken_Type: PyTypeObject;
        // skipped non-limited opaque PyContextToken
    }

    #[inline]
    pub unsafe fn PyContext_CheckExact(op: *mut PyObject) -> c_int {
        (Py_TYPE(op) == &mut PyContext_Type) as c_int
    }

    #[inline]
    pub unsafe fn PyContextVar_CheckExact(op: *mut PyObject) -> c_int {
        (Py_TYPE(op) == &mut PyContextVar_Type) as c_int
    }

    #[inline]
    pub unsafe fn PyContextToken_CheckExact(op: *mut PyObject) -> c_int {
        (Py_TYPE(op) == &mut PyContextToken_Type) as c_int
    }

    extern "C" {
        pub fn PyContext_New() -> *mut PyObject;
        pub fn PyContext_Copy(ctx: *mut PyObject) -> *mut PyObject;
        pub fn PyContext_CopyCurrent() -> *mut PyObject;

        pub fn PyContext_Enter(ctx: *mut PyObject) -> c_int;
        pub fn PyContext_Exit(ctx: *mut PyObject) -> c_int;

        pub fn PyContextVar_New(name: *const c_char, def: *mut PyObject) -> *mut PyObject;
        pub fn PyContextVar_Get(
            var: *mut PyObject,
            default_value: *mut PyObject,
            value: *mut *mut PyObject,
        ) -> c_int;
        pub fn PyContextVar_Set(var: *mut PyObject, value: *mut PyObject) -> *mut PyObject;
        pub fn PyContextVar_Reset(var: *mut PyObject, token: *mut PyObject) -> c_int;
        // skipped non-limited _PyContext_NewHamtForTests
    }