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Copy pathsysmodule.rs
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93 lines (86 loc) · 2.74 KB
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use crate::PyObject;
use crate::pystate::with_vm;
use crate::util::{CStrExt, FfiPtrExt};
use core::ffi::{c_char, c_int};
use rustpython_vm::AsObject;
use rustpython_vm::builtins::{PyDict, PyStr};
#[unsafe(no_mangle)]
pub unsafe extern "C" fn PySys_GetAttr(name: *mut PyObject) -> *mut PyObject {
with_vm(|vm| {
let name = unsafe { name.assume_borrowed_and_cast::<PyStr>(vm) }?;
vm.sys_module.dict().get_item(name, vm)
})
}
#[unsafe(no_mangle)]
pub unsafe extern "C" fn PySys_GetAttrString(name: *const c_char) -> *mut PyObject {
with_vm(|vm| {
let name = unsafe { name.try_as_str(vm) }?;
vm.sys_module.dict().get_item(name, vm)
})
}
#[unsafe(no_mangle)]
pub unsafe extern "C" fn PySys_GetObject(name: *const c_char) -> *mut PyObject {
with_vm(|vm| {
let Ok(name) = (unsafe { name.try_as_str(vm) }) else {
return core::ptr::null();
};
vm.sys_module
.dict()
.get_item_opt(name, vm)
.ok()
.flatten()
.map_or_default(|value| value.as_object().as_raw())
})
}
#[unsafe(no_mangle)]
pub unsafe extern "C" fn PySys_GetOptionalAttr(
name: *mut PyObject,
result: *mut *mut PyObject,
) -> c_int {
with_vm(|vm| {
unsafe { *result = core::ptr::null_mut() };
let name = unsafe { name.assume_borrowed_and_cast::<PyStr>(vm) }?;
if let Some(value) = vm.sys_module.dict().get_item_opt(name, vm)? {
unsafe { *result = value.into_raw().as_ptr() };
Ok(true)
} else {
Ok(false)
}
})
}
#[unsafe(no_mangle)]
pub unsafe extern "C" fn PySys_GetOptionalAttrString(
name: *const c_char,
result: *mut *mut PyObject,
) -> c_int {
with_vm(|vm| {
unsafe { *result = core::ptr::null_mut() };
let name = unsafe { name.try_as_str(vm) }?;
if let Some(value) = vm.sys_module.dict().get_item_opt(name, vm)? {
unsafe { *result = value.into_raw().as_ptr() };
Ok(true)
} else {
Ok(false)
}
})
}
#[unsafe(no_mangle)]
pub extern "C" fn PySys_GetXOptions() -> *mut PyObject {
with_vm(|vm| {
let options = vm.sys_module.dict().get_item("_xoptions", vm)?;
let options = options.try_downcast_ref::<PyDict>(vm)?;
Ok(options.as_object().as_raw())
})
}
#[unsafe(no_mangle)]
pub unsafe extern "C" fn PySys_SetObject(name: *const c_char, value: *mut PyObject) -> c_int {
with_vm(|vm| {
let name = unsafe { name.try_as_str(vm) }?;
let dict = vm.sys_module.dict();
if let Some(value) = unsafe { value.assume_borrowed_or_opt() } {
dict.set_item(name, value.to_owned(), vm)
} else {
dict.del_item(name, vm)
}
})
}