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use crate::conversion::AsPyPointer;
use crate::err::PyDowncastError;
use crate::internal_tricks::Unsendable;
use crate::{ffi, PyObject, PyRef, PyRefMut, PyTryFrom, PyTypeInfo};
#[repr(transparent)]
pub struct PyAny(PyObject, Unsendable);
pyobject_native_type_named!(PyAny);
pyobject_native_type_convert!(PyAny, ffi::PyBaseObject_Type, ffi::PyObject_Check);
impl PyAny {
pub fn downcast_ref<T>(&self) -> Result<&T, PyDowncastError>
where
T: for<'gil> PyTryFrom<'gil>,
{
T::try_from(self)
}
pub fn downcast_mut<T>(&self) -> Result<&mut T, PyDowncastError>
where
T: for<'gil> PyTryFrom<'gil>,
{
T::try_from_mut(self)
}
}
impl<'a, T> From<PyRef<'a, T>> for &'a PyAny
where
T: PyTypeInfo,
{
fn from(pref: PyRef<'a, T>) -> &'a PyAny {
unsafe { &*(pref.as_ptr() as *const PyAny) }
}
}
impl<'a, T> From<PyRefMut<'a, T>> for &'a PyAny
where
T: PyTypeInfo,
{
fn from(pref: PyRefMut<'a, T>) -> &'a PyAny {
unsafe { &*(pref.as_ptr() as *const PyAny) }
}
}