Struct pyo3::exceptions::PySystemError
source · pub struct PySystemError(PyAny);
Expand description
Represents Python’s SystemError
exception.
§Example: Raising SystemError from Rust
This exception can be sent to Python code by converting it into a
PyErr
, where Python code can then catch it.
use pyo3::prelude::*;
use pyo3::exceptions::PySystemError;
#[pyfunction]
fn always_throws() -> PyResult<()> {
let message = "I'm SystemError, and I was raised from Rust.";
Err(PySystemError::new_err(message))
}
Python code:
from my_module import always_throws
try:
always_throws()
except SystemError as e:
print(f"Caught an exception: {e}")
§Example: Catching SystemError in Rust
use pyo3::prelude::*;
use pyo3::exceptions::PySystemError;
Python::with_gil(|py| {
let result: PyResult<()> = py.run_bound("raise SystemError", None, None);
let error_type = match result {
Ok(_) => "Not an error",
Err(error) if error.is_instance_of::<PySystemError>(py) => "SystemError",
Err(_) => "Some other error",
};
assert_eq!(error_type, "SystemError");
});
Tuple Fields§
§0: PyAny
Implementations§
source§impl PySystemError
impl PySystemError
source§impl PySystemError
impl PySystemError
#[doc(hidden)] pub const _PYO3_DEF: AddTypeToModule<Self> = _
Methods from Deref<Target = PyAny>§
#[doc(hidden)] pub const _PYO3_DEF: AddTypeToModule<Self> = _
Trait Implementations§
source§impl AsPyPointer for PySystemError
impl AsPyPointer for PySystemError
source§impl AsRef<PyAny> for PySystemError
impl AsRef<PyAny> for PySystemError
source§impl Deref for PySystemError
impl Deref for PySystemError
source§impl PyClassBaseType for PySystemError
impl PyClassBaseType for PySystemError
source§impl PyTypeInfo for PySystemError
impl PyTypeInfo for PySystemError
source§const NAME: &'static str = "PySystemError"
const NAME: &'static str = "PySystemError"
Available on non-crate feature
gil-refs
only.Class name.
source§const MODULE: Option<&'static str> = _
const MODULE: Option<&'static str> = _
Available on non-crate feature
gil-refs
only.Module name, if any.
source§fn type_object_raw(py: Python<'_>) -> *mut PyTypeObject
fn type_object_raw(py: Python<'_>) -> *mut PyTypeObject
Available on non-crate feature
gil-refs
only.Returns the PyTypeObject instance for this type.
source§fn type_object_bound(py: Python<'_>) -> Bound<'_, PyType>
fn type_object_bound(py: Python<'_>) -> Bound<'_, PyType>
Available on non-crate feature
gil-refs
only.Returns the safe abstraction over the type object.
impl DerefToPyAny for PySystemError
impl PyLayout<PySystemError> for PyBaseExceptionObject
impl PySizedLayout<PySystemError> for PyBaseExceptionObject
impl ToPyErr for PySystemError
Auto Trait Implementations§
impl !Freeze for PySystemError
impl !RefUnwindSafe for PySystemError
impl !Send for PySystemError
impl !Sync for PySystemError
impl Unpin for PySystemError
impl UnwindSafe for PySystemError
Blanket Implementations§
source§impl<T> AssertNotZeroSized for T
impl<T> AssertNotZeroSized for T
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more