Method fetch

src/err.rs:218–226

Retrieves the current error from the Python interpreter's global state. The error is cleared from the Python interpreter. If no error is set, returns a `SystemError`.

(py: Python)

    /// The error is cleared from the Python interpreter.
    /// If no error is set, returns a `SystemError`.
    pub fn fetch(py: Python) -> PyErr {
        let mut ptype: *mut ffi::PyObject = ptr::null_mut();
        let mut pvalue: *mut ffi::PyObject = ptr::null_mut();
        let mut ptraceback: *mut ffi::PyObject = ptr::null_mut();
        unsafe {
            ffi::PyErr_Fetch(&mut ptype, &mut pvalue, &mut ptraceback);
            PyErr::new_from_ffi_tuple(py, ptype, pvalue, ptraceback)
        }
    }

    unsafe fn new_from_ffi_tuple(
        py: Python,