Name
PyErr_SetFromErrno
Synopsis
PyObject* PyErr_SetFromErrno(PyObject* type)Raises an exception of class type, a
built-in such as PyExc_OSError, or an exception
class created with PyErr_NewException. Takes all
details from global variable errno, which C
library functions and system calls set for many error cases, and the
standard C library function strerror. Returns
NULL, so your code can just call:
return PyErr_SetFromErrno(PyExc_IOError);
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