Hi Barry,

void handleError(const char* msg)
{
...
PyErr_Fetch(&pyExcType, &pyExcValue, &pyExcTraceback);
PyErr_NormalizeException(&pyExcType, &pyExcValue, &pyExcTraceback);

PyObject* str_value = PyObject_Repr(pyExcValue);
PyObject* pyExcValueStr = PyUnicode_AsEncodedString(str_value, "utf-8",
"Error ~");
const char **strErrValue* = PyBytes_AS_STRING(pyExcValueStr);

//where   *strErrValue*   = "ImportError('Error: Reinit is forbidden')"
...
}

What we imported is a Python file which import some pyd libraries.


Thanks
Jason


On Thu, May 18, 2023 at 3:53 AM Barry <ba...@barrys-emacs.org> wrote:

>
>
> > On 17 May 2023, at 20:35, Jason Qian via Python-list <
> python-list@python.org> wrote:
> >
> >  Hi,
> >
> >   I Need some of your help.
> >
> > I have the following C code to import *Import python.*   It works 99% of
> > the time, but sometimes  receives  "*ImportError('Error: Reinit is
> > forbidden')*". error.
> > **We run multiple instances of the app parallelly.
> >
> > *** Python version(3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC
> > v.1914 64 bit (AMD64)]
> >
> > PyObject * importPythonModule(const char* pmodName)
> > {
> >    const char* errors = NULL;
> >     int nlen = strlen(pmodName);
> >     PyObject *pName = PyUnicode_DecodeUTF8(pmodName, nlen, errors);
> >     PyObject *pModule = *PyImport_Import*(pName);
> >     Py_DECREF(pName);
> >     if (pModule == NULL) {
> >     if (*PyErr_Occurred*()) {
> >            handleError("PyImport_Import()");
> >      }
> >   }
> > }
> > void handleError(const char* msg)
> > {
> >  ...
> >  "PyImport_Import() - ImportError('Error: Reinit is forbidden')"
> > }
>
> You do not seem to printing out msg, you have assumed it means reinit it
> seems.
> What does msg contain when it fails?
>
> Barry
> >
> >
> > Thanks
> > Jason
> > --
> > https://mail.python.org/mailman/listinfo/python-list
> >
>
>
-- 
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