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Extend python exception cv.error

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to provide `file`, `func`, `line`, `code`, `msg`, and `err` attributes
This commit is contained in:
Hamdi Sahloul 2018-08-21 12:41:07 +09:00
parent 900df21b7d
commit f1ca05c822
1 changed files with 16 additions and 2 deletions
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18
modules/python/src2/cv2.cpp
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@ -110,7 +110,7 @@ PyObject* pyopencv_from(const TYPE& src)
#include <map> #include <map>
static PyObject* opencv_error = 0; static PyObject* opencv_error = NULL;
static int failmsg(const char *fmt, ...) static int failmsg(const char *fmt, ...)
{ {
@ -171,6 +171,12 @@ try \
} \ } \
catch (const cv::Exception &e) \ catch (const cv::Exception &e) \
{ \ { \
PyObject_SetAttrString(opencv_error, "file", PyString_FromString(e.file.c_str())); \
PyObject_SetAttrString(opencv_error, "func", PyString_FromString(e.func.c_str())); \
PyObject_SetAttrString(opencv_error, "line", PyInt_FromLong(e.line)); \
PyObject_SetAttrString(opencv_error, "code", PyInt_FromLong(e.code)); \
PyObject_SetAttrString(opencv_error, "msg", PyString_FromString(e.msg.c_str())); \
PyObject_SetAttrString(opencv_error, "err", PyString_FromString(e.err.c_str())); \
PyErr_SetString(opencv_error, e.what()); \ PyErr_SetString(opencv_error, e.what()); \
return 0; \ return 0; \
} }
@ -2030,7 +2036,15 @@ void initcv2()
PyDict_SetItemString(d, "__version__", PyString_FromString(CV_VERSION)); PyDict_SetItemString(d, "__version__", PyString_FromString(CV_VERSION));
opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL); PyObject *opencv_error_dict = PyDict_New();
PyDict_SetItemString(opencv_error_dict, "file", Py_None);
PyDict_SetItemString(opencv_error_dict, "func", Py_None);
PyDict_SetItemString(opencv_error_dict, "line", Py_None);
PyDict_SetItemString(opencv_error_dict, "code", Py_None);
PyDict_SetItemString(opencv_error_dict, "msg", Py_None);
PyDict_SetItemString(opencv_error_dict, "err", Py_None);
opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, opencv_error_dict);
Py_DECREF(opencv_error_dict);
PyDict_SetItemString(d, "error", opencv_error); PyDict_SetItemString(d, "error", opencv_error);
//Registering UMatWrapper python class in cv2 module: //Registering UMatWrapper python class in cv2 module: