mirror of
https://github.com/opencv/opencv.git
synced 2024-12-11 22:59:16 +08:00
135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
#ifndef CV2_UTIL_HPP
|
|
#define CV2_UTIL_HPP
|
|
|
|
#include "cv2.hpp"
|
|
#include "opencv2/core.hpp"
|
|
#include "opencv2/core/utils/tls.hpp"
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
//======================================================================================================================
|
|
|
|
bool isPythonBindingsDebugEnabled();
|
|
void emit_failmsg(PyObject * exc, const char *msg);
|
|
int failmsg(const char *fmt, ...);
|
|
PyObject* failmsgp(const char *fmt, ...);
|
|
|
|
//======================================================================================================================
|
|
|
|
class PyAllowThreads
|
|
{
|
|
public:
|
|
PyAllowThreads() : _state(PyEval_SaveThread()) {}
|
|
~PyAllowThreads()
|
|
{
|
|
PyEval_RestoreThread(_state);
|
|
}
|
|
private:
|
|
PyThreadState* _state;
|
|
};
|
|
|
|
class PyEnsureGIL
|
|
{
|
|
public:
|
|
PyEnsureGIL() : _state(PyGILState_Ensure()) {}
|
|
~PyEnsureGIL()
|
|
{
|
|
PyGILState_Release(_state);
|
|
}
|
|
private:
|
|
PyGILState_STATE _state;
|
|
};
|
|
|
|
/**
|
|
* Light weight RAII wrapper for `PyObject*` owning references.
|
|
* In comparisson to C++11 `std::unique_ptr` with custom deleter, it provides
|
|
* implicit conversion functions that might be useful to initialize it with
|
|
* Python functions those returns owning references through the `PyObject**`
|
|
* e.g. `PyErr_Fetch` or directly pass it to functions those want to borrow
|
|
* reference to object (doesn't extend object lifetime) e.g. `PyObject_Str`.
|
|
*/
|
|
class PySafeObject
|
|
{
|
|
public:
|
|
PySafeObject() : obj_(NULL) {}
|
|
|
|
explicit PySafeObject(PyObject* obj) : obj_(obj) {}
|
|
|
|
~PySafeObject()
|
|
{
|
|
Py_CLEAR(obj_);
|
|
}
|
|
|
|
operator PyObject*()
|
|
{
|
|
return obj_;
|
|
}
|
|
|
|
operator PyObject**()
|
|
{
|
|
return &obj_;
|
|
}
|
|
|
|
PyObject* release()
|
|
{
|
|
PyObject* obj = obj_;
|
|
obj_ = NULL;
|
|
return obj;
|
|
}
|
|
|
|
private:
|
|
PyObject* obj_;
|
|
|
|
// Explicitly disable copy operations
|
|
PySafeObject(const PySafeObject*); // = delete
|
|
PySafeObject& operator=(const PySafeObject&); // = delete
|
|
};
|
|
|
|
//======================================================================================================================
|
|
|
|
extern PyObject* opencv_error;
|
|
|
|
void pyRaiseCVException(const cv::Exception &e);
|
|
|
|
#define ERRWRAP2(expr) \
|
|
try \
|
|
{ \
|
|
PyAllowThreads allowThreads; \
|
|
expr; \
|
|
} \
|
|
catch (const cv::Exception &e) \
|
|
{ \
|
|
pyRaiseCVException(e); \
|
|
return 0; \
|
|
} \
|
|
catch (const std::exception &e) \
|
|
{ \
|
|
PyErr_SetString(opencv_error, e.what()); \
|
|
return 0; \
|
|
} \
|
|
catch (...) \
|
|
{ \
|
|
PyErr_SetString(opencv_error, "Unknown C++ exception from OpenCV code"); \
|
|
return 0; \
|
|
}
|
|
|
|
//======================================================================================================================
|
|
|
|
extern cv::TLSData<std::vector<std::string> > conversionErrorsTLS;
|
|
|
|
inline void pyPrepareArgumentConversionErrorsStorage(std::size_t size)
|
|
{
|
|
std::vector<std::string>& conversionErrors = conversionErrorsTLS.getRef();
|
|
conversionErrors.clear();
|
|
conversionErrors.reserve(size);
|
|
}
|
|
|
|
void pyRaiseCVOverloadException(const std::string& functionName);
|
|
void pyPopulateArgumentConversionErrors();
|
|
|
|
//======================================================================================================================
|
|
|
|
PyObject *pycvRedirectError(PyObject*, PyObject *args, PyObject *kw);
|
|
|
|
#endif // CV2_UTIL_HPP
|