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python: force using of ArgInfo

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This commit is contained in:
Alexander Alekhin
2019-11-15 17:29:51 +03:00
parent 1f57eb93fd
commit 7ec91aefc1
7 changed files with 121 additions and 182 deletions
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modules/python/src2/cv2.cpp
+91 -146
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@@ -34,15 +34,31 @@
#include "pycompat.hpp"
#include <map>
class ArgInfo
{
public:
const char * name;
bool outputarg;
// more fields may be added if necessary
ArgInfo(const char * name_, bool outputarg_)
: name(name_)
, outputarg(outputarg_) {}
private:
ArgInfo(const ArgInfo&); // = delete
ArgInfo& operator=(const ArgInfo&); // = delete
};
template<typename T, class TEnable = void> // TEnable is used for SFINAE checks
struct PyOpenCV_Converter
{
//static inline bool to(PyObject* obj, T& p, const char* name);
//static inline bool to(PyObject* obj, T& p, const ArgInfo& info);
//static inline PyObject* from(const T& src);
};
template<typename T> static
bool pyopencv_to(PyObject* obj, T& p, const char* name = "<unknown>") { return PyOpenCV_Converter<T>::to(obj, p, name); }
bool pyopencv_to(PyObject* obj, T& p, const ArgInfo& info) { return PyOpenCV_Converter<T>::to(obj, p, info); }
template<typename T> static
PyObject* pyopencv_from(const T& src) { return PyOpenCV_Converter<T>::from(src); }
@@ -62,20 +78,6 @@ static int failmsg(const char *fmt, ...)
return 0;
}
struct ArgInfo
{
const char * name;
bool outputarg;
// more fields may be added if necessary
ArgInfo(const char * name_, bool outputarg_)
: name(name_)
, outputarg(outputarg_) {}
// to match with older pyopencv_to function signature
operator const char *() const { return name; }
};
class PyAllowThreads
{
public:
@@ -243,7 +245,7 @@ NumpyAllocator g_numpyAllocator;
enum { ARG_NONE = 0, ARG_MAT = 1, ARG_SCALAR = 2 };
// special case, when the converter needs full ArgInfo structure
static bool pyopencv_to(PyObject* o, Mat& m, const ArgInfo info)
static bool pyopencv_to(PyObject* o, Mat& m, const ArgInfo& info)
{
bool allowND = true;
if(!o || o == Py_None)
@@ -422,14 +424,8 @@ static bool pyopencv_to(PyObject* o, Mat& m, const ArgInfo info)
return true;
}
template<>
bool pyopencv_to(PyObject* o, Mat& m, const char* name)
{
return pyopencv_to(o, m, ArgInfo(name, 0));
}
template<typename _Tp, int m, int n>
bool pyopencv_to(PyObject* o, Matx<_Tp, m, n>& mx, const ArgInfo info)
bool pyopencv_to(PyObject* o, Matx<_Tp, m, n>& mx, const ArgInfo& info)
{
Mat tmp;
if (!pyopencv_to(o, tmp, info)) {
@@ -440,10 +436,10 @@ bool pyopencv_to(PyObject* o, Matx<_Tp, m, n>& mx, const ArgInfo info)
return true;
}
template<typename _Tp, int m, int n>
bool pyopencv_to(PyObject* o, Matx<_Tp, m, n>& mx, const char* name)
template<typename _Tp, int cn>
bool pyopencv_to(PyObject* o, Vec<_Tp, cn>& vec, const ArgInfo& info)
{
return pyopencv_to(o, mx, ArgInfo(name, 0));
return pyopencv_to(o, (Matx<_Tp, cn, 1>&)vec, info);
}
template<>
@@ -478,19 +474,19 @@ struct PyOpenCV_Converter< cv::Ptr<T> >
Py_RETURN_NONE;
return pyopencv_from(*p);
}
static bool to(PyObject *o, Ptr<T>& p, const char *name)
static bool to(PyObject *o, Ptr<T>& p, const ArgInfo& info)
{
if (!o || o == Py_None)
return true;
p = makePtr<T>();
return pyopencv_to(o, *p, name);
return pyopencv_to(o, *p, info);
}
};
template<>
bool pyopencv_to(PyObject* obj, void*& ptr, const char* name)
bool pyopencv_to(PyObject* obj, void*& ptr, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if (!obj || obj == Py_None)
return true;
@@ -512,7 +508,7 @@ struct SafeSeqItem
~SafeSeqItem() { Py_XDECREF(item); }
};
static bool pyopencv_to(PyObject *o, Scalar& s, const ArgInfo info)
static bool pyopencv_to(PyObject *o, Scalar& s, const ArgInfo& info)
{
if(!o || o == Py_None)
return true;
@@ -543,12 +539,6 @@ static bool pyopencv_to(PyObject *o, Scalar& s, const ArgInfo info)
return true;
}
template<>
bool pyopencv_to(PyObject *o, Scalar& s, const char *name)
{
return pyopencv_to(o, s, ArgInfo(name, 0));
}
template<>
PyObject* pyopencv_from(const Scalar& src)
{
@@ -562,9 +552,9 @@ PyObject* pyopencv_from(const bool& value)
}
template<>
bool pyopencv_to(PyObject* obj, bool& value, const char* name)
bool pyopencv_to(PyObject* obj, bool& value, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
int _val = PyObject_IsTrue(obj);
@@ -581,9 +571,9 @@ PyObject* pyopencv_from(const size_t& value)
}
template<>
bool pyopencv_to(PyObject* obj, size_t& value, const char* name)
bool pyopencv_to(PyObject* obj, size_t& value, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
value = (int)PyLong_AsUnsignedLong(obj);
@@ -597,9 +587,9 @@ PyObject* pyopencv_from(const int& value)
}
template<>
bool pyopencv_to(PyObject* obj, int& value, const char* name)
bool pyopencv_to(PyObject* obj, int& value, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
if(PyInt_Check(obj))
@@ -618,9 +608,9 @@ PyObject* pyopencv_from(const uchar& value)
}
template<>
bool pyopencv_to(PyObject* obj, uchar& value, const char* name)
bool pyopencv_to(PyObject* obj, uchar& value, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
int ivalue = (int)PyInt_AsLong(obj);
@@ -635,9 +625,9 @@ PyObject* pyopencv_from(const double& value)
}
template<>
bool pyopencv_to(PyObject* obj, double& value, const char* name)
bool pyopencv_to(PyObject* obj, double& value, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
if(!!PyInt_CheckExact(obj))
@@ -654,9 +644,9 @@ PyObject* pyopencv_from(const float& value)
}
template<>
bool pyopencv_to(PyObject* obj, float& value, const char* name)
bool pyopencv_to(PyObject* obj, float& value, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
if(!!PyInt_CheckExact(obj))
@@ -679,9 +669,9 @@ PyObject* pyopencv_from(const String& value)
}
template<>
bool pyopencv_to(PyObject* obj, String &value, const char* name)
bool pyopencv_to(PyObject* obj, String &value, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
std::string str;
@@ -694,9 +684,9 @@ bool pyopencv_to(PyObject* obj, String &value, const char* name)
}
template<>
bool pyopencv_to(PyObject* obj, Size& sz, const char* name)
bool pyopencv_to(PyObject* obj, Size& sz, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
return PyArg_ParseTuple(obj, "ii", &sz.width, &sz.height) > 0;
@@ -709,9 +699,9 @@ PyObject* pyopencv_from(const Size& sz)
}
template<>
bool pyopencv_to(PyObject* obj, Size_<float>& sz, const char* name)
bool pyopencv_to(PyObject* obj, Size_<float>& sz, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
return PyArg_ParseTuple(obj, "ff", &sz.width, &sz.height) > 0;
@@ -724,9 +714,9 @@ PyObject* pyopencv_from(const Size_<float>& sz)
}
template<>
bool pyopencv_to(PyObject* obj, Rect& r, const char* name)
bool pyopencv_to(PyObject* obj, Rect& r, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
return PyArg_ParseTuple(obj, "iiii", &r.x, &r.y, &r.width, &r.height) > 0;
@@ -739,9 +729,9 @@ PyObject* pyopencv_from(const Rect& r)
}
template<>
bool pyopencv_to(PyObject* obj, Rect2d& r, const char* name)
bool pyopencv_to(PyObject* obj, Rect2d& r, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
return PyArg_ParseTuple(obj, "dddd", &r.x, &r.y, &r.width, &r.height) > 0;
@@ -754,16 +744,16 @@ PyObject* pyopencv_from(const Rect2d& r)
}
template<>
bool pyopencv_to(PyObject* obj, Range& r, const char* name)
bool pyopencv_to(PyObject* obj, Range& r, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
while (PySequence_Check(obj))
{
if (2 != PySequence_Size(obj))
{
failmsg("Range value for argument '%s' is longer than 2", name);
failmsg("Range value for argument '%s' is longer than 2", info.name);
return false;
}
{
@@ -772,7 +762,7 @@ bool pyopencv_to(PyObject* obj, Range& r, const char* name)
if (PyInt_Check(item)) {
r.start = (int)PyInt_AsLong(item);
} else {
failmsg("Range.start value for argument '%s' is not integer", name);
failmsg("Range.start value for argument '%s' is not integer", info.name);
break;
}
}
@@ -782,7 +772,7 @@ bool pyopencv_to(PyObject* obj, Range& r, const char* name)
if (PyInt_Check(item)) {
r.end = (int)PyInt_AsLong(item);
} else {
failmsg("Range.end value for argument '%s' is not integer", name);
failmsg("Range.end value for argument '%s' is not integer", info.name);
break;
}
}
@@ -803,9 +793,9 @@ PyObject* pyopencv_from(const Range& r)
}
template<>
bool pyopencv_to(PyObject* obj, Point& p, const char* name)
bool pyopencv_to(PyObject* obj, Point& p, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
if(PyComplex_Check(obj))
@@ -818,9 +808,9 @@ bool pyopencv_to(PyObject* obj, Point& p, const char* name)
}
template<>
bool pyopencv_to(PyObject* obj, Point2f& p, const char* name)
bool pyopencv_to(PyObject* obj, Point2f& p, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
if (PyComplex_Check(obj))
@@ -833,9 +823,9 @@ bool pyopencv_to(PyObject* obj, Point2f& p, const char* name)
}
template<>
bool pyopencv_to(PyObject* obj, Point2d& p, const char* name)
bool pyopencv_to(PyObject* obj, Point2d& p, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
if(PyComplex_Check(obj))
@@ -848,18 +838,18 @@ bool pyopencv_to(PyObject* obj, Point2d& p, const char* name)
}
template<>
bool pyopencv_to(PyObject* obj, Point3f& p, const char* name)
bool pyopencv_to(PyObject* obj, Point3f& p, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
return PyArg_ParseTuple(obj, "fff", &p.x, &p.y, &p.z) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Point3d& p, const char* name)
bool pyopencv_to(PyObject* obj, Point3d& p, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj || obj == Py_None)
return true;
return PyArg_ParseTuple(obj, "ddd", &p.x, &p.y, &p.z) > 0;
@@ -883,122 +873,77 @@ PyObject* pyopencv_from(const Point3f& p)
return Py_BuildValue("(ddd)", p.x, p.y, p.z);
}
static bool pyopencv_to(PyObject* obj, Vec4d& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec4d& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "dddd", &v[0], &v[1], &v[2], &v[3]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec4d& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec4f& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec4f& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "ffff", &v[0], &v[1], &v[2], &v[3]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec4f& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec4i& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec4i& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "iiii", &v[0], &v[1], &v[2], &v[3]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec4i& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec3d& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec3d& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "ddd", &v[0], &v[1], &v[2]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec3d& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec3f& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec3f& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "fff", &v[0], &v[1], &v[2]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec3f& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec3i& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec3i& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "iii", &v[0], &v[1], &v[2]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec3i& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec2d& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec2d& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "dd", &v[0], &v[1]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec2d& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec2f& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec2f& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "ff", &v[0], &v[1]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec2f& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
static bool pyopencv_to(PyObject* obj, Vec2i& v, ArgInfo info)
static bool pyopencv_to(PyObject* obj, Vec2i& v, ArgInfo& info)
{
CV_UNUSED(info);
if (!obj)
return true;
return PyArg_ParseTuple(obj, "ii", &v[0], &v[1]) > 0;
}
template<>
bool pyopencv_to(PyObject* obj, Vec2i& v, const char* name)
{
return pyopencv_to(obj, v, ArgInfo(name, 0));
}
template<>
PyObject* pyopencv_from(const Vec4d& v)
@@ -1101,7 +1046,7 @@ template<typename _Tp> struct pyopencvVecConverter
}
return true;
}
static bool to(PyObject* obj, std::vector<_Tp>& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<_Tp>& value, const ArgInfo& info)
{
if(!obj || obj == Py_None)
return true;
@@ -1181,7 +1126,7 @@ template<typename _Tp> struct pyopencvVecConverter
};
template<typename _Tp>
bool pyopencv_to(PyObject* obj, std::vector<_Tp>& value, const ArgInfo info)
bool pyopencv_to(PyObject* obj, std::vector<_Tp>& value, const ArgInfo& info)
{
return pyopencvVecConverter<_Tp>::to(obj, value, info);
}
@@ -1192,7 +1137,7 @@ PyObject* pyopencv_from(const std::vector<_Tp>& value)
return pyopencvVecConverter<_Tp>::from(value);
}
template<typename _Tp> static inline bool pyopencv_to_generic_vec(PyObject* obj, std::vector<_Tp>& value, const ArgInfo info)
template<typename _Tp> static inline bool pyopencv_to_generic_vec(PyObject* obj, std::vector<_Tp>& value, const ArgInfo& info)
{
if(!obj || obj == Py_None)
return true;
@@ -1236,7 +1181,7 @@ PyObject* pyopencv_from(const std::pair<int, double>& src)
template<typename _Tp, typename _Tr> struct pyopencvVecConverter<std::pair<_Tp, _Tr> >
{
static bool to(PyObject* obj, std::vector<std::pair<_Tp, _Tr> >& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<std::pair<_Tp, _Tr> >& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1249,7 +1194,7 @@ template<typename _Tp, typename _Tr> struct pyopencvVecConverter<std::pair<_Tp,
template<typename _Tp> struct pyopencvVecConverter<std::vector<_Tp> >
{
static bool to(PyObject* obj, std::vector<std::vector<_Tp> >& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<std::vector<_Tp> >& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1262,7 +1207,7 @@ template<typename _Tp> struct pyopencvVecConverter<std::vector<_Tp> >
template<> struct pyopencvVecConverter<Mat>
{
static bool to(PyObject* obj, std::vector<Mat>& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<Mat>& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1275,7 +1220,7 @@ template<> struct pyopencvVecConverter<Mat>
template<> struct pyopencvVecConverter<UMat>
{
static bool to(PyObject* obj, std::vector<UMat>& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<UMat>& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1288,7 +1233,7 @@ template<> struct pyopencvVecConverter<UMat>
template<> struct pyopencvVecConverter<KeyPoint>
{
static bool to(PyObject* obj, std::vector<KeyPoint>& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<KeyPoint>& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1301,7 +1246,7 @@ template<> struct pyopencvVecConverter<KeyPoint>
template<> struct pyopencvVecConverter<DMatch>
{
static bool to(PyObject* obj, std::vector<DMatch>& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<DMatch>& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1314,7 +1259,7 @@ template<> struct pyopencvVecConverter<DMatch>
template<> struct pyopencvVecConverter<String>
{
static bool to(PyObject* obj, std::vector<String>& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<String>& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1327,7 +1272,7 @@ template<> struct pyopencvVecConverter<String>
template<> struct pyopencvVecConverter<RotatedRect>
{
static bool to(PyObject* obj, std::vector<RotatedRect>& value, const ArgInfo info)
static bool to(PyObject* obj, std::vector<RotatedRect>& value, const ArgInfo& info)
{
return pyopencv_to_generic_vec(obj, value, info);
}
@@ -1338,9 +1283,9 @@ template<> struct pyopencvVecConverter<RotatedRect>
};
template<>
bool pyopencv_to(PyObject *obj, TermCriteria& dst, const char *name)
bool pyopencv_to(PyObject *obj, TermCriteria& dst, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj)
return true;
return PyArg_ParseTuple(obj, "iid", &dst.type, &dst.maxCount, &dst.epsilon) > 0;
@@ -1353,9 +1298,9 @@ PyObject* pyopencv_from(const TermCriteria& src)
}
template<>
bool pyopencv_to(PyObject *obj, RotatedRect& dst, const char *name)
bool pyopencv_to(PyObject *obj, RotatedRect& dst, const ArgInfo& info)
{
CV_UNUSED(name);
CV_UNUSED(info);
if(!obj)
return true;
return PyArg_ParseTuple(obj, "(ff)(ff)f", &dst.center.x, &dst.center.y, &dst.size.width, &dst.size.height, &dst.angle) > 0;
@@ -1595,7 +1540,7 @@ static PyObject *pycvCreateButton(PyObject*, PyObject *args, PyObject *kw)
///////////////////////////////////////////////////////////////////////////////////////
static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
static int convert_to_char(PyObject *o, char *dst, const ArgInfo& info)
{
std::string str;
if (getUnicodeString(o, str))
@@ -1604,7 +1549,7 @@ static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
return 1;
}
(*dst) = 0;
return failmsg("Expected single character string for argument '%s'", name);
return failmsg("Expected single character string for argument '%s'", info.name);
}
#ifdef __GNUC__