PyzCppHelpers.hxx File Reference

#include "CPyCppyy.h"
#include "CPPInstance.h"
#include "TClass.h"
#include "ROOT/RConfig.hxx"
#include <string>

Include dependency graph for PyzCppHelpers.hxx:

This graph shows which files directly or indirectly include this file:

Functions
PyObject *	BoolNot (PyObject *value)
PyObject *	CallPyObjMethod (PyObject *obj, const char *meth)
	Set of helper functions that are invoked from the C++ implementation of pythonizations.
PyObject *	CallPyObjMethod (PyObject *obj, const char *meth, PyObject *arg1)
bool	CheckEndianessFromTypestr (const std::string &typestr)
	Check whether endianess in type string matches the endianess of ROOT.
PyObject *	GetArrayInterface (PyObject *obj)
	Get Numpy array interface and perform error handling.
std::string	GetCppTypeFromNumpyType (const std::string &dtype)
	Convert Numpy data-type string to the according C++ data-type string.
unsigned long long	GetDataPointerFromArrayInterface (PyObject *obj)
	Get data pointer from Numpy array interface and perform error handling.
unsigned int	GetDatatypeSizeFromTypestr (const std::string &typestr)
	Get size of data type in bytes from Numpy type string.
TClass *	GetTClass (const CPyCppyy::CPPInstance *pyobj)
std::string	GetTypestrFromArrayInterface (PyObject *obj)
	Get type string from Numpy array interface and perform error handling.

Function Documentation

BoolNot()

PyObject * BoolNot

(

PyObject *

value

)

Definition at line 32 of file PyzCppHelpers.cxx.

CallPyObjMethod() [1/2]

PyObject * CallPyObjMethod	(	PyObject *	obj,
		const char *	meth
	)

Set of helper functions that are invoked from the C++ implementation of pythonizations.

Definition at line 20 of file PyzCppHelpers.cxx.

CallPyObjMethod() [2/2]

PyObject * CallPyObjMethod	(	PyObject *	obj,
		const char *	meth,
		PyObject *	arg1
	)

Definition at line 26 of file PyzCppHelpers.cxx.

CheckEndianessFromTypestr()

bool CheckEndianessFromTypestr

(

const std::string &

typestr

)

Check whether endianess in type string matches the endianess of ROOT.

Parameters

[in]

typestr

Numpy type string

Returns

Boolean indicating whether they match

Definition at line 142 of file PyzCppHelpers.cxx.

GetArrayInterface()

PyObject * GetArrayInterface

(

PyObject *

obj

)

Get Numpy array interface and perform error handling.

Parameters

[in]

obj

PyObject with array interface dictionary

Returns

Array interface dictionary

Definition at line 78 of file PyzCppHelpers.cxx.

GetCppTypeFromNumpyType()

std::string GetCppTypeFromNumpyType

(

const std::string &

dtype

)

Convert Numpy data-type string to the according C++ data-type string.

Parameters

[in]

dtype

Numpy data-type string

Returns

C++ data-type string

If the input data-tyep is not known, the function returns an empty string.

Definition at line 55 of file PyzCppHelpers.cxx.

GetDataPointerFromArrayInterface()

unsigned long long GetDataPointerFromArrayInterface

(

PyObject *

obj

)

Get data pointer from Numpy array interface and perform error handling.

Parameters

[in]

obj

Array interface dictionary

Returns

Data pointer

Definition at line 96 of file PyzCppHelpers.cxx.

GetDatatypeSizeFromTypestr()

unsigned int GetDatatypeSizeFromTypestr

(

const std::string &

typestr

)

Get size of data type in bytes from Numpy type string.

Parameters

[in]

typestr

Numpy type string

Returns

Size in bytes

Definition at line 131 of file PyzCppHelpers.cxx.

GetTClass()

TClass * GetTClass

(

const CPyCppyy::CPPInstance *

pyobj

)

Definition at line 44 of file PyzCppHelpers.cxx.

GetTypestrFromArrayInterface()

std::string GetTypestrFromArrayInterface

(

PyObject *

obj

)

Get type string from Numpy array interface and perform error handling.

Parameters

[in]

obj

Array interface dictionary

Returns

Type string

Definition at line 110 of file PyzCppHelpers.cxx.