larcv::convert Namespace Reference

C++ namespace for a collection of Python<=>LArOpenCV C++ object conversion functions/classes. More...

Classes
class	PyAllowThreads
class	PyEnsureGIL
class	NumpyAllocator
class	NDArrayConverter

Enumerations
enum	{ ARG_NONE = 0, ARG_MAT = 1, ARG_SCALAR = 2 }

Functions
static int	failmsg (const char *fmt,...)
static int	failmsg (const char *fmt,...)
static PyObject *	pyObjectFromRefcount (const int *refcount)
static int *	refcountFromPyObject (const PyObject *obj)

Variables
NumpyAllocator	g_numpyAllocator
static size_t	REFCOUNT_OFFSET

Detailed Description

C++ namespace for a collection of Python<=>LArOpenCV C++ object conversion functions/classes.

Enumeration Type Documentation

anonymous enum

Enumerator
ARG_NONE
ARG_MAT
ARG_SCALAR

Definition at line 63 of file NDArrayConverter.h.

{ ARG_NONE = 0, ARG_MAT = 1, ARG_SCALAR = 2 };

Function Documentation

static int larcv::convert::failmsg ( const char *  fmt,   ...  )

static

Definition at line 24 of file NDArrayConverter.cxx.

Referenced by larcv::convert::NDArrayConverter::toMat().

    {
      char str[1000];
      
      va_list ap;
      va_start(ap, fmt);
      vsnprintf(str, sizeof(str), fmt, ap);
      va_end(ap);
      
      PyErr_SetString(PyExc_TypeError, str);
      return 0;
    }

static int larcv::convert::failmsg ( const char *  fmt,   ...  )

static

static PyObject* larcv::convert::pyObjectFromRefcount ( const int *  refcount)

inlinestatic

Definition at line 50 of file NDArrayConverter.h.

References REFCOUNT_OFFSET.

Referenced by larcv::convert::NDArrayConverter::toNDArray().

    {
      return (PyObject*)((size_t)refcount - REFCOUNT_OFFSET);
    }

static int* larcv::convert::refcountFromPyObject ( const PyObject *  obj)

inlinestatic

Definition at line 55 of file NDArrayConverter.h.

References REFCOUNT_OFFSET.

Referenced by larcv::convert::NDArrayConverter::toMat().

    {
      return (int*)((size_t)obj + REFCOUNT_OFFSET);
    }

Variable Documentation

NumpyAllocator larcv::convert::g_numpyAllocator

Definition at line 198 of file NDArrayConverter.cxx.

Referenced by larcv::convert::NDArrayConverter::toMat(), and larcv::convert::NDArrayConverter::toNDArray().

size_t larcv::convert::REFCOUNT_OFFSET

static

Initial value:

= (size_t)&(((PyObject*)0)->ob_refcnt) +
      (0x12345678 != *(const size_t*)"\x78\x56\x34\x12\0\0\0\0\0")*sizeof(int)

Definition at line 47 of file NDArrayConverter.h.

Referenced by pyObjectFromRefcount(), and refcountFromPyObject().