Function UnboxIntegerAsInt64

python/pyarrow/src/arrow/python/helpers.cc:445–480

}

Status UnboxIntegerAsInt64(PyObject* obj, int64_t* out) {
  if (PyLong_Check(obj)) {
    int overflow = 0;
    *out = PyLong_AsLongLongAndOverflow(obj, &overflow);
    if (overflow) {
      return Status::Invalid("PyLong is too large to fit int64");
    }
  } else if (PyArray_IsScalar(obj, Byte)) {
    *out = reinterpret_cast<PyByteScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, UByte)) {
    *out = reinterpret_cast<PyUByteScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, Short)) {
    *out = reinterpret_cast<PyShortScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, UShort)) {
    *out = reinterpret_cast<PyUShortScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, Int)) {
    *out = reinterpret_cast<PyIntScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, UInt)) {
    *out = reinterpret_cast<PyUIntScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, Long)) {
    *out = reinterpret_cast<PyLongScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, ULong)) {
    *out = reinterpret_cast<PyULongScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, LongLong)) {
    *out = reinterpret_cast<PyLongLongScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, Int64)) {
    *out = reinterpret_cast<PyInt64ScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, ULongLong)) {
    *out = reinterpret_cast<PyULongLongScalarObject*>(obj)->obval;
  } else if (PyArray_IsScalar(obj, UInt64)) {
    *out = reinterpret_cast<PyUInt64ScalarObject*>(obj)->obval;
  } else {
    return Status::Invalid("Integer scalar type not recognized");
  }
  return Status::OK();
}

Status IntegerScalarToDoubleSafe(PyObject* obj, double* out) {
  int64_t value = 0;