protobuf/python/google/protobuf/pyext/message_module.cc

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// in the documentation and/or other materials provided with the
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#include <google/protobuf/pyext/message.h>

static const char module_docstring[] =
"python-proto2 is a module that can be used to enhance proto2 Python API\n"
"performance.\n"
"\n"
"It provides access to the protocol buffers C++ reflection API that\n"
"implements the basic protocol buffer functions.";

static PyMethodDef ModuleMethods[] = {
  {"SetAllowOversizeProtos",
    (PyCFunction)google::protobuf::python::cmessage::SetAllowOversizeProtos,
    METH_O, "Enable/disable oversize proto parsing."},
  { NULL, NULL}
};

#if PY_MAJOR_VERSION >= 3
static struct PyModuleDef _module = {
  PyModuleDef_HEAD_INIT,
  "_message",
  module_docstring,
  -1,
  ModuleMethods,  /* m_methods */
  NULL,
  NULL,
  NULL,
  NULL
};
#define INITFUNC PyInit__message
#define INITFUNC_ERRORVAL NULL
#else  // Python 2
#define INITFUNC init_message
#define INITFUNC_ERRORVAL
#endif

extern "C" {
  PyMODINIT_FUNC INITFUNC(void) {
    PyObject* m;
#if PY_MAJOR_VERSION >= 3
    m = PyModule_Create(&_module);
#else
    m = Py_InitModule3("_message", ModuleMethods,
                       module_docstring);
#endif
    if (m == NULL) {
      return INITFUNC_ERRORVAL;
    }

    if (!google::protobuf::python::InitProto2MessageModule(m)) {
      Py_DECREF(m);
      return INITFUNC_ERRORVAL;
    }

#if PY_MAJOR_VERSION >= 3
    return m;
#endif
  }
}