text: #ifndef __python_internal_h__
  #define __python_internal_h__ 1
  /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  #include <Python.h>
  
  #include "qpid/dispatch/message.h"
  
  #include <stdint.h>
  
  #if PY_MAJOR_VERSION <= 2
  // deal with the two integer types in Python2
  #define QD_PY_INT_CHECK(PO) (PyInt_Check(PO) || PyLong_Check(PO))
  #define QD_PY_INT_2_INT64(PO) (PyLong_Check(PO) ? \
                                 (int64_t) PyLong_AsLongLong(PO) : \
                                 (int64_t) PyInt_AS_LONG(PO))
  #else  // Python3
  #define QD_PY_INT_CHECK(PO) (PyLong_Check(PO))
  #define QD_PY_INT_2_INT64(PO) ((int64_t)PyLong_AsLongLong(PO))
  #endif
  
  // Convert a Python string type to a C string.  The resulting string may be
  // UTF-8 encoded.  Caller must free returned string buffer.  Returns NULL on
  // failure
  char *py_string_2_c(PyObject *py_str);
  
  // Convert the string representation of an arbitrary Python type object to a
  // null terminated C string.  Equivalent to calling 'str(o)' in Python.  The
  // resulting string may be UTF-8 encoded. Caller must free the returned string
  // buffer.
  char *py_obj_2_c_string(PyObject *py_obj);
  
  void qd_json_msgs_init(PyObject **msgs);
  void qd_json_msgs_done(PyObject *msgs);
  void qd_json_msgs_append(PyObject *msgs, qd_message_t *msg);
  char *qd_json_msgs_string(PyObject *msgs);
  
  #endif
  