text: /* -------------------------------------------------------------------------
   *
   * plpython.h - Python as a procedural language for PostgreSQL
   *
   * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
   * Portions Copyright (c) 1994, Regents of the University of California
   *
   * src/pl/plpython/plpython.h
   *
   * -------------------------------------------------------------------------
   */
  #ifndef PLPYTHON_H
  #define PLPYTHON_H
  
  /*
   * Include order should be: postgres.h, other postgres headers, plpython.h,
   * other plpython headers
   */
  #ifndef POSTGRES_H
  #error postgres.h must be included before plpython.h
  #endif
  
  /*
   * Undefine some things that get (re)defined in the Python headers. They aren't
   * used by the PL/Python code, and all PostgreSQL headers should be included
   * earlier, so this should be pretty safe.
   */
  #undef _POSIX_C_SOURCE
  #undef _XOPEN_SOURCE
  #undef HAVE_STRERROR
  #undef HAVE_TZNAME
  
  /*
   * Sometimes python carefully scribbles on our *printf macros.
   * So we undefine them here and redefine them after it's done its dirty deed.
   */
  
  #ifdef USE_REPL_SNPRINTF
  #undef snprintf
  #undef vsnprintf
  #endif
  
  #if defined(_MSC_VER) && defined(_DEBUG)
  /* Python uses #pragma to bring in a non-default libpython on VC++ if
   * _DEBUG is defined */
  #undef _DEBUG
  /* Also hide away errcode, since we load Python.h before postgres.h */
  #define errcode __msvc_errcode
  #include <Python.h>
  #undef errcode
  #define _DEBUG
  #elif defined(_MSC_VER)
  #define errcode __msvc_errcode
  #include <Python.h>
  #undef errcode
  #else
  #include <Python.h>
  #endif
  
  /*
   * Py_ssize_t compat for Python <= 2.4
   */
  #if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
  typedef int Py_ssize_t;
  
  #define PY_SSIZE_T_MAX INT_MAX
  #define PY_SSIZE_T_MIN INT_MIN
  #endif
  
  /*
   * Python 2/3 strings/unicode/bytes handling.  Python 2 has strings
   * and unicode, Python 3 has strings, which are unicode on the C
   * level, and bytes.  The porting convention, which is similarly used
   * in Python 2.6, is that "Unicode" is always unicode, and "Bytes" are
   * bytes in Python 3 and strings in Python 2.  Since we keep
   * supporting Python 2 and its usual strings, we provide a
   * compatibility layer for Python 3 that when asked to convert a C
   * string to a Python string it converts the C string from the
   * PostgreSQL server encoding to a Python Unicode object.
   */
  
  #if PY_VERSION_HEX < 0x02060000
  /* This is exactly the compatibility layer that Python 2.6 uses. */
  #define PyBytes_AsString PyString_AsString
  #define PyBytes_FromStringAndSize PyString_FromStringAndSize
  #define PyBytes_Size PyString_Size
  #define PyObject_Bytes PyObject_Str
  #endif
  
  #if PY_MAJOR_VERSION >= 3
  #define PyString_Check(x) 0
  #define PyString_AsString(x) PLyUnicode_AsString(x)
  #define PyString_FromString(x) PLyUnicode_FromString(x)
  #endif
  
  /*
   * Python 3 only has long.
   */
  #if PY_MAJOR_VERSION >= 3
  #define PyInt_FromLong(x) PyLong_FromLong(x)
  #define PyInt_AsLong(x) PyLong_AsLong(x)
  #endif
  
  /*
   * PyVarObject_HEAD_INIT was added in Python 2.6.  Its use is
   * necessary to handle both Python 2 and 3.  This replacement
   * definition is for Python <=2.5
   */
  #ifndef PyVarObject_HEAD_INIT
  #define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size,
  #endif
  
  /* Python 3 removed the Py_TPFLAGS_HAVE_ITER flag */
  #if PY_MAJOR_VERSION >= 3
  #define Py_TPFLAGS_HAVE_ITER 0
  #endif
  
  /* define our text domain for translations */
  #undef TEXTDOMAIN
  #define TEXTDOMAIN PG_TEXTDOMAIN("plpython")
  
  #include <compile.h>
  #include <eval.h>
  
  /* put back our snprintf and vsnprintf */
  #ifdef USE_REPL_SNPRINTF
  #ifdef snprintf
  #undef snprintf
  #endif
  #ifdef vsnprintf
  #undef vsnprintf
  #endif
  #ifdef __GNUC__
  #define vsnprintf(...) pg_vsnprintf(__VA_ARGS__)
  #define snprintf(...) pg_snprintf(__VA_ARGS__)
  #else
  #define vsnprintf pg_vsnprintf
  #define snprintf pg_snprintf
  #endif /* __GNUC__ */
  #endif /* USE_REPL_SNPRINTF */
  
  /*
   * Used throughout, and also by the Python 2/3 porting layer, so it's easier to
   * just include it everywhere.
   */
  #include "plpy_util.h"
  
  #endif /* PLPYTHON_H */
  