1 files changed, 138 insertions, 0 deletions
diff --git a/src/pl/plpython/plpython.h b/src/pl/plpython/plpython.h
new file mode 100644
index 0000000..ae1275a
--- /dev/null
+++ b/src/pl/plpython/plpython.h
@@ -0,0 +1,138 @@
+/*-------------------------------------------------------------------------
+ *
+ * plpython.h - Python as a procedural language for PostgreSQL
+ *
+ * Portions Copyright (c) 1996-2021, 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.  (In practice, other plpython headers will also
+ * include this file, so that they can compile standalone.)
+ */
+#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
+
+/*
+ * Sometimes python carefully scribbles on our *printf macros.
+ * So we undefine them here and redefine them after it's done its dirty deed.
+ */
+#undef vsnprintf
+#undef snprintf
+#undef vsprintf
+#undef sprintf
+#undef vfprintf
+#undef fprintf
+#undef vprintf
+#undef printf
+
+#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
+
+/*
+ * 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_MAJOR_VERSION >= 3
+#define PyString_Check(x) 0
+#define PyString_AsString(x) PLyUnicode_AsString(x)
+#define PyString_FromString(x) PLyUnicode_FromString(x)
+#define PyString_FromStringAndSize(x, size) PLyUnicode_FromStringAndSize(x, size)
+#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
+
+/* 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")
+
+/* put back our *printf macros ... this must match src/include/port.h */
+#ifdef vsnprintf
+#undef vsnprintf
+#endif
+#ifdef snprintf
+#undef snprintf
+#endif
+#ifdef vsprintf
+#undef vsprintf
+#endif
+#ifdef sprintf
+#undef sprintf
+#endif
+#ifdef vfprintf
+#undef vfprintf
+#endif
+#ifdef fprintf
+#undef fprintf
+#endif
+#ifdef vprintf
+#undef vprintf
+#endif
+#ifdef printf
+#undef printf
+#endif
+
+#define vsnprintf		pg_vsnprintf
+#define snprintf		pg_snprintf
+#define vsprintf		pg_vsprintf
+#define sprintf			pg_sprintf
+#define vfprintf		pg_vfprintf
+#define fprintf			pg_fprintf
+#define vprintf			pg_vprintf
+#define printf(...)		pg_printf(__VA_ARGS__)
+
+/*
+ * 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 */