Include Python.h first (#59929)

Author: cdce8p

pandas/_libs/include/pandas/datetime/date_conversions.h

@@ -9,6 +9,7 @@ The full license is in the LICENSE file, distributed with this software.
 
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
+
 #include <numpy/ndarraytypes.h>
 
 // Scales value inplace from nanosecond resolution to unit resolution

pandas/_libs/include/pandas/parser/io.h

@@ -10,9 +10,10 @@ The full license is in the LICENSE file, distributed with this software.
 #pragma once
 
 #define PY_SSIZE_T_CLEAN
-#include "tokenizer.h"
 #include <Python.h>
 
+#include "tokenizer.h"
+
 #define FS(source) ((file_source *)source)
 
 typedef struct _rd_source {

pandas/_libs/include/pandas/parser/pd_parser.h

@@ -13,9 +13,10 @@ extern "C" {
 #endif
 
 #define PY_SSIZE_T_CLEAN
-#include "pandas/parser/tokenizer.h"
 #include <Python.h>
 
+#include "pandas/parser/tokenizer.h"
+
 typedef struct {
   int (*to_double)(char *, double *, char, char, int *);
   int (*floatify)(PyObject *, double *, int *);

pandas/_libs/include/pandas/vendored/klib/khash_python.h

@@ -3,6 +3,7 @@
 #pragma once
 
 #include <Python.h>
+
 #include <pymem.h>
 #include <string.h>
 

pandas/_libs/src/vendored/ujson/python/JSONtoObj.c

@@ -38,11 +38,10 @@ Numeric decoder derived from TCL library
 
 // Licence at LICENSES/ULTRAJSON_LICENSE
 
-// clang-format off
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
+
 #include "pandas/vendored/ujson/lib/ultrajson.h"
-// clang-format on
 
 static int Object_objectAddKey(void *Py_UNUSED(prv), JSOBJ obj, JSOBJ name,
                                JSOBJ value) {

pandas/_libs/src/vendored/ujson/python/ujson.c

@@ -40,6 +40,7 @@ Numeric decoder derived from TCL library
 
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
+
 #define PY_ARRAY_UNIQUE_SYMBOL UJSON_NUMPY
 #include "numpy/arrayobject.h"