Cleanup: rename bpy_util -> bpy_capi_utils

This is for internal CAPI use only, avoid confusion w/ bpy.utils module.

source/blender/python/intern/bpy_capi_utils.h

@@ -0,0 +1,53 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributor(s): Campbell Barton
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/python/intern/bpy_capi_utils.h
+ *  \ingroup pythonintern
+ */
+
+#ifndef __BPY_UTIL_H__
+#define __BPY_UTIL_H__
+
+#if PY_VERSION_HEX <  0x03060000
+#  error "Python 3.6 or greater is required, you'll need to update your python."
+#endif
+
+struct EnumPropertyItem;
+struct ReportList;
+
+char *BPy_enum_as_string(const struct EnumPropertyItem *item);
+
+#define BLANK_PYTHON_TYPE {PyVarObject_HEAD_INIT(NULL, 0) NULL}
+
+/* error reporting */
+short BPy_reports_to_error(struct ReportList *reports, PyObject *exception, const bool clear);
+bool BPy_errors_to_report_ex(struct ReportList *reports, const bool use_full, const bool use_location);
+bool BPy_errors_to_report(struct ReportList *reports);
+
+/* TODO - find a better solution! */
+struct bContext *BPy_GetContext(void);
+void BPy_SetContext(struct bContext *C);
+
+extern void bpy_context_set(struct bContext *C, PyGILState_STATE *gilstate);
+extern void bpy_context_clear(struct bContext *C, PyGILState_STATE *gilstate);
+
+#endif  /* __BPY_UTIL_H__ */