scribus/Fails-to-build-with-python-3.8.patch

From df0ba0a365fd36bf4a4abac3b45e65a65a46c82c Mon Sep 17 00:00:00 2001
From: Jean Ghali <jghali@libertysurf.fr>
Date: Sun, 3 Nov 2019 01:15:12 +0000
Subject: [PATCH] #15901: Fails to build with python 3.8

git-svn-id: svn://scribus.net/trunk/Scribus@23314 11d20701-8431-0410-a711-e3c959e3b870
---
 .../plugins/scriptplugin/objimageexport.cpp   | 52 ++++++++++++++++---
 scribus/plugins/scriptplugin/objpdffile.cpp   | 13 ++++-
 scribus/plugins/scriptplugin/objprinter.cpp   | 13 ++++-
 3 files changed, 70 insertions(+), 8 deletions(-)

diff --git a/scribus/plugins/scriptplugin/objimageexport.cpp b/scribus/plugins/scriptplugin/objimageexport.cpp
index cfc3c3fa06..7d2fb2f0a8 100644
--- a/scribus/plugins/scriptplugin/objimageexport.cpp
+++ b/scribus/plugins/scriptplugin/objimageexport.cpp
@@ -220,29 +220,62 @@ PyTypeObject ImageExport_Type = {
 	const_cast<char*>("scribus.ImageExport"), // char *tp_name; /* For printing, in format "<module>.<name>" */
 	sizeof(ImageExport),   // int tp_basicsize, /* For allocation */
 	0,  // int tp_itemsize; /* For allocation */
+
+	/* Methods to implement standard operations */
+
 	(destructor) ImageExport_dealloc, //	 destructor tp_dealloc;
-	nullptr, //	 printfunc tp_print;
+#if PY_VERSION_HEX >= 0x03080000
+	0,       //     Py_ssize_t tp_vectorcall_offset
+#else
+	nullptr, //     printfunc tp_print;
+#endif
 	nullptr, //	 getattrfunc tp_getattr;
 	nullptr, //	 setattrfunc tp_setattr;
-	nullptr, //	 cmpfunc tp_compare;
+	nullptr, //	 cmpfunc tp_as_async;
 	nullptr, //	 reprfunc tp_repr;
+
+	/* Method suites for standard classes */
+
 	nullptr, //	 PyNumberMethods *tp_as_number;
 	nullptr, //	 PySequenceMethods *tp_as_sequence;
 	nullptr, //	 PyMappingMethods *tp_as_mapping;
+
+	/* More standard operations (here for binary compatibility) */
+
 	nullptr, //	 hashfunc tp_hash;
 	nullptr, //	 ternaryfunc tp_call;
 	nullptr, //	 reprfunc tp_str;
 	nullptr, //	 getattrofunc tp_getattro;
 	nullptr, //	 setattrofunc tp_setattro;
+
+	/* Functions to access object as input/output buffer */
 	nullptr, //	 PyBufferProcs *tp_as_buffer;
+
+	/* Flags to define presence of optional/expanded features */
 	Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,	// long tp_flags;
+
 	imgexp__doc__, // char *tp_doc; /* Documentation string */
+
+	/* Assigned meaning in release 2.0 */
+	/* call function for all accessible objects */
 	nullptr, //	 traverseproc tp_traverse;
+
+	/* delete references to contained objects */
 	nullptr, //	 inquiry tp_clear;
+
+	/* Assigned meaning in release 2.1 */
+	/* rich comparisons */
 	nullptr, //	 richcmpfunc tp_richcompare;
+
+	/* weak reference enabler */
 	0, //	 long tp_weaklistoffset;
+
+	/* Added in release 2.2 */
+	/* Iterators */
 	nullptr, //	 getiterfunc tp_iter;
 	nullptr, //	 iternextfunc tp_iternext;
+
+	/* Attribute descriptor and subclassing stuff */
 	ImageExport_methods, //	 struct PyMethodDef *tp_methods;
 	ImageExport_members, //	 struct PyMemberDef *tp_members;
 	ImageExport_getseters, //	 struct PyGetSetDef *tp_getset;
@@ -264,12 +297,19 @@ PyTypeObject ImageExport_Type = {
 	nullptr, //	 destructor tp_del;
 	0, //	 unsigned int tp_version_tag;
 	0, //	 destructor tp_finalize;
+#if PY_VERSION_HEX >= 0x03080000
+	nullptr, // tp_vectorcall
+#endif
+#if PY_VERSION_HEX >= 0x03080000 && PY_VERSION_HEX < 0x03090000
+	nullptr, //deprecated tp_print
+#endif
 
 #ifdef COUNT_ALLOCS
 	/* these must be last and never explicitly initialized */
-	//	int tp_allocs;
-	//	int tp_frees;
-	//	int tp_maxalloc;
-	//	struct _typeobject *tp_next;
+	//    int tp_allocs;
+	//    int tp_frees;
+	//    int tp_maxalloc;
+	//    struct _typeobject *tp_prev;
+	//    struct _typeobject *tp_next;
 #endif
 };
diff --git a/scribus/plugins/scriptplugin/objpdffile.cpp b/scribus/plugins/scriptplugin/objpdffile.cpp
index 2ae8c93452..5ec423b20c 100644
--- a/scribus/plugins/scriptplugin/objpdffile.cpp
+++ b/scribus/plugins/scriptplugin/objpdffile.cpp
@@ -1555,10 +1555,14 @@ PyTypeObject PDFfile_Type = {
 	/* Methods to implement standard operations */
 
 	(destructor) PDFfile_dealloc, //     destructor tp_dealloc;
+#if PY_VERSION_HEX >= 0x03080000
+	0,       //     Py_ssize_t tp_vectorcall_offset
+#else
 	nullptr, //     printfunc tp_print;
+#endif
 	nullptr, //     getattrfunc tp_getattr;
 	nullptr, //     setattrfunc tp_setattr;
-	nullptr, //     cmpfunc tp_compare;
+	nullptr, //     cmpfunc tp_as_async;
 	nullptr, //     reprfunc tp_repr;
 
 	/* Method suites for standard classes */
@@ -1624,12 +1628,19 @@ PyTypeObject PDFfile_Type = {
 	nullptr, //     destructor tp_del;
 	0, //	 unsigned int tp_version_tag;
 	0, //	 destructor tp_finalize;
+#if PY_VERSION_HEX >= 0x03080000
+	nullptr, // tp_vectorcall
+#endif
+#if PY_VERSION_HEX >= 0x03080000 && PY_VERSION_HEX < 0x03090000
+	nullptr, //deprecated tp_print
+#endif
 
 #ifdef COUNT_ALLOCS
 	/* these must be last and never explicitly initialized */
 	//    int tp_allocs;
 	//    int tp_frees;
 	//    int tp_maxalloc;
+	//    struct _typeobject *tp_prev;
 	//    struct _typeobject *tp_next;
 #endif
 };
diff --git a/scribus/plugins/scriptplugin/objprinter.cpp b/scribus/plugins/scriptplugin/objprinter.cpp
index 3219f77534..e59e71d024 100644
--- a/scribus/plugins/scriptplugin/objprinter.cpp
+++ b/scribus/plugins/scriptplugin/objprinter.cpp
@@ -517,10 +517,14 @@ PyTypeObject Printer_Type = {
 	/* Methods to implement standard operations */
 
 	(destructor) Printer_dealloc, //     destructor tp_dealloc;
+#if PY_VERSION_HEX >= 0x03080000
+	0,       //     Py_ssize_t tp_vectorcall_offset
+#else
 	nullptr, //     printfunc tp_print;
+#endif
 	nullptr, //     getattrfunc tp_getattr;
 	nullptr, //     setattrfunc tp_setattr;
-	nullptr, //     cmpfunc tp_compare;
+	nullptr, //     cmpfunc tp_as_async;
 	nullptr, //     reprfunc tp_repr;
 
 	/* Method suites for standard classes */
@@ -586,12 +590,19 @@ PyTypeObject Printer_Type = {
 	nullptr, //     destructor tp_del;
 	0, //	 unsigned int tp_version_tag;
 	0, //	 destructor tp_finalize;
+#if PY_VERSION_HEX >= 0x03080000
+	nullptr, // tp_vectorcall
+#endif
+#if PY_VERSION_HEX >= 0x03080000 && PY_VERSION_HEX < 0x03090000
+	nullptr, //deprecated tp_print
+#endif
 
 #ifdef COUNT_ALLOCS
 	/* these must be last and never explicitly initialized */
 	//    int tp_allocs;
 	//    int tp_frees;
 	//    int tp_maxalloc;
+	//    struct _typeobject *tp_prev;
 	//    struct _typeobject *tp_next;
 #endif
 };