Merge pull request #83 from xiusmo/master

Update tp_print to use PYLZMA_TP_PRINT for compatibility with Python 3.8+

Author: fancycode

src/pylzma/pylzma.h

@@ -104,6 +104,13 @@ PyInterpreterState* _pylzma_interpreterState;
 #define PARSE_LENGTH_FORMAT "%d"
 #endif
 
+// Handle tp_print -> tp_vectorcall_offset change in Python 3.8+
+#if PY_VERSION_HEX >= 0x03080000
+#define PYLZMA_TP_PRINT 0
+#else
+#define PYLZMA_TP_PRINT NULL
+#endif
+
 extern ISzAlloc allocator;
 
 #endif

src/pylzma/pylzma_aes.c

@@ -155,7 +155,7 @@ CAESDecrypt_Type = {
     sizeof(CAESDecryptObject),           /* int tp_basicsize; */
     0,                                   /* int tp_itemsize;       // not used much */
     NULL,                                /* destructor tp_dealloc; */
-    NULL,                                /* printfunc  tp_print;   */
+    PYLZMA_TP_PRINT,                     /* printfunc  tp_print;   */
     NULL,                                /* getattrfunc  tp_getattr; // __getattr__ */
     NULL,                                /* setattrfunc  tp_setattr;  // __setattr__ */
     NULL,                                /* cmpfunc  tp_compare;  // __cmp__ */

src/pylzma/pylzma_compressfile.c

@@ -231,7 +231,7 @@ CCompressionFileObject_Type = {
     sizeof(CCompressionFileObject),      /* int tp_basicsize; */
     0,                                   /* int tp_itemsize;       // not used much */
     (destructor)pylzma_compfile_dealloc, /* destructor tp_dealloc; */
-    NULL,                                /* printfunc  tp_print;   */
+    PYLZMA_TP_PRINT,                     /* printfunc  tp_print;   */
     NULL,                                /* getattrfunc  tp_getattr; // __getattr__ */
     NULL,                                /* setattrfunc  tp_setattr;  // __setattr__ */
     NULL,                                /* cmpfunc  tp_compare;  // __cmp__ */

src/pylzma/pylzma_compressobj.c

@@ -224,7 +224,7 @@ CCompressionObject_Type = {
     sizeof(CCompressionObject),          /* int tp_basicsize; */
     0,                                   /* int tp_itemsize;       // not used much */
     (destructor)pylzma_comp_dealloc,     /* destructor tp_dealloc; */
-    NULL,                                /* printfunc  tp_print;   */
+    PYLZMA_TP_PRINT,                     /* printfunc  tp_print;   */
     NULL,                                /* getattrfunc  tp_getattr; // __getattr__ */
     NULL,                                /* setattrfunc  tp_setattr;  // __setattr__ */
     NULL,                                /* cmpfunc  tp_compare;  // __cmp__ */

src/pylzma/pylzma_decompressobj.c

@@ -382,7 +382,7 @@ CDecompressionObject_Type = {
     sizeof(CDecompressionObject),        /* int tp_basicsize; */
     0,                                   /* int tp_itemsize;       // not used much */
     (destructor)pylzma_decomp_dealloc,   /* destructor tp_dealloc; */
-    NULL,                                /* printfunc  tp_print;   */
+    PYLZMA_TP_PRINT,                     /* printfunc  tp_print;   */
     NULL,                                /* getattrfunc  tp_getattr; // __getattr__ */
     NULL,                                /* setattrfunc  tp_setattr;  // __setattr__ */
     NULL,                                /* cmpfunc  tp_compare;  // __cmp__ */

src/pylzma/pylzma_decompressobj_compat.c

@@ -202,7 +202,7 @@ PyTypeObject CompatDecompressionObject_Type = {
   sizeof(CCompatDecompressionObject),  /* int tp_basicsize; */
   0,                                   /* int tp_itemsize;       // not used much */
   (destructor)pylzma_decomp_dealloc,   /* destructor tp_dealloc; */
-  NULL,                                /* printfunc  tp_print;   */
+  PYLZMA_TP_PRINT,                     /* printfunc  tp_print;   */
   NULL,                                /* getattrfunc  tp_getattr; // __getattr__ */
   NULL,                                /* setattrfunc  tp_setattr;  // __setattr__ */
   NULL,                                /* cmpfunc  tp_compare;  // __cmp__ */