commit 59c9a645e2f44b0b546225678d704787d9eae35d
author Tim Peters <tim.peters@gmail.com> Thu Sep 13 05:38:56 2001 +0000
committer Tim Peters <tim.peters@gmail.com> Thu Sep 13 05:38:56 2001 +0000
tree 56179a5250e747d330a93b4f5fe66eeb65859329
parent 93a696f49171c0593b23817bbf56ab44269a9587

SF bug [#460467] file objects should be subclassable.
Preliminary support.  What's here works, but needs fine-tuning.

Include/fileobject.h

diff --git a/Include/fileobject.h b/Include/fileobject.h
index a3670c2..94d3591 100644
--- a/Include/fileobject.h
+++ b/Include/fileobject.h
@@ -9,7 +9,8 @@
 
 extern DL_IMPORT(PyTypeObject) PyFile_Type;
 
-#define PyFile_Check(op) ((op)->ob_type == &PyFile_Type)
+#define PyFile_Check(op) PyObject_TypeCheck(op, &PyFile_Type)
+#define PyFile_CheckExact(op) ((op)->ob_type == &PyFile_Type)
 
 extern DL_IMPORT(PyObject *) PyFile_FromString(char *, char *);
 extern DL_IMPORT(void) PyFile_SetBufSize(PyObject *, int);