.

bigfile/_file_zodb.pyx

@@ -18,20 +18,33 @@
 #
 # See COPYING file for full licensing terms.
 # See https://www.nexedi.com/licensing for rationale and options.
+
+# cython: language_level=2
+# distutils: language=c++
+
 """XXX"""
 
-from wendelin.bigfile import BigFile
+#from wendelin.bigfile import BigFile
+cdef extern from "bigfile/_bigfile.h":
+    ctypedef extern class _bigfile.BigFile[object PyBigFile]:
+        pass
 
 # helper for ZBigFile - just redirect loadblk/storeblk back
 # (because it is not possible to inherit from both Persistent and BigFile at
 #  the same time - see below)
-class _ZBigFile(BigFile):
+cdef class _ZBigFile(BigFile):
     # .zself    - reference to ZBigFile
 
+    """
     def __new__(cls, zself, blksize):
         obj = BigFile.__new__(cls, blksize)
         obj.zself = zself
         return obj
+    """
+
+    def __cinit__(self, zself, blksize):
+        BigFile.__cinit__(self, blksize)
+        self.zself = zself
 
     # redirect load/store/mapper to main class
     def loadblk(self, blk, buf):    return self.zself.loadblk(blk, buf)