.

wcfs/__init__.py

@@ -61,6 +61,7 @@ from zodbtools.util import ashex as h, fromhex
 
 from .internal import mm
 from .internal._wcfs import \
+    PyWCFS          as _WCFS,       \
     PyWatchLink     as WatchLink,   \
     PyPinReq        as PinReq       \
 
@@ -78,7 +79,7 @@ from six import reraise
 # Raw files on wcfs can be accessed with ._path/._read/._stat/._open .
 #
 # WCFS logically mirrors ZODB.DB .
-class WCFS(object):
+class WCFS(_WCFS):
     # .mountpoint   path to wcfs mountpoint
     # ._fwcfs       /.wcfs/zurl opened to keep the server from going away (at least cleanly)
     # ._njoin       this connection was returned for so many joins

wcfs/internal/_wcfs.pyx

@@ -46,21 +46,28 @@ ctypedef WatchLink *pWatchLink # https://github.com/cython/cython/issues/534
 
 cdef extern from "wcfs.h" nogil:
     cppclass WCFS:
+        string  mountpoint
+
         pair[pWatchLink, error] _openwatch()    # XXX pair instead of tuple
 
 
 from golang cimport topyexc
 
 cdef class PyWCFS:
-    cdef WCFS *wc
+    cdef WCFS wc
 
+    property mountpoint:
+        def __get__(PyWCFS pywc):
+            return pywc.wc.mountpoint
+        def __set__(PyWCFS pywc, string v):
+            pywc.wc.mountpoint = v
 
 cdef class PyWatchLink:
     cdef WatchLink *wlink
 
     def __init__(PyWatchLink pywlink, PyWCFS pywc):
         with nogil:
-            _ = wcfs_openwatch_pyexc(pywc.wc)
+            _ = wcfs_openwatch_pyexc(&pywc.wc)
             pywlink.wlink = _.first
             err = _.second