.

wcfs/client/_wcfs.pyx

@@ -25,8 +25,7 @@
 # Package _wcfs provides Python-wrappers for C++ wcfs client package.
 # See _wcfs.pxd for package overview.
 
-from golang cimport pychan, nil
-from golang import context as pycontext
+from golang cimport pychan, pyerror, nil
 
 cdef extern from *:
     ctypedef bint cbool "bool"
@@ -265,15 +264,7 @@ def _tpywlinkwrite(PyWatchLink pywlink, bytes pypkt):
 cdef object pyerr(error err):
     if err == nil:
         return None
-
-    # XXX support for other errors? is it good idea?
-    # XXX -> errors.Is ?
-    if err.eq(context.canceled):
-        return pycontext.canceled
-    if err.eq(context.deadlineExceeded):
-        return pycontext.deadlineExceeded
-
-    return RuntimeError(err.Error())    # XXX exc class ok?
+    return pyerror.from_error(err)
 
 
 from golang cimport topyexc