Commit 1471dc55 authored by Guido van Rossum's avatar Guido van Rossum

undoLog(): get rid of a mysterious "Eek!" comment. Instead, clarify

in the docstring that filter should be None.  Also change the return
value if filter!=None from () to [], to match the type of what it
returns in other cases.
parent 59e18956
...@@ -20,7 +20,7 @@ ClientStorageError -- exception raised by ClientStorage ...@@ -20,7 +20,7 @@ ClientStorageError -- exception raised by ClientStorage
UnrecognizedResult -- exception raised by ClientStorage UnrecognizedResult -- exception raised by ClientStorage
ClientDisconnected -- exception raised by ClientStorage ClientDisconnected -- exception raised by ClientStorage
$Id: ClientStorage.py,v 1.71 2002/10/01 16:45:28 jeremy Exp $ $Id: ClientStorage.py,v 1.72 2002/10/01 18:45:56 gvanrossum Exp $
""" """
# XXX TO DO # XXX TO DO
...@@ -693,11 +693,16 @@ class ClientStorage: ...@@ -693,11 +693,16 @@ class ClientStorage:
return self._server.undoInfo(first, last, specification) return self._server.undoInfo(first, last, specification)
def undoLog(self, first=0, last=-20, filter=None): def undoLog(self, first=0, last=-20, filter=None):
"""Storage API: return a sequence of TransactionDescription objects.""" """Storage API: return a sequence of TransactionDescription objects.
if filter is not None:
return () # can't pass a filter to server
return self._server.undoLog(first, last) # Eek! The filter argument should be None or left unspecified, since
it is impossible to pass the filter function to the server to
be executed there. If filter is not None, an empty sequence
is returned.
"""
if filter is not None:
return []
return self._server.undoLog(first, last)
def versionEmpty(self, version): def versionEmpty(self, version):
"""Storage API: return whether the version has no transactions.""" """Storage API: return whether the version has no transactions."""
......
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