diff options
Diffstat (limited to 'Lib/pickle.py')
| -rw-r--r-- | Lib/pickle.py | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py index 2ec9a43..4644ee9 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -89,7 +89,7 @@ class Pickler: self.write(STOP) def dump_special(self, callable, args, state = None): - if (type(args) is not TupleType): + if type(args) is not TupleType and args is not None: raise PicklingError, "Second argument to dump_special " \ "must be a tuple" @@ -162,6 +162,10 @@ class Pickler: else: tup = reduce(object) + if type(tup) is StringType: + self.save_global(object, tup) + return + if (type(tup) is not TupleType): raise PicklingError, "Value returned by %s must be a " \ "tuple" % reduce @@ -180,7 +184,7 @@ class Pickler: else: state = None - if (type(arg_tup) is not TupleType): + if type(arg_tup) is not TupleType and arg_tup is not None: raise PicklingError, "Second element of tuple returned " \ "by %s must be a tuple" % reduce @@ -648,8 +652,8 @@ class Unpickler: arg_tup = stack[-1] del stack[-2:] - if (type(callable) is not ClassType): - if (not safe_constructors.has_key(callable)): + if type(callable) is not ClassType: + if not safe_constructors.has_key(callable): try: safe = callable.__safe_for_unpickling__ except AttributeError: @@ -659,7 +663,10 @@ class Unpickler: raise UnpicklingError, "%s is not safe for " \ "unpickling" % callable - value = apply(callable, arg_tup) + if arg_tup is None: + value = callable.__basicnew__() + else: + value = apply(callable, arg_tup) self.append(value) dispatch[REDUCE] = load_reduce |