28 lines
740 B
Python
28 lines
740 B
Python
class Editable:
|
|
def make_copy(self):
|
|
# makes an internal copy of self
|
|
# delete old copy
|
|
if hasattr(self, "_copy"):
|
|
if self._copy is not None:
|
|
self._copy = None
|
|
|
|
# make new copy
|
|
self._copy = JSON.parse(JSON.stringify(self))
|
|
|
|
def copy(self):
|
|
# return internal copy of self
|
|
# check if even initialized
|
|
if hasattr(self, "_copy"):
|
|
return self._copy
|
|
else:
|
|
return None
|
|
|
|
def overwrite_with_copy(self):
|
|
for key, value in dict(self._copy).items():
|
|
if key == "_copy":
|
|
continue
|
|
setattr(self, key, value)
|
|
|
|
self._copy = None
|
|
|