diff options
Diffstat (limited to 'Lib/collections')
| -rw-r--r-- | Lib/collections/__init__.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index 706907a..960d82a 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -1038,6 +1038,13 @@ class UserDict(_collections_abc.MutableMapping): # Now, add the methods in dicts but not in MutableMapping def __repr__(self): return repr(self.data) + def __copy__(self): + inst = self.__class__.__new__(self.__class__) + inst.__dict__.update(self.__dict__) + # Create a copy and avoid triggering descriptors + inst.__dict__["data"] = self.__dict__["data"].copy() + return inst + def copy(self): if self.__class__ is UserDict: return UserDict(self.data.copy()) @@ -1050,6 +1057,7 @@ class UserDict(_collections_abc.MutableMapping): self.data = data c.update(self) return c + @classmethod def fromkeys(cls, iterable, value=None): d = cls() @@ -1118,6 +1126,12 @@ class UserList(_collections_abc.MutableSequence): def __imul__(self, n): self.data *= n return self + def __copy__(self): + inst = self.__class__.__new__(self.__class__) + inst.__dict__.update(self.__dict__) + # Create a copy and avoid triggering descriptors + inst.__dict__["data"] = self.__dict__["data"][:] + return inst def append(self, item): self.data.append(item) def insert(self, i, item): self.data.insert(i, item) def pop(self, i=-1): return self.data.pop(i) |