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vim: Parse skip_magic_trailing_comma from pyproject.toml (#2613)
[etc/vim.git] / src / blib2to3 / pytree.py
index 0c074f6a4ac9d3ead4fc902db6020a246d4951c8..001652df09fb85d623ede558f75a2ea102549e4e 100644 (file)
@@ -33,7 +33,7 @@ __author__ = "Guido van Rossum <guido@python.org>"
 import sys
 from io import StringIO
 
-HUGE: int = 0x7fffffff  # maximum repeat count, default max
+HUGE: int = 0x7FFFFFFF  # maximum repeat count, default max
 
 _type_reprs: Dict[int, Union[Text, int]] = {}
 
@@ -52,7 +52,7 @@ def type_repr(type_num: int) -> Union[Text, int]:
     return _type_reprs.setdefault(type_num, type_num)
 
 
-_P = TypeVar("_P")
+_P = TypeVar("_P", bound="Base")
 
 NL = Union["Node", "Leaf"]
 Context = Tuple[Text, Tuple[int, int]]
@@ -109,6 +109,9 @@ class Base(object):
         """
         raise NotImplementedError
 
+    def __deepcopy__(self: _P, memo: Any) -> _P:
+        return self.clone()
+
     def clone(self: _P) -> _P:
         """
         Return a cloned (deep) copy of self.