implement more str methods

casefold, removeprefix, removesuffix

Author: davidism

CHANGES.rst

@@ -3,8 +3,9 @@ Version 2.1.3
 
 Unreleased
 
+- Implement ``format_map``, ``casefold``, ``removeprefix``, and ``removesuffix``
+ methods. :issue:`370`
 - Fix static typing for basic ``str`` methods on ``Markup``. :issue:`358`
-- Implement ``format_map`` method. :issue:`370`
 
 
 Version 2.1.2

src/markupsafe/__init__.py

@@ -1,6 +1,7 @@
 import functools
 import re
 import string
+import sys
 import typing as t
 
 if t.TYPE_CHECKING:
@@ -193,6 +194,11 @@ def escape(cls, s: t.Any) -> "Markup":
  expandtabs = _simple_escaping_wrapper(str.expandtabs)
  swapcase = _simple_escaping_wrapper(str.swapcase)
  zfill = _simple_escaping_wrapper(str.zfill)
+ casefold = _simple_escaping_wrapper(str.casefold)
+
+ if sys.version_info >= (3, 9):
+ removeprefix = _simple_escaping_wrapper(str.removeprefix)
+ removesuffix = _simple_escaping_wrapper(str.removesuffix)
 
  def partition(self, sep: str) -> t.Tuple["Markup", "Markup", "Markup"]:
  l, s, r = super().partition(self.escape(sep))