misc: use keyword.kwlist to get list of reserved keywords (#76195)

wcs/qommon/form.py

@@ -24,6 +24,7 @@ import html
 import io
 import itertools
 import json
+import keyword
 import mimetypes
 import os
 import random
@@ -1692,47 +1693,8 @@ class VarnameWidget(ValidatedStringWidget):
         # "native" id/text keys in datasources; forbid "status" to avoid status
         # filtering being diverted to a form field.
         # And forbid all reserved Python keywords so varnames can be used in
-        # dotted expressions (form.var.plop). (keyword.kwlist in Python 3.9)
-        if self.value in (
-            'id',
-            'text',
-            'status',
-            'and',
-            'as',
-            'assert',
-            'async',
-            'await',
-            'break',
-            'class',
-            'continue',
-            'def',
-            'del',
-            'elif',
-            'else',
-            'except',
-            'False',
-            'finally',
-            'for',
-            'from',
-            'global',
-            'if',
-            'import',
-            'in',
-            'is',
-            'lambda',
-            'None',
-            'nonlocal',
-            'not',
-            'or',
-            'pass',
-            'raise',
-            'return',
-            'True',
-            'try',
-            'while',
-            'with',
-            'yield',
-        ):
+        # dotted expressions (form.var.plop).
+        if self.value in ('id', 'text', 'status') + tuple(keyword.kwlist):
             self.error = _('this value is reserved for internal use.')