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bpo-45292: [PEP-654] add except* (GH-29581)

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Irit Katriel 2021-12-14 16:48:15 +00:00 • committed by GitHub
parent 850aefc2c6
commit d60457a667
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34 changed files with 7070 additions and 3332 deletions
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23
Lib/test/test_ast.py
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@ -86,6 +86,8 @@ exec_tests = [
"try:\n pass\nexcept Exception:\n pass",
# TryFinally
"try:\n pass\nfinally:\n pass",
# TryStarExcept
"try:\n pass\nexcept* Exception:\n pass",
# Assert
"assert v",
# Import
@ -1310,6 +1312,26 @@ class ASTValidatorTests(unittest.TestCase):
t = ast.Try([p], e, [p], [ast.Expr(ast.Name("x", ast.Store()))])
self.stmt(t, "must have Load context")
def test_try_star(self):
p = ast.Pass()
t = ast.TryStar([], [], [], [p])
self.stmt(t, "empty body on TryStar")
t = ast.TryStar([ast.Expr(ast.Name("x", ast.Store()))], [], [], [p])
self.stmt(t, "must have Load context")
t = ast.TryStar([p], [], [], [])
self.stmt(t, "TryStar has neither except handlers nor finalbody")
t = ast.TryStar([p], [], [p], [p])
self.stmt(t, "TryStar has orelse but no except handlers")
t = ast.TryStar([p], [ast.ExceptHandler(None, "x", [])], [], [])
self.stmt(t, "empty body on ExceptHandler")
e = [ast.ExceptHandler(ast.Name("x", ast.Store()), "y", [p])]
self.stmt(ast.TryStar([p], e, [], []), "must have Load context")
e = [ast.ExceptHandler(None, "x", [p])]
t = ast.TryStar([p], e, [ast.Expr(ast.Name("x", ast.Store()))], [p])
self.stmt(t, "must have Load context")
t = ast.TryStar([p], e, [p], [ast.Expr(ast.Name("x", ast.Store()))])
self.stmt(t, "must have Load context")
def test_assert(self):
self.stmt(ast.Assert(ast.Name("x", ast.Store()), None),
"must have Load context")
@ -2316,6 +2338,7 @@ exec_results = [
('Module', [('Raise', (1, 0, 1, 25), ('Call', (1, 6, 1, 25), ('Name', (1, 6, 1, 15), 'Exception', ('Load',)), [('Constant', (1, 16, 1, 24), 'string', None)], []), None)], []),
('Module', [('Try', (1, 0, 4, 6), [('Pass', (2, 2, 2, 6))], [('ExceptHandler', (3, 0, 4, 6), ('Name', (3, 7, 3, 16), 'Exception', ('Load',)), None, [('Pass', (4, 2, 4, 6))])], [], [])], []),
('Module', [('Try', (1, 0, 4, 6), [('Pass', (2, 2, 2, 6))], [], [], [('Pass', (4, 2, 4, 6))])], []),
('Module', [('TryStar', (1, 0, 4, 6), [('Pass', (2, 2, 2, 6))], [('ExceptHandler', (3, 0, 4, 6), ('Name', (3, 8, 3, 17), 'Exception', ('Load',)), None, [('Pass', (4, 2, 4, 6))])], [], [])], []),
('Module', [('Assert', (1, 0, 1, 8), ('Name', (1, 7, 1, 8), 'v', ('Load',)), None)], []),
('Module', [('Import', (1, 0, 1, 10), [('alias', (1, 7, 1, 10), 'sys', None)])], []),
('Module', [('ImportFrom', (1, 0, 1, 17), 'sys', [('alias', (1, 16, 1, 17), 'v', None)], 0)], []),