gh-104683: Argument clinic: cleanup state_modulename_name() (#107340)

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Alex Waygood 2023-07-27 22:51:18 +01:00 • committed by GitHub
parent 2f9bb77764
commit c2b1689abc
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 35 additions and 10 deletions

View file

@ -679,6 +679,32 @@ class ClinicParserTest(_ParserBase):
""")
self.assertIsInstance(function.return_converter, clinic.int_return_converter)
def test_return_converter_invalid_syntax(self):
stdout = self.parse_function_should_fail("""
module os
os.stat -> invalid syntax
""")
expected_error = "Badly formed annotation for os.stat: 'invalid syntax'"
self.assertIn(expected_error, stdout)
def test_legacy_converter_disallowed_in_return_annotation(self):
stdout = self.parse_function_should_fail("""
module os
os.stat -> "s"
""")
expected_error = "Legacy converter 's' not allowed as a return converter"
self.assertIn(expected_error, stdout)
def test_unknown_return_converter(self):
stdout = self.parse_function_should_fail("""
module os
os.stat -> foooooooooooooooooooooooo
""")
expected_error = (
"No available return converter called 'foooooooooooooooooooooooo'"
)
self.assertIn(expected_error, stdout)
def test_star(self):
function = self.parse_function("""
module os

View file

@ -4730,6 +4730,7 @@ class DSLParser:
return
line, _, returns = line.partition('->')
returns = returns.strip()
full_name, _, c_basename = line.partition(' as ')
full_name = full_name.strip()
@ -4743,23 +4744,21 @@ class DSLParser:
return_converter = None
if returns:
ast_input = f"def x() -> {returns}: pass"
module = None
try:
module = ast.parse(ast_input)
module_node = ast.parse(ast_input)
except SyntaxError:
pass
if not module:
fail("Badly-formed annotation for " + full_name + ": " + returns)
fail(f"Badly formed annotation for {full_name}: {returns!r}")
function_node = module_node.body[0]
assert isinstance(function_node, ast.FunctionDef)
try:
name, legacy, kwargs = self.parse_converter(module.body[0].returns)
name, legacy, kwargs = self.parse_converter(function_node.returns)
if legacy:
fail("Legacy converter {!r} not allowed as a return converter"
.format(name))
fail(f"Legacy converter {name!r} not allowed as a return converter")
if name not in return_converters:
fail("No available return converter called " + repr(name))
fail(f"No available return converter called {name!r}")
return_converter = return_converters[name](**kwargs)
except ValueError:
fail("Badly-formed annotation for " + full_name + ": " + returns)
fail(f"Badly formed annotation for {full_name}: {returns!r}")
fields = [x.strip() for x in full_name.split('.')]
function_name = fields.pop()