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gh-111159: Fix SyntaxError
doctests for non-builtin exception classes (#111541)
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@ -1399,10 +1399,14 @@ def __run(self, test, compileflags, out):
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# we don't care about the carets / suggestions / etc
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# We only care about the error message and notes.
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# They start with `SyntaxError:` (or any other class name)
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exception_line_prefixes = (
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f"{exception[0].__qualname__}:",
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f"{exception[0].__module__}.{exception[0].__qualname__}:",
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)
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exc_msg_index = next(
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index
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for index, line in enumerate(formatted_ex)
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if line.startswith(f"{exception[0].__name__}:")
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if line.startswith(exception_line_prefixes)
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)
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formatted_ex = formatted_ex[exc_msg_index:]
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@ -3310,6 +3310,24 @@ def test_syntax_error_with_note(cls, multiline=False):
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raise exc
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def test_syntax_error_subclass_from_stdlib():
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"""
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`ParseError` is a subclass of `SyntaxError`, but it is not a builtin:
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>>> test_syntax_error_subclass_from_stdlib()
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Traceback (most recent call last):
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...
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xml.etree.ElementTree.ParseError: error
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error
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Note
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Line
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"""
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from xml.etree.ElementTree import ParseError
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exc = ParseError("error\nerror")
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exc.add_note('Note\nLine')
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raise exc
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def test_syntax_error_with_incorrect_expected_note():
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"""
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>>> def f(x):
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@ -0,0 +1 @@
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Fix :mod:`doctest` for :exc:`SyntaxError` not-builtin subclasses.
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