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csv: validate dialect options #8402

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csv: validate dialect options #8402

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d49a37f
csv: validate dialect options
hyoinandout Jul 27, 2026
c698c86
cargo fmt
hyoinandout Aug 5, 2026
43ce785
Merge remote-tracking branch 'origin/main' into fix/csv-dialect-valid…
hyoinandout Aug 5, 2026
5e2da0c
csv: finalize merge resolution
hyoinandout Aug 5, 2026
70ebe18
Validate csv dialect conflicts with line terminators
hyoinandout Aug 7, 2026
3a145db
Remove stale CSV rejection snippet
hyoinandout Aug 9, 2026
0754731
Revert "Remove stale CSV rejection snippet"
hyoinandout Aug 9, 2026
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3 changes: 0 additions & 3 deletions Lib/test/test_csv.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,12 +87,10 @@ def _test_arg_valid(self, ctor, arg):
self.assertRaises(ValueError, ctor, arg,
quotechar='\x85', lineterminator='\x85')

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_reader_arg_valid(self):
self._test_arg_valid(csv.reader, [])
self.assertRaises(OSError, csv.reader, BadIterable())

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_writer_arg_valid(self):
self._test_arg_valid(csv.writer, StringIO())
class BadWriter:
Expand Down Expand Up @@ -1288,7 +1286,6 @@ class mydialect(csv.Dialect):
self.assertEqual(str(cm.exception),
'"lineterminator" must be a string, not NoneType')

@unittest.expectedFailure # TODO: RUSTPYTHON
def test_invalid_chars(self):
def create_invalid(field_name, value, **kwargs):
class mydialect(csv.Dialect):
Expand Down
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