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c73a92fbf5
Reference: https://docs.astral.sh/ruff/formatter/black/#assert-statements > Unlike Black, Ruff prefers breaking the message over breaking the assertion, similar to how both Ruff and Black prefer breaking the assignment value over breaking the assignment target: > > ```python > # Input > assert ( > len(policy_types) >= priority + num_duplicates > ), f"This tests needs at least {priority+num_duplicates} many types." > > > # Black > assert ( > len(policy_types) >= priority + num_duplicates > ), f"This tests needs at least {priority+num_duplicates} many types." > > # Ruff > assert len(policy_types) >= priority + num_duplicates, ( > f"This tests needs at least {priority + num_duplicates} many types." > ) > ``` Pull Request resolved: https://github.com/pytorch/pytorch/pull/144546 Approved by: https://github.com/malfet
27 lines
1.1 KiB
Python
27 lines
1.1 KiB
Python
# Safely load fast C Yaml loader/dumper if they are available
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try:
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from yaml import CSafeLoader as Loader
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except ImportError:
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from yaml import SafeLoader as Loader # type: ignore[assignment, misc]
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try:
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from yaml import CSafeDumper as Dumper
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except ImportError:
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from yaml import SafeDumper as Dumper # type: ignore[assignment, misc]
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YamlDumper = Dumper
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# A custom loader for YAML that errors on duplicate keys.
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# This doesn't happen by default: see https://github.com/yaml/pyyaml/issues/165
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class YamlLoader(Loader):
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def construct_mapping(self, node, deep=False): # type: ignore[no-untyped-def]
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mapping = []
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for key_node, value_node in node.value:
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key = self.construct_object(key_node, deep=deep) # type: ignore[no-untyped-call]
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assert key not in mapping, (
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f"Found a duplicate key in the yaml. key={key}, line={node.start_mark.line}"
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)
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mapping.append(key)
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mapping = super().construct_mapping(node, deep=deep) # type: ignore[no-untyped-call]
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return mapping
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