30 lines
1 KiB
Python
30 lines
1 KiB
Python
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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/pylint-dev/pylint/blob/main/LICENSE
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# Copyright (c) https://github.com/pylint-dev/pylint/blob/main/CONTRIBUTORS.txt
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from astroid import nodes
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from pylint.checkers import utils
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from pylint.checkers.base.basic_checker import _BasicChecker
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class PassChecker(_BasicChecker):
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"""Check if the pass statement is really necessary."""
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msgs = {
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"W0107": (
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"Unnecessary pass statement",
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"unnecessary-pass",
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'Used when a "pass" statement can be removed without affecting '
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"the behaviour of the code.",
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)
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}
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@utils.only_required_for_messages("unnecessary-pass")
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def visit_pass(self, node: nodes.Pass) -> None:
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if len(node.parent.child_sequence(node)) > 1 or (
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isinstance(node.parent, (nodes.ClassDef, nodes.FunctionDef))
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and node.parent.doc_node
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):
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self.add_message("unnecessary-pass", node=node)
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