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"""Check for use of while loops."""
from typing import TYPE_CHECKING
from astroid import nodes
from pylint.checkers import BaseChecker
from pylint.checkers.utils import check_messages
from pylint.interfaces import IAstroidChecker
if TYPE_CHECKING:
from pylint.lint import PyLinter
class WhileChecker(BaseChecker):
__implements__ = (IAstroidChecker,)
name = "while_used"
msgs = {
"W0149": (
"Used `while` loop",
"while-used",
"Unbounded `while` loops can often be rewritten as bounded `for` loops.",
)
}
@check_messages("while-used")
def visit_while(self, node: nodes.While) -> None:
self.add_message("while-used", node=node)
def register(linter: "PyLinter") -> None:
linter.register_checker(WhileChecker(linter))
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