Merge pull request #181 from asottile/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

.pre-commit-config.yaml

@@ -36,6 +36,6 @@ repos:
     hooks:
     -   id: flake8
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.10.1
+    rev: v1.11.0
     hooks:
     -   id: mypy

dead.py

@@ -13,6 +13,7 @@
 from typing import Generator
 from typing import NewType
 from typing import Pattern
+from typing import Protocol
 from typing import Sequence
 from typing import Set
 from typing import Union
@@ -38,6 +39,11 @@
 STUB_EXCEPTIONS = frozenset(('AssertionError', 'NotImplementedError'))
 
 
+class _HasLineno(Protocol):
+    @property
+    def lineno(self) -> int: ...
+
+
 class Scope:
     def __init__(self) -> None:
         self.reads: UsageMap = collections.defaultdict(set)
@@ -79,14 +85,14 @@ def scope(self) -> Generator[None, None, None]:
     def _file_line(self, filename: str, line: int) -> FileLine:
         return FileLine(f'{filename}:{line}')
 
-    def definition_str(self, node: ast.AST) -> FileLine:
+    def definition_str(self, node: _HasLineno) -> FileLine:
         return self._file_line(self.filename, node.lineno)
 
-    def define(self, name: str, node: ast.AST) -> None:
+    def define(self, name: str, node: _HasLineno) -> None:
         if not self.is_test:
             self.scopes[-1].defines[name].add(self.definition_str(node))
 
-    def read(self, name: str, node: ast.AST) -> None:
+    def read(self, name: str, node: _HasLineno) -> None:
         for scope in self.scopes:
             if self.is_test:
                 scope.reads_tests[name].add(self.definition_str(node))
@@ -204,10 +210,8 @@ def visit_comment(self, lineno: int, line: str) -> None:
 
         for part in parts:
             ast_obj = ast.parse(part, f'<{self.filename}:{lineno}: comment>')
-            # adjust the line number to be that of the comment
-            for descendant in ast.walk(ast_obj):
-                if 'lineno' in descendant._attributes:
-                    descendant.lineno = lineno
+            ast_obj.body[0].lineno = lineno
+            ast.fix_missing_locations(ast_obj)
 
             self.visit(ast_obj)