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Catch ParentMissingError in variables checker #9371

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merged 3 commits into from
Jan 28, 2024
Merged

Catch ParentMissingError in variables checker #9371

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fd47402
Catch ParentMissingError in variables checker
jacobtylerwalls Dec 14, 2023
170cd33
Revert unrelated changes
jacobtylerwalls Jan 28, 2024
e52906b
Tighten up disable
jacobtylerwalls Jan 28, 2024
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11 changes: 8 additions & 3 deletions pylint/checkers/variables.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
from typing import TYPE_CHECKING, Any, NamedTuple

import astroid
import astroid.exceptions
from astroid import bases, extract_node, nodes, util
from astroid.nodes import _base_nodes
from astroid.typing import InferenceResult
Expand Down Expand Up @@ -2511,7 +2512,7 @@ class D(Tp):
and name in frame_locals
)

# pylint: disable = too-many-branches
# pylint: disable = too-many-branches, too-many-statements
def _loopvar_name(self, node: astroid.Name) -> None:
# filter variables according to node's scope
astmts = [s for s in node.lookup(node.name)[1] if hasattr(s, "assign_type")]
Expand Down Expand Up @@ -2547,8 +2548,12 @@ def _loopvar_name(self, node: astroid.Name) -> None:
else:
_astmts = astmts[:1]
for i, stmt in enumerate(astmts[1:]):
if astmts[i].statement().parent_of(stmt) and not utils.in_for_else_branch(
astmts[i].statement(), stmt
try:
astmt_statement = astmts[i].statement()
except astroid.exceptions.ParentMissingError:
continue
if astmt_statement.parent_of(stmt) and not utils.in_for_else_branch(
astmt_statement, stmt
):
continue
_astmts.append(stmt)
Expand Down
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