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# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/astroid/blob/main/CONTRIBUTORS.txt
from __future__ import annotations
import collections.abc
from typing import TypeVar
from astroid import nodes
from astroid.manager import AstroidManager
_NodeT = TypeVar("_NodeT", bound=nodes.NodeNG)
def _clone_node_with_lineno(
node: _NodeT, parent: nodes.NodeNG, lineno: int | None
) -> _NodeT:
cls = node.__class__
other_fields = node._other_fields
_astroid_fields = node._astroid_fields
init_params = {"lineno": lineno, "col_offset": node.col_offset, "parent": parent}
postinit_params = {param: getattr(node, param) for param in _astroid_fields}
if other_fields:
init_params.update({param: getattr(node, param) for param in other_fields})
new_node = cls(**init_params)
if hasattr(node, "postinit") and _astroid_fields:
for param, child in postinit_params.items():
if child and not isinstance(child, collections.abc.Sequence):
cloned_child = _clone_node_with_lineno(
node=child, lineno=new_node.lineno, parent=new_node
)
postinit_params[param] = cloned_child
new_node.postinit(**postinit_params)
return new_node
def _transform_formatted_value( # pylint: disable=inconsistent-return-statements
node: nodes.FormattedValue,
) -> nodes.FormattedValue | None:
if node.value and node.value.lineno == 1:
if node.lineno != node.value.lineno:
new_node = nodes.FormattedValue(
lineno=node.lineno, col_offset=node.col_offset, parent=node.parent
)
new_value = _clone_node_with_lineno(
node=node.value, lineno=node.lineno, parent=new_node
)
new_node.postinit(
value=new_value,
conversion=node.conversion,
format_spec=node.format_spec,
)
return new_node
# TODO: this fix tries to *patch* http://bugs.python.org/issue29051
# The problem is that FormattedValue.value, which is a Name node,
# has wrong line numbers, usually 1. This creates problems for pylint,
# which expects correct line numbers for things such as message control.
AstroidManager().register_transform(nodes.FormattedValue, _transform_formatted_value)