def _ensure_used_variables(
self,
local_variables: Mapping[str, List[_LocalVariable]],
) -> None:
for varname, usages in local_variables.items():
for node in usages:
if access.is_protected(varname):
self.add_violation(
naming.UnusedVariableIsUsedViolation(
node,
text=varname,
), )
def _check_variable_used(
self,
node: ast.AST,
assigned_name: Optional[str],
*,
is_created: bool,
) -> None:
if not assigned_name or not access.is_unused(assigned_name):
return
if not is_created:
self.add_violation(
naming.UnusedVariableIsUsedViolation(node,
text=assigned_name), )
def _check_variable_used(
self,
node: ast.AST,
assigned_name: Optional[str],
*,
is_created: bool,
) -> None:
if not assigned_name or not access.is_unused(assigned_name):
return
if assigned_name == '_': # This is a special case for django's
return # gettext and similar tools.
if not is_created:
self.add_violation(
naming.UnusedVariableIsUsedViolation(node,
text=assigned_name), )
def _check_variable_used(
self,
node: ast.AST,
assigned_name: str,
*,
is_created: bool,
) -> None:
if not access.is_unused(assigned_name):
return
if assigned_name == UNUSED_PLACEHOLDER:
# This is a special case for django's
# gettext and similar tools.
return
if not is_created:
self.add_violation(
naming.UnusedVariableIsUsedViolation(node,
text=assigned_name), )
