@Nullable
public static String extractDeprecationMessage(List<PyStatement> statements) {
for (PyStatement statement : statements) {
if (statement instanceof PyExpressionStatement) {
PyExpressionStatement expressionStatement = (PyExpressionStatement) statement;
if (expressionStatement.getExpression() instanceof PyCallExpression) {
PyCallExpression callExpression = (PyCallExpression) expressionStatement.getExpression();
if (callExpression.isCalleeText(PyNames.WARN)) {
PyReferenceExpression warningClass =
callExpression.getArgument(1, PyReferenceExpression.class);
if (warningClass != null
&& (PyNames.DEPRECATION_WARNING.equals(warningClass.getReferencedName())
|| PyNames.PENDING_DEPRECATION_WARNING.equals(
warningClass.getReferencedName()))) {
return PyPsiUtils.strValue(callExpression.getArguments()[0]);
}
}
}
}
}
return null;
}
@Override
public void visitPyReferenceExpression(PyReferenceExpression node) {
super.visitPyReferenceExpression(node);
final PsiElement result = node.getReference().resolve();
if (result != null && PsiTreeUtil.getParentOfType(result, ScopeOwner.class) == myScope) {
if (result instanceof PyParameter && myScope instanceof PyFunction) {
final PyFunction function = (PyFunction) myScope;
final PyParameter[] parameters = function.getParameterList().getParameters();
if (parameters.length > 0 && result == parameters[0]) {
final PyFunction.Modifier modifier = function.getModifier();
if (modifier != PyFunction.Modifier.STATICMETHOD) {
// 'self' is not a local scope dependency
return;
}
}
}
hasLocalScopeDependencies = true;
}
}