Function routes_from_urlconf

plugins/ast/python/src/lib.rs:228–246

Extract a route from a Django URLConf entry: `path("p/", view)`, `re_path(r"^p$", view)`, or legacy `url(...)`. Django doesn't bind a method at the URL layer, so we emit "ALL".

(expression: &Expression, routes: &mut Vec<Route>)

/// Extract a route from a Django URLConf entry: `path("p/", view)`, `re_path(r"^p$", view)`,
/// or legacy `url(...)`. Django doesn't bind a method at the URL layer, so we emit "ALL".
fn routes_from_urlconf(expression: &Expression, routes: &mut Vec<Route>) {
    let Expression::Call(CallExpression {
        func, arguments, ..
    }) = expression
    else {
        return;
    };

    if !matches!(call_leaf(func).as_deref(), Some("path" | "re_path" | "url")) {
        return;
    }

    if let Some(raw) = arguments.args.first().and_then(expr_string) {
        routes.push(Route {
            method: "ALL".into(),
            path: normalize_route(&raw),
        });
    }
}

/// Normalize a URLConf pattern to a leading-slash path, stripping regex anchors.
fn normalize_route(raw: &str) -> String {