Function dotted

plugins/ast/python/src/lib.rs:584–592

Render a dotted name expression: `models.Model` -> "models.Model", `Base` -> "Base".

(expression: &Expression)

/// Render a dotted name expression: `models.Model` -> "models.Model", `Base` -> "Base".
fn dotted(expression: &Expression) -> Option<String> {
    match expression {
        Expression::Name(NameExpression { id, .. }) => Some(id.to_string()),
        Expression::Attribute(AttributeExpression { value, attr, .. }) => {
            Some(format!("{}.{}", dotted(value)?, attr.as_str()))
        }
        _ => None,
    }
}

/// Resolve a relationship/foreign-key target to a model name (`"User"`, `User`, `app.User`).
fn relation_target(expression: &Expression) -> Option<String> {