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    use std::collections::HashMap;
    use tera::{Tera, try_get_value};
    use serde_json::value::{to_value, Value};

    pub fn do_nothing_filter(value: &Value, _: &HashMap<String, Value>) -> tera::Result<Value> {
        let s = try_get_value!("do_nothing_filter", "value", String, value);
        Ok(to_value(&s).unwrap())
    }

    pub fn init_tera(path: &str) -> Tera {
        let tpl_path = format!("{}/**/*",&path);
        let mut tera = match Tera::new(&tpl_path) {
            Ok(t) => {
                println!("Templates loaded from: {}",&tpl_path);
                log::info!("Templates loaded from: {}",&tpl_path);
                t
            },
            Err(e) => {
                println!("Tempates from {} parsing error(s): {}",&tpl_path, e);
                ::std::process::exit(1);
            }
        };
        tera.autoescape_on(vec![]);
        tera.register_filter("do_nothing", do_nothing_filter);
        tera
    }