definition.py 文件源码

def interpolate_value(value: str, context: dict):
    """Expand Jinja templating in the definitions."""

    if type(value) == str and "{{" in value:
        t = jinja2.Template(value, undefined=jinja2.StrictUndefined)
        try:
            v = t.render(**context)
        except jinja2.exceptions.TemplateError as e:
            raise RuntimeError("Could not expand template value: {}".format(value)) from e

        # Jinja template rendering does not have explicit int support,
        # so we have this hack in place
        try:
            v = int(v)
        except ValueError:
            pass

        return v
    else:
        return value