core.py 文件源码

def replace_vars(value, *, autonumify=False):
    if isinstance(value, dict):
        materialized = {}
        for k, v in value.items():
            materialized[k] = replace_vars(v)
        return materialized

    if isinstance(value, list):
        materialized = []
        for v in value:
            materialized.append(replace_vars(v))
        return materialized

    if type(value) is str:
        for var in re.findall("<<\\w+>>", value):
            k = var.replace('<<', '').replace('>>', '')
            nv = STORED_VARS[k] if k in STORED_VARS else None
            if nv is not None:
                value = value.replace(var, str(nv))

        if autonumify:
            try:
                return float(value)
            except Exception:
                pass

    return value