__init__.py 文件源码

def get_operator(op):
    if not op: return None

    if "ge" in op or ">=" in op:
        opr = operator.__ge__
    elif "gt" in op or ">" in op:
        opr = operator.__gt__
    elif "le" in op or "<=" in op:
        opr = operator.__le__
    elif "lt" in op or "<" in op:
        opr = operator.__lt__
    elif "eq" in op or "=" in op or "==" in op:
        opr = operator.eq
    elif "ne" in op or "!=" in op or "<>" in op:
        opr = operator.ne
    return opr