__init__.py 文件源码

def str_attrs(draw, defaults=None):
    """
    Generate a tuple of an attribute and a strategy that yields strs for that
    attribute.
    """
    default = NOTHING
    if defaults is True or (defaults is None and draw(st.booleans())):
        default = draw(st.text())
    return ((attr.ib(default=default), st.text()))