__init__.py 文件源码

def _create_hyp_class(attrs_and_strategy):
    """
    A helper function for Hypothesis to generate attrs classes.

    The result is a tuple: an attrs class, and a tuple of values to
    instantiate it.
    """
    def key(t):
        return t[0].default is not NOTHING
    attrs_and_strat = sorted(attrs_and_strategy, key=key)
    attrs = [a[0] for a in attrs_and_strat]
    for i, a in enumerate(attrs):
        a.counter = i
    vals = tuple((a[1]) for a in attrs_and_strat)
    return st.tuples(
        st.just(make_class('HypClass',
                           OrderedDict(zip(gen_attr_names(), attrs)))),
        st.tuples(*vals))