How to use list_modificator method in tox

Best Python code snippet using tox_python

_quickstart.py

Source:_quickstart.py

...66def boolean(x):67    if x.upper() not in ("Y", "YES", "N", "NO"):68        raise ValidationError("Please enter either 'y' or 'n'.")69    return x.upper() in ("Y", "YES")70def list_modificator(answer, existing=None):71    if not existing:72        existing = []73    if not isinstance(existing, list):74        existing = [existing]75    if not answer:76        return existing77    existing.extend([t.strip() for t in answer.split(",") if t.strip()])78    return existing79def do_prompt(map_, key, text, default=None, validator=nonempty, modificator=None):80    while True:81        prompt = "> {} [{}]: ".format(text, default) if default else "> {}: ".format(text)82        answer = six.moves.input(prompt)83        if default and not answer:84            answer = default...

test_quickstart.py

Source:test_quickstart.py

...95    def __init__(self, name, exp=None):96        self.name = name97        exp = exp or self.STANDARD_EPECTATIONS98        # NOTE extra mangling here ensures formatting is the same in file and exp99        map_ = {"deps": list_modificator(exp[1]), "commands": list_modificator(exp[2])}100        post_process_input(map_)101        map_["envlist"] = exp[0]102        self.content = prepare_content(QUICKSTART_CONF.format(**map_))103    def __str__(self):104        return self.name105@pytest.mark.usefixtures("work_in_clean_dir")106@pytest.mark.parametrize(107    argnames="answers, exp, cnf",108    ids=lambda param: str(param),109    argvalues=(110        (111            _answers([4, "Y", "Y", "Y", "Y", "Y", "N", "pytest", "pytest"]),112            _exp(113                "choose versions individually and use pytest",...

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