recipe-578245.py 文件源码

python
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项目:code 作者: ActiveState 项目源码 文件源码
def dateformats():
    "Yield all combinations of valid date formats."

    years = ("%Y",)
    months = ("%b", "%B")
    days = ("%d",)
    times = ("%I%p", "%I:%M%p", "%H:%M", "")

    for year in years:
        for month in months:
            for day in days:
                for args in ((day, month), (month, day)):
                    date = " ".join(args)
                    for time in times:
                        for combo in permutations([year, date, time]):
                            yield " ".join(combo).strip()
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