如何更改假期模块中观察到的假期？

Question

我是这个 python 假期图书馆的新手，所以对于我可能会问的任何琐碎问题，我提前表示歉意。

我的主要问题是我不确定如何在节假日修改 'observed' 值。只有在星期天，我才需要在星期一放假。我不需要周六放假。

文档似乎只有在我想完全而不是部分删除 'observed' 假期时才有解决方案。我的解决方法是创建一个 NewCountrysHolidays class 并用我想要的假期和观察到的状态填充它。我在下面附上了新 class 的代码。

我的新问题是当我执行 1-1-2015 in us_electric_holidays 时收到错误代码：'datetime.date' object is not callable，但它确实适用于我的数据的时间戳。当我使用我的数据时，我收到一个新错误 name 'SUN' is not defined。它似乎不承认 Weekdays 前。太阳和几个月前。十二月。我不知道为什么。

如果这太冗长，我深表歉意，但我很感激并感谢您对此问题的任何帮助。

问题背景：（如有兴趣）我是一名电气工程 Ph.D。电网专业的学生。我的任务之一是分析电力公司的数据。电力公司将假期定义为：

Holidays are New Year’s Day, President’s Day, Memorial Day, Independence Day, Labor Day, Veterans Day, Thanksgiving Day, and Christmas. When any holiday falls on a Sunday, the following Monday will be recognized as a holiday. However, no change will be made for holidays falling on a Saturday.

为了正确标记所有数据，我需要删除马丁路德金纪念日和哥伦布纪念日。然后从星期五假期中删除观察到的星期六。

我在下面的代码中实现了所有这些，但它不会运行。

假期代码class（很长，但 Whosebug 不允许我附加文件）：

import holidays
from datetime import date
from dateutil.relativedelta import relativedelta as rd


 class UsElectricHolidays(holidays.HolidayBase):
     def _populate(self, year):
         # New Year's Day
        if year > 1870:
            name = "New Year's Day"
            self[date(year, JAN, 1)] = name
            if self.observed and date(year, JAN, 1).weekday() == SUN:
                self[date(year, JAN, 1) + rd(days=+1)] = name + \
                    " (Observed)"

        # Washington's Birthday
        name = "Washington's Birthday"
        if year > 1970:
            self[date(year, FEB, 1) + rd(weekday=MO(+3))] = name
        elif year >= 1879:
            self[date(year, FEB, 22)] = name

        # Memorial Day
        if year > 1970:
            self[date(year, MAY, 31) + rd(weekday=MO(-1))] = "Memorial Day"
        elif year >= 1888:
            self[date(year, MAY, 30)] = "Memorial Day"

        # Independence Day
        if year > 1870:
            name = "Independence Day"
            self[date(year, JUL, 4)] = name
            if self.observed and date(year, JUL, 4).weekday() == SUN:
                self[date(year, JUL, 4) + rd(days=+1)] = name + " (Observed)"

        # Labor Day
        if year >= 1894:
            self[date(year, SEP, 1) + rd(weekday=MO)] = "Labor Day"

        # Veterans Day
        if year > 1953:
            name = "Veterans Day"
        else:
            name = "Armistice Day"
        if 1978 > year > 1970:
            self[date(year, OCT, 1) + rd(weekday=MO(+4))] = name
        elif year >= 1938:
            self[date(year, NOV, 11)] = name
            if self.observed \
                    and date(year, NOV, 11).weekday() == SUN:
                self[date(year, NOV, 11) + rd(days=+1)] = name + \
                    " (Observed)"

        # Thanksgiving
        if year > 1870:
            self[date(year, NOV, 1) + rd(weekday=TH(+4))] = "Thanksgiving"

        # Christmas Day
        if year > 1870:
            name = "Christmas Day"
            self[date(year, DEC, 25)] = "Christmas Day"
            if self.observed \
                    and date(year, DEC, 25).weekday() == SUN:
                self[date(year, DEC, 25) + rd(days=+1)] = name + \
                    " (Observed)"

 us_electric_holidays = UsElectricHolidays()

Answer 1

我正在处理同样的问题（电力的 NERC 假期）并看到了你的问题。到一个相关问题让我找到了一个更快的解决方案：只需将 nearest_workday 替换为 sunday_to_monday 就可以得到你需要的东西。

像这样：

class NERCHolidayCalendar(AbstractHolidayCalendar):
    rules = [
        Holiday('NewYearsDay', month=1, day=1, observance=sunday_to_monday),
        USMemorialDay,
        Holiday('USIndependenceDay', month=7, day=4, observance=sunday_to_monday),
        USLaborDay,
        USThanksgivingDay,
        Holiday('Christmas', month=12, day=25, observance=sunday_to_monday)
    ]

如何更改假期模块中观察到的假期？

How to change observed holidays in holidays module?

python

python-holidays