def _populate()

in python/prophet/hdays.py [0:0]


    def _populate(self, year):
        # New Year's Day
        name = "New Year's Day"
        self[date(year, 1, 1)] = name

        # Eid al-Fitr
        name = "Eid al-Fitr"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 6, 15)[0]
            y1, m1, d1 = to_gregorian(islam_year, 9, 29)
            y2, m2, d2 = to_gregorian(
                islam_year, 9, 30
            )  # Note: Ramadan day count is determined by Moon Sighting
            y3, m3, d3 = to_gregorian(islam_year, 10, 1)
            y4, m4, d4 = to_gregorian(islam_year, 10, 2)
            y5, m5, d5 = to_gregorian(islam_year, 10, 3)
            if y1 == year:
                self[date(y1, m1, d1)] = name
            if y2 == year:
                self[date(y2, m2, d2)] = name
            if y3 == year:
                self[date(y3, m3, d3)] = name
            if y4 == year:
                self[date(y4, m4, d4)] = name
            if y5 == year:
                self[date(y5, m5, d5)] = name

        # Day of Arafah
        name = "Day of Arafah"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 8, 22)[0]
            y, m, d = to_gregorian(islam_year, 12, 9)
            if y == year:
                self[date(y, m, d)] = name

        # Feast of the Sacrifice
        name = "Feast of the Sacrifice"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 8, 22)[0]
            y1, m1, d1 = to_gregorian(islam_year, 12, 10)
            y2, m2, d2 = to_gregorian(islam_year, 12, 11)
            y3, m3, d3 = to_gregorian(islam_year, 12, 12)
            if y1 == year:
                self[date(y1, m1, d1)] = name
            if y2 == year:
                self[date(y2, m2, d2)] = name
            if y3 == year:
                self[date(y3, m3, d3)] = name

        # Islamic New Year
        name = "Islamic New Year"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 9, 11)[0]
            y, m, d = to_gregorian(islam_year + 1, 1, 1)
            if y == year:
                self[date(y, m, d)] = name

        # Commemoration Day
        name = "Commemoration Day"
        self[date(year, 11, 30)] = name

        # National Day
        name = "National Day"
        self[date(year, 12, 2)] = name
        self[date(year, 12, 3)] = name