some new features

.venv/lib/python3.12/site-packages/holidays/countries/eswatini.py

@@ -0,0 +1,93 @@
+#  holidays
+#  --------
+#  A fast, efficient Python library for generating country, province and state
+#  specific sets of holidays on the fly. It aims to make determining whether a
+#  specific date is a holiday as fast and flexible as possible.
+#
+#  Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+#           dr-prodigy <dr.prodigy.github@gmail.com> (c) 2017-2023
+#           ryanss <ryanssdev@icloud.com> (c) 2014-2017
+#  Website: https://github.com/vacanza/holidays
+#  License: MIT (see LICENSE file)
+
+import warnings
+
+from holidays.calendars.gregorian import JAN, DEC
+from holidays.groups import ChristianHolidays, InternationalHolidays, StaticHolidays
+from holidays.observed_holiday_base import ObservedHolidayBase, SUN_TO_NEXT_MON, SUN_TO_NEXT_TUE
+
+
+class Eswatini(ObservedHolidayBase, ChristianHolidays, InternationalHolidays, StaticHolidays):
+    """Eswatini holidays.
+
+    References:
+        * <https://web.archive.org/web/20171109031840/http://www.swazilii.org:80/sz/legislation/act/1938/71>
+        * <https://web.archive.org/web/20250413193851/https://www.officeholidays.com/countries/swaziland>
+    """
+
+    country = "SZ"
+    observed_label = "%s (observed)"
+    start_year = 1939
+
+    def __init__(self, *args, **kwargs):
+        ChristianHolidays.__init__(self)
+        InternationalHolidays.__init__(self)
+        StaticHolidays.__init__(self, cls=EswatiniStaticHolidays)
+        kwargs.setdefault("observed_rule", SUN_TO_NEXT_MON)
+        kwargs.setdefault("observed_since", 2021)
+        super().__init__(*args, **kwargs)
+
+    def _populate_public_holidays(self):
+        self._add_observed(self._add_new_years_day("New Year's Day"))
+
+        self._add_good_friday("Good Friday")
+
+        self._add_easter_monday("Easter Monday")
+
+        self._add_ascension_thursday("Ascension Day")
+
+        if self._year >= 1987:
+            self._add_observed(
+                apr_19 := self._add_holiday_apr_19("King's Birthday"),
+                rule=SUN_TO_NEXT_TUE if apr_19 == self._easter_sunday else SUN_TO_NEXT_MON,
+            )
+
+        if self._year >= 1969:
+            self._add_observed(
+                apr_25 := self._add_holiday_apr_25("National Flag Day"),
+                rule=SUN_TO_NEXT_TUE if apr_25 == self._easter_sunday else SUN_TO_NEXT_MON,
+            )
+
+        self._add_observed(self._add_labor_day("Worker's Day"))
+
+        if self._year >= 1983:
+            self._add_observed(self._add_holiday_jul_22("Birthday of Late King Sobhuza"))
+
+        self._add_observed(self._add_holiday_sep_6("Independence Day"))
+
+        self._add_observed(self._add_christmas_day("Christmas Day"), rule=SUN_TO_NEXT_TUE)
+
+        self._add_observed(self._add_christmas_day_two("Boxing Day"))
+
+
+class Swaziland(Eswatini):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn("Swaziland is deprecated, use Eswatini instead.", DeprecationWarning)
+
+        super().__init__(*args, **kwargs)
+
+
+class SZ(Eswatini):
+    pass
+
+
+class SZW(Eswatini):
+    pass
+
+
+class EswatiniStaticHolidays:
+    special_public_holidays = {
+        # https://web.archive.org/web/20250413193906/https://mg.co.za/article/1999-12-09-swaziland-declares-bank-holidays/
+        1999: (DEC, 31, "Y2K changeover"),
+        2000: (JAN, 3, "Y2K changeover"),
+    }