some new features

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

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+#  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)
+
+from holidays.groups import ChristianHolidays, IslamicHolidays, InternationalHolidays
+from holidays.observed_holiday_base import ObservedHolidayBase, SUN_TO_NEXT_MON
+
+
+class Burundi(ObservedHolidayBase, ChristianHolidays, InternationalHolidays, IslamicHolidays):
+    """Burundi holidays.
+
+    References:
+        * <https://web.archive.org/web/20240915030631/https://www.officeholidays.com/countries/burundi>
+
+    Note that holidays falling on a sunday maybe observed on the following Monday.
+    This depends on formal announcements by the government, which only happens close
+    to the date of the holiday.
+    """
+
+    country = "BI"
+    observed_label = "%s (observed)"
+    start_year = 1962
+
+    def __init__(self, *args, islamic_show_estimated: bool = True, **kwargs):
+        """
+        Args:
+            islamic_show_estimated:
+                Whether to add "estimated" label to Islamic holidays name
+                if holiday date is estimated.
+        """
+        ChristianHolidays.__init__(self)
+        InternationalHolidays.__init__(self)
+        IslamicHolidays.__init__(self, show_estimated=islamic_show_estimated)
+        kwargs.setdefault("observed_rule", SUN_TO_NEXT_MON)
+        super().__init__(*args, **kwargs)
+
+    def _populate_public_holidays(self):
+        # New Year's Day
+        self._add_observed(self._add_new_years_day("New Year's Day"))
+
+        # Unity Day
+        if self._year >= 1992:
+            self._add_observed(self._add_holiday_feb_5("Unity Day"))
+
+        # President Ntaryamira Day
+        if self._year >= 1995:
+            self._add_observed(self._add_holiday_apr_6("President Ntaryamira Day"))
+
+        # Labour Day
+        self._add_observed(self._add_labor_day("Labour Day"))
+
+        # Ascension Day
+        self._add_ascension_thursday("Ascension Day")
+
+        # President Nkurunziza Day
+        if self._year >= 2022:
+            self._add_observed(self._add_holiday_jun_8("President Nkurunziza Day"))
+
+        # Independence Day
+        self._add_observed(self._add_holiday_jul_1("Independence Day"))
+
+        # Assumption Day
+        self._add_observed(self._add_assumption_of_mary_day("Assumption Day"))
+
+        # Prince Louis Rwagasore Day
+        self._add_observed(self._add_holiday_oct_13("Prince Louis Rwagasore Day"))
+
+        # President Ndadaye's Day
+        if self._year >= 1994:
+            self._add_observed(self._add_holiday_oct_21("President Ndadaye's Day"))
+
+        # All Saints' Day
+        self._add_observed(self._add_all_saints_day("All Saints' Day"))
+
+        # Christmas Day
+        self._add_observed(self._add_christmas_day("Christmas Day"))
+
+        # Eid ul Fitr
+        for dt in self._add_eid_al_fitr_day("Eid ul Fitr"):
+            self._add_observed(dt)
+
+        # Eid al Adha
+        for dt in self._add_eid_al_adha_day("Eid al Adha"):
+            self._add_observed(dt)
+
+
+class BI(Burundi):
+    pass
+
+
+class BDI(Burundi):
+    pass