some new features

.venv/lib/python3.12/site-packages/holidays/countries/sweden.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 gettext import gettext as tr
+
+from holidays.calendars.gregorian import _timedelta, _get_all_sundays
+from holidays.groups import ChristianHolidays, InternationalHolidays
+from holidays.holiday_base import HolidayBase
+
+
+class Sweden(HolidayBase, ChristianHolidays, InternationalHolidays):
+    """Sweden holidays.
+
+    References:
+        * <https://sv.wikipedia.org/wiki/Helgdagar_i_Sverige>
+        * <https://web.archive.org/web/20250414065223/https://www.riksdagen.se/sv/dokument-lagar/dokument/svensk-forfattningssamling/lag-1989253-om-allmanna-helgdagar_sfs-1989-253>
+        * <https://sv.wikipedia.org/wiki/Första_maj>
+        * <https://sv.wikipedia.org/wiki/Sveriges_nationaldag>
+        * <https://sv.wikipedia.org/wiki/Midsommarafton>
+
+
+    Note that holidays falling on a sunday is "lost", it will not be moved
+    to another day to make up for the collision.
+
+    In Sweden, ALL sundays are considered a holiday.
+    Initialize this class with `include_sundays=False` to not include sundays as a holiday.
+    """
+
+    country = "SE"
+    default_language = "sv"
+    supported_languages = ("en_US", "sv", "th", "uk")
+
+    def __init__(self, include_sundays: bool = True, *args, **kwargs):
+        """
+        Args:
+            include_sundays:
+                Whether to consider sundays as a holiday (which they are in Sweden)
+        """
+        self.include_sundays = include_sundays
+        ChristianHolidays.__init__(self)
+        InternationalHolidays.__init__(self)
+        super().__init__(*args, **kwargs)
+
+    def _populate_public_holidays(self):
+        # New Year's Day.
+        self._add_new_years_day(tr("Nyårsdagen"))
+
+        # Epiphany.
+        self._add_epiphany_day(tr("Trettondedag jul"))
+
+        if self._year <= 1953:
+            # Feast of the Annunciation.
+            self._add_holiday_mar_25(tr("Jungfru Marie bebådelsedag"))
+
+        # Good Friday.
+        self._add_good_friday(tr("Långfredagen"))
+
+        # Easter Sunday.
+        self._add_easter_sunday(tr("Påskdagen"))
+
+        # Easter Monday.
+        self._add_easter_monday(tr("Annandag påsk"))
+
+        if self._year >= 1939:
+            # May Day.
+            self._add_labor_day(tr("Första maj"))
+
+        # Ascension Day.
+        self._add_ascension_thursday(tr("Kristi himmelsfärdsdag"))
+
+        if self._year >= 2005:
+            # National Day of Sweden.
+            self._add_holiday_jun_6(tr("Sveriges nationaldag"))
+
+        # Whit Sunday.
+        self._add_whit_sunday(tr("Pingstdagen"))
+
+        if self._year <= 2004:
+            # Whit Monday.
+            self._add_whit_monday(tr("Annandag pingst"))
+
+        # Midsummer Eve.
+        name = tr("Midsommarafton")
+        dt = (
+            self._add_holiday_1st_fri_from_jun_19(name)
+            if self._year >= 1953
+            else self._add_holiday_jun_23(name)
+        )
+
+        # Midsummer Day.
+        self._add_holiday(tr("Midsommardagen"), _timedelta(dt, +1))
+
+        if self._year >= 1953:
+            # All Saints' Day.
+            self._add_holiday_1st_sat_from_oct_31(tr("Alla helgons dag"))
+
+        # Christmas Eve.
+        self._add_christmas_eve(tr("Julafton"))
+
+        # Christmas Day.
+        self._add_christmas_day(tr("Juldagen"))
+
+        # Second Day of Christmas.
+        self._add_christmas_day_two(tr("Annandag jul"))
+
+        # New Year's Eve.
+        self._add_new_years_eve(tr("Nyårsafton"))
+
+        # Optionally add all Sundays of the year.
+        if self.include_sundays:
+            for dt in _get_all_sundays(self._year):
+                # Sunday.
+                self._add_holiday(tr("Söndag"), dt)
+
+
+class SE(Sweden):
+    pass
+
+
+class SWE(Sweden):
+    pass