Add Seychelles holidays

README.rst

@@ -142,7 +142,7 @@ Available Countries
 .. _ISO 639-1 code: https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
 .. _ISO 639-2 code: https://en.wikipedia.org/wiki/List_of_ISO_639-2_codes
 
-We currently support 144 country codes. The standard way to refer to a country
+We currently support 145 country codes. The standard way to refer to a country
 is by using its `ISO 3166-1 alpha-2 code`_, the same used for domain names, and
 for a subdivision its `ISO 3166-2 code`_. Some countries have common or foreign
 names or abbreviations as aliases for their subdivisions. These are defined in
@@ -751,6 +751,11 @@ All other default values are highlighted with bold:
      -
      - en_US, **sr**
      -
+   * - Seychelles
+     - SC
+     -
+     - **en_SC**, en_US
+     -
    * - Singapore
      - SG
      -

holidays/countries/__init__.py

@@ -126,6 +126,7 @@
 from .san_marino import SanMarino, SM, SMR
 from .saudi_arabia import SaudiArabia, SA, SAU
 from .serbia import Serbia, RS, SRB
+from .seychelles import Seychelles, SC, SYC
 from .singapore import Singapore, SG, SGP
 from .slovakia import Slovakia, SK, SVK
 from .slovenia import Slovenia, SI, SVN

holidays/countries/seychelles.py

@@ -0,0 +1,174 @@
+#  python-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: dr-prodigy <dr.prodigy.github@gmail.com> (c) 2017-2023
+#           ryanss <ryanssdev@icloud.com> (c) 2014-2017
+#  Website: https://github.com/dr-prodigy/python-holidays
+#  License: MIT (see LICENSE file)
+
+from gettext import gettext as tr
+
+from holidays.calendars.gregorian import JAN, MAR, MAY, SEP, OCT, DEC
+from holidays.groups import ChristianHolidays, InternationalHolidays, StaticHolidays
+from holidays.observed_holiday_base import ObservedHolidayBase, SUN_TO_NEXT_MON
+
+
+class Seychelles(ObservedHolidayBase, ChristianHolidays, InternationalHolidays):
+    """
+    https://www.psb.gov.sc/public-holidays
+    https://www.cbs.sc/PublicHolidays.html
+
+    [Act 19 of 1976, 1994 Amendment]
+        Oldest Seychelles Holidays Law available online in full.
+        https://seylii.org/akn/sc/act/1976/19/eng@2012-06-30
+    [Act 11 of 2014]
+        Holidays names changed.
+        https://seylii.org/akn/sc/act/2014/11/eng@2014-08-04
+    [Act 3 of 2017]
+        Added Easter Monday, repealing Liberation Day.
+        https://seylii.org/akn/sc/act/2017/3/eng@2017-04-12
+
+    Where any public holiday, except Sunday, falls on a Sunday the next following day,
+    not being itself a public holiday, shall be a public holiday.
+    """
+
+    country = "SC"
+    default_language = "en_SC"
+    # %s (observed).
+    observed_label = tr("%s (observed)")
+    supported_languages = ("en_SC", "en_US")
+
+    def __init__(self, *args, **kwargs):
+        ChristianHolidays.__init__(self)
+        InternationalHolidays.__init__(self)
+        StaticHolidays.__init__(self, SeychellesStaticHolidays)
+        kwargs.setdefault("observed_rule", SUN_TO_NEXT_MON)
+        super().__init__(*args, **kwargs)
+
+    def _populate_public_holidays(self):
+        # Earliest source is the 1994 amendment of Seychelles Public Holidays Act.
+        if self._year <= 1993:
+            return None
+
+        # New Year's Day.
+        self._add_new_years_day(tr("New Year's Day"))
+
+        # New Year Holiday.
+        self._add_observed(self._add_new_years_day_two(tr("New Year Holiday")))
+
+        # Good Friday.
+        self._add_good_friday(tr("Good Friday"))
+
+        # Easter Saturday.
+        self._add_holy_saturday(tr("Easter Saturday"))
+
+        if self._year >= 2017:
+            # Easter Monday.
+            self._add_easter_monday(tr("Easter Monday"))
+
+        # Labour Day.
+        self._add_observed(self._add_labor_day(tr("Labour Day")))
+
+        # The Fete Dieu.
+        self._add_corpus_christi_day(tr("The Fete Dieu"))
+
+        if self._year <= 2016:
+            # Liberation Day.
+            self._add_observed(self._add_holiday_jun_5(tr("Liberation Day")))
+
+        self._add_observed(
+            self._add_holiday_jun_18(
+                # National Day.
+                tr("National Day")
+                if self._year <= 2014
+                # Constitution Day.
+                else tr("Constitution Day")
+            )
+        )
+
+        self._add_observed(
+            self._add_holiday_jun_29(
+                # Independence Day.
+                tr("Independence Day")
+                if self._year <= 2014
+                # Independence (National) Day.
+                else tr("Independence (National) Day")
+            )
+        )
+
+        # Assumption Day.
+        self._add_observed(self._add_assumption_of_mary_day(tr("Assumption Day")))
+
+        # All Saints Day.
+        self._add_observed(self._add_all_saints_day(tr("All Saints Day")))
+
+        self._add_observed(
+            # The Feast of the Immaculate Conception.
+            self._add_immaculate_conception_day(tr("The Feast of the Immaculate Conception"))
+        )
+
+        # Christmas Day.
+        self._add_observed(self._add_christmas_day(tr("Christmas Day")))
+
+
+class SC(Seychelles):
+    pass
+
+
+class SYC(Seychelles):
+    pass
+
+
+class SeychellesStaticHolidays:
+    """
+    Sources:
+     - https://seylii.org/akn/sc/act/si/2015/58/eng@2015-12-01
+     - https://seylii.org/akn/sc/act/si/2015/59/eng@2015-12-11
+     - https://seylii.org/akn/sc/act/si/2016/58/eng@2016-09-06
+     - https://seylii.org/akn/sc/act/si/2019/10/eng@2019-03-05
+     - https://seylii.org/akn/sc/act/si/2019/61/eng@2019-10-18
+     - https://seylii.org/akn/sc/act/si/2020/134/eng@2020-09-17
+     - https://seylii.org/akn/sc/act/si/2020/154/eng@2020-10-26
+     - https://www.statehouse.gov.sc/news/1765/public-holiday-october-1
+     - https://www.egov.sc/PressRoom/DisplayPressRelease.aspx?PRLID=196
+     - https://www.nation.sc/archive/216478/saturday-may-12-2007-public-holiday
+
+    All Election Dates usually proceed from the Outer Islands first, then the Inner Islands, and
+    the main capital, Mahé, on the last day. The current implementation only uses the last day,
+    as officially decreed in 2007, 2011, 2015, and 2020.
+    """
+
+    # Bridge Public Holiday.
+    bridge_public_holiday = tr("Bridge Public Holiday")
+
+    # Presidential Election Day.
+    presidential_election_day = tr("Presidential Election Day")
+
+    # Parliamentary Election Day.
+    parliamentary_election_day = tr("Parliamentary Election Day")
+
+    # General Election Day.
+    general_election_day = tr("General Election Day")
+
+    special_public_holidays = {
+        2007: (MAY, 12, presidential_election_day),
+        2011: (
+            (MAY, 21, presidential_election_day),
+            (OCT, 1, parliamentary_election_day),
+        ),
+        2015: (
+            (DEC, 5, presidential_election_day),
+            (DEC, 18, presidential_election_day),
+        ),
+        2016: (SEP, 10, parliamentary_election_day),
+        # Funeral of the Former President France Albert René.
+        2019: (MAR, 7, tr("Funeral of the Former President France Albert René")),
+        2020: (
+            (JAN, 3, bridge_public_holiday),
+            (OCT, 24, general_election_day),
+            (OCT, 26, bridge_public_holiday),
+        ),
+    }

holidays/locale/en_SC/LC_MESSAGES/SC.po

@@ -0,0 +1,106 @@
+# Seychelles holidays.
+# Authors: PPsyrius <ppsyrius@ppsyrius.dev>, (c) 2024.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Python Holidays 0.45\n"
+"POT-Creation-Date: 2024-03-01 11:00+0700\n"
+"PO-Revision-Date: 2024-03-05 16:34+0700\n"
+"Last-Translator: PPsyrius <ppsyrius@ppsyrius.dev>\n"
+"Language-Team: Python Holidays localization team\n"
+"Language: en_SC\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Generated-By: Lingua 4.15.0\n"
+"X-Generator: Poedit 3.4.2\n"
+
+#. %s (observed).
+#, c-format
+msgid "%s (observed)"
+msgstr ""
+
+#. New Year's Day.
+msgid "New Year's Day"
+msgstr ""
+
+#. New Year Holiday.
+msgid "New Year Holiday"
+msgstr ""
+
+#. Good Friday.
+msgid "Good Friday"
+msgstr ""
+
+#. Easter Saturday.
+msgid "Easter Saturday"
+msgstr ""
+
+#. Easter Monday.
+msgid "Easter Monday"
+msgstr ""
+
+#. Labour Day.
+msgid "Labour Day"
+msgstr ""
+
+#. The Fete Dieu.
+msgid "The Fete Dieu"
+msgstr ""
+
+#. Liberation Day.
+msgid "Liberation Day"
+msgstr ""
+
+#. National Day.
+msgid "National Day"
+msgstr ""
+
+#. Constitution Day.
+msgid "Constitution Day"
+msgstr ""
+
+#. Independence Day.
+msgid "Independence Day"
+msgstr ""
+
+#. Independence (National) Day.
+msgid "Independence (National) Day"
+msgstr ""
+
+#. Assumption Day.
+msgid "Assumption Day"
+msgstr ""
+
+#. All Saints Day.
+msgid "All Saints Day"
+msgstr ""
+
+#. The Feast of the Immaculate Conception.
+msgid "The Feast of the Immaculate Conception"
+msgstr ""
+
+#. Christmas Day.
+msgid "Christmas Day"
+msgstr ""
+
+#. Bridge Public Holiday.
+msgid "Bridge Public Holiday"
+msgstr ""
+
+#. Presidential Election Day.
+msgid "Presidential Election Day"
+msgstr ""
+
+#. Parliamentary Election Day.
+msgid "Parliamentary Election Day"
+msgstr ""
+
+#. General Election Day.
+msgid "General Election Day"
+msgstr ""
+
+#. Funeral of the Former President France Albert René.
+msgid "Funeral of the Former President France Albert René"
+msgstr ""