Add Algeria holidays

.pre-commit-config.yaml

@@ -38,7 +38,7 @@ repos:
         exclude: ^(docs|holidays/countries/__init__.py|scripts/l10n/msgfmt.py)
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.2.0
+    rev: v1.3.0
     hooks:
       - id: mypy
         additional_dependencies: [types-all]

README.rst

@@ -107,7 +107,7 @@ Available Countries
 .. _ISO 3166-1 alpha-2 code: https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes
 .. _ISO 3166-2 code: https://en.wikipedia.org/wiki/ISO_3166-2
 
-We currently support 121 country codes. The standard way to refer to a country
+We currently support 122 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`_. The following countries and
 subdivisions are available:
@@ -123,6 +123,9 @@ subdivisions are available:
    * - Albania
      - AL
      - None
+   * - Algeria
+     - DZ
+     - None
    * - American Samoa
      - AS
      - None; Can also be loaded as country US, subdivision AS

holidays/countries/__init__.py

@@ -10,6 +10,7 @@
 #  License: MIT (see LICENSE file)
 
 from .albania import Albania, AL, ALB
+from .algeria import Algeria, DZ, DZA
 from .american_samoa import AmericanSamoa, AS, ASM, HolidaysAS
 from .andorra import Andorra, AD, AND
 from .angola import Angola, AO, AGO

holidays/countries/algeria.py

@@ -0,0 +1,70 @@
+from holidays.constants import JAN, JUL, NOV
+from holidays.holiday_base import HolidayBase
+from holidays.holiday_groups import IslamicHolidays, InternationalHolidays
+
+
+class Algeria(HolidayBase, IslamicHolidays, InternationalHolidays):
+    """
+    References:
+      - https://en.wikipedia.org/wiki/Public_holidays_in_Algeria
+    """
+
+    country = "DZ"
+
+    def __init__(self, *args, **kwargs):
+        InternationalHolidays.__init__(self)
+        IslamicHolidays.__init__(self)
+        super().__init__(*args, **kwargs)
+
+    def _populate(self, year):
+        super()._populate(year)
+
+        # New Year's Day.
+        self._add_new_years_day("New Year's Day")
+
+        # Amazigh New Year / Yennayer
+        # In January 2018, Algeria declared Yennayer a national holiday
+        if year >= 2018:
+            self._add_holiday("Amazigh New Year", JAN, 12)
+
+        # Labour Day
+        self._add_labor_day("Labour Day")
+
+        # Independence Day
+        if year >= 1962:
+            self._add_holiday("Independence Day", JUL, 5)
+
+        # Revolution Day
+        if year > 1962:
+            self._add_holiday("Revolution Day", NOV, 1)
+
+        # Islamic New Year
+        self._add_islamic_new_year_day("Islamic New Year")
+
+        # Ashura
+        self._add_ashura_day("Ashura Day")
+
+        # Mawlid / Prophet's Birthday
+        self._add_mawlid_day("Prophet's Birthday")
+
+        # As of April 30, 2023. Algeria has 3 days of Eid holidays
+        # (https://www.horizons.dz/english/archives/amp/12021)
+        # Eid al-Fitr - Feast Festive
+        self._add_eid_al_fitr_day("Eid al-Fitr")
+        self._add_eid_al_fitr_day_two("Eid al-Fitr Holiday")
+        if year >= 2024:
+            self._add_eid_al_fitr_day_three("Eid al-Fitr Holiday")
+
+        # Eid al-Adha - Scarfice Festive
+        self._add_eid_al_adha_day("Eid al-Adha")
+        self._add_eid_al_adha_day_two("Eid al-Adha Holiday")
+        if year >= 2023:
+            self._add_eid_al_adha_day_three("Eid al-Adha Holiday")
+
+
+class DZ(Algeria):
+    pass
+
+
+class DZA(Algeria):
+    pass

tests/countries/test_algeria.py

@@ -0,0 +1,72 @@
+from holidays.countries.algeria import Algeria, DZ, DZA
+from tests.common import TestCase
+
+
+class TestAlgeria(TestCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass(Algeria)
+
+    def test_country_aliases(self):
+        self.assertCountryAliases(Algeria, DZ, DZA)
+
+    def test_2022(self):
+        self.assertHoliday("2022-01-01")
+        self.assertHoliday("2022-01-12")
+        self.assertHoliday("2022-05-01")
+        self.assertHoliday("2022-05-02")
+        self.assertHoliday("2022-05-03")
+        self.assertHoliday("2022-07-05")
+        self.assertHoliday("2022-07-09")
+        self.assertHoliday("2022-07-10")
+        self.assertHoliday("2022-11-01")
+
+    def test_new_year_day(self):
+        self.assertHoliday("2022-01-01", "2023-01-01")
+
+    def test_independance_day(self):
+        self.assertNoHoliday("1961-07-05")
+        self.assertHoliday("1962-07-05")
+
+    def test_revolution_day(self):
+        self.assertNoHoliday("1962-11-01")
+        self.assertHoliday("1963-11-01")
+
+    def test_amazigh_new_year(self):
+        self.assertNoHoliday("2017-01-12")
+        self.assertHoliday("2018-01-12")
+        self.assertHoliday("2023-01-12")
+
+    def test_labour_day(self):
+        self.assertHoliday("2021-05-01")
+        self.assertHoliday("2022-05-01")
+        self.assertHoliday("2023-05-01")
+        self.assertNoHoliday("2023-05-02")
+
+    def test_islamic_holidays(self):
+        # Eid al-Fitr - Feast Festive
+        self.assertHoliday("2023-04-21")
+        self.assertHoliday("2023-04-22")
+        self.assertNoHoliday("2023-04-23")
+
+        # Eid al-Adha - Scarfice Festive
+        self.assertHoliday("2023-06-29")
+        self.assertHoliday("2023-06-30")
+        self.assertHoliday("2023-06-28")
+        self.assertNoHoliday("2023-07-02")
+
+        # Islamic New Year
+        self.assertHoliday(
+            "2008-01-10",
+            "2008-12-29",
+            "2020-08-20",
+        )
+        # Ashura
+        self.assertHoliday("2023-07-28")
+        self.assertNoHoliday("2023-07-29")
+
+        # Mawlid / Prophet's Birthday
+        self.assertHoliday("2021-10-18")
+        self.assertHoliday("2023-09-27")
+        self.assertNoHoliday("2021-10-19")
+        self.assertNoHoliday("2023-09-28")