Add Algeria holidays (#1176)

* Update holidays/countries/algeria.py Co-authored-by: ~Jhellico <KJhellico@users.noreply.github.com> * Added Algeria holidays * Update holidays/countries/algeria.py Co-authored-by: ~Jhellico <KJhellico@users.noreply.github.com> * Forgot to run make tox * Typo in holidays/countries/algeria.py Co-authored-by: ~Jhellico <KJhellico@users.noreply.github.com> * -Merged latest beta branch from remote repo and added new entry for Algeria in holidays/registry.py -Fixed typo in holidays/countries/algeria.py * Addressing issues from latest review --------- Co-authored-by: ~Jhellico <KJhellico@users.noreply.github.com>
vacanza · May 12, 2023 · 82bd403 · 82bd403
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diff --git a/README.rst b/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

diff --git a/holidays/countries/__init__.py b/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

diff --git a/holidays/countries/algeria.py b/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, InternationalHolidays, IslamicHolidays):
+    """
+    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 >= 1963:
+            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
diff --git a/holidays/registry.py b/holidays/registry.py
@@ -18,6 +18,7 @@
 
 COUNTRIES: RegistryDict = {
     "albania": ("Albania", "AL", "ALB"),
+    "algeria": ("Algeria", "DZ", "DZA"),
     "american_samoa": ("AmericanSamoa", "AS", "ASM", "HolidaysAS"),
     "andorra": ("Andorra", "AD", "AND"),
     "angola": ("Angola", "AO", "AGO"),

diff --git a/tests/countries/test_algeria.py b/tests/countries/test_algeria.py
@@ -0,0 +1,108 @@
+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",
+            "2022-01-12",
+            "2022-05-01",
+            "2022-05-02",
+            "2022-05-03",
+            "2022-07-05",
+            "2022-07-09",
+            "2022-07-10",
+            "2022-11-01",
+        )
+
+    def test_new_year_day(self):
+        self.assertHoliday(
+            "2022-01-01",
+            "2023-01-01",
+        )
+
+    def test_independence_day(self):
+        self.assertNoHoliday(
+            "1961-07-05",
+            "1962-07-04",
+        )
+        self.assertHoliday(
+            "1962-07-05",
+            "1963-07-05",
+        )
+
+    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",
+            "2023-01-12",
+        )
+
+    def test_labour_day(self):
+        self.assertNoHoliday(
+            "2021-05-02",
+            "2022-05-04",
+            "2023-05-02",
+        )
+        self.assertHoliday(
+            "2021-05-01",
+            "2022-05-01",
+            "2023-05-01",
+        )
+
+    def test_islamic_holidays(self):
+        # Eid al-Fitr - Feast Festive
+        self.assertNoHoliday("2023-04-20")
+        self.assertHoliday(
+            "2023-04-21",
+            "2023-04-22",
+        )
+
+        # Eid al-Adha - Scarfice Festive
+        self.assertNoHoliday(
+            "2023-06-27",
+            "2023-07-02",
+            "2024-07-15",
+            "2024-07-19",
+        )
+        self.assertHoliday(
+            "2023-06-28",
+            "2023-06-29",
+            "2023-06-30",
+            "2024-06-16",
+            "2024-06-17",
+            "2024-06-18",
+        )
+
+        # Islamic New Year
+        self.assertHoliday(
+            "2008-01-10",
+            "2008-12-29",
+            "2020-08-20",
+        )
+
+        # Ashura
+        self.assertNoHoliday("2023-07-29")
+        self.assertHoliday("2023-07-28")
+
+        # Mawlid / Prophet's Birthday
+        self.assertNoHoliday(
+            "2021-10-19",
+            "2023-09-28",
+        )
+        self.assertHoliday(
+            "2021-10-18",
+            "2023-09-27",
+        )