Update Ethiopia holidays (#1704)

vacanza · Mar 1, 2024 · 7443855 · 7443855
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diff --git a/holidays/countries/ethiopia.py b/holidays/countries/ethiopia.py
@@ -12,13 +12,19 @@
 from calendar import isleap
 from gettext import gettext as tr
 
-from holidays.calendars.gregorian import SEP
+from holidays.calendars import _CustomIslamicHolidays
+from holidays.calendars.gregorian import JAN, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV
 from holidays.calendars.julian import JULIAN_CALENDAR
 from holidays.groups import ChristianHolidays, InternationalHolidays, IslamicHolidays
 from holidays.holiday_base import HolidayBase
 
 
 class Ethiopia(HolidayBase, ChristianHolidays, InternationalHolidays, IslamicHolidays):
+    """
+    References:
+        - https://en.wikipedia.org/wiki/Public_holidays_in_Ethiopia
+    """
+
     country = "ET"
     default_language = "am"
     # %s (estimated).
@@ -27,80 +33,71 @@ class Ethiopia(HolidayBase, ChristianHolidays, InternationalHolidays, IslamicHol
 
     def _is_leap_year(self):
         """
-        Ethiopian leap years are coincident with leap years in the Gregorian
-        calendar until the end of February 2100. It starts earlier from new
-        year of western calendar.
-        Ethiopian leap year starts on Sep 11, so it has an effect on
-        holidays between Sep 11 and Jan 1. Therefore, here on the following
-        function we intentionally add 1 to the leap year to offset the
-        difference.
+        Ethiopian leap years are coincident with leap years in the Gregorian calendar until
+        the end of February 2100. It starts earlier from new year of western calendar.
+        Ethiopian leap year starts on Sep 11, so it has an effect on holidays between
+        Sep 11 and Jan 1. Therefore, here on the following function we intentionally add 1
+        to the leap year to offset the difference.
         """
         return isleap(self._year + 1)
 
     def __init__(self, *args, **kwargs):
         ChristianHolidays.__init__(self, JULIAN_CALENDAR)
         InternationalHolidays.__init__(self)
-        IslamicHolidays.__init__(self)
+        IslamicHolidays.__init__(self, EthiopiaIslamicHolidays)
         super().__init__(*args, **kwargs)
 
     def _populate_public_holidays(self):
-        # New Year's Day
-        # The Ethiopian New Year is called Kudus Yohannes in Ge'ez and
-        # Tigrinya, while in Amharic,
-        # the official language of Ethiopia it is called Enkutatash.
-        # It occurs on September 11 in the Gregorian Calendar;
-        # except for the year preceding a leap year, when it occurs on
-        # September 12.
-
-        # Ethiopian New Year.
-        self._add_holiday(tr("አዲስ ዓመት እንቁጣጣሽ"), SEP, 12 if self._is_leap_year() else 11)
-
-        # Finding of True Cross.
-        self._add_holiday(tr("መስቀል"), SEP, 28 if self._is_leap_year() else 27)
+        if self._year <= 1897:
+            return None
 
-        # Orthodox Christmas Day.
+        # Christmas Day.
         self._add_christmas_day(tr("ገና"))
 
-        # Orthodox Epiphany.
-        self._add_epiphany_day(tr("ጥምቀት"))
+        # Epiphany.
+        self._add_holiday(tr("ጥምቀት"), JAN, 20 if super()._is_leap_year() else 19)
 
-        # Orthodox Good Friday.
+        # Adwa Victory Day.
+        self._add_holiday_mar_2(tr("አድዋ"))
+
+        # Good Friday.
         self._add_good_friday(tr("ስቅለት"))
 
-        # Orthodox Easter Sunday.
+        # Easter Sunday.
         self._add_easter_sunday(tr("ፋሲካ"))
 
-        if self._year > 1896:
-            # Adwa Victory Day.
-            self._add_holiday_mar_2(tr("አድዋ"))
-
-        # Labor Day.
+        # Workers' Day.
         self._add_labor_day(tr("የሰራተኞች ቀን"))
 
-        if self._year > 1941:
-            # Patriots Day.
+        if self._year >= 1942:
+            # Patriots' Day.
             self._add_holiday_may_5(tr("የአርበኞች ቀን"))
 
-        if self._year > 1991:
+        if self._year >= 1992:
             # Downfall of Dergue Regime Day.
             self._add_holiday_may_28(tr("ደርግ የወደቀበት ቀን"))
 
-        if self._year < 1991 and self._year > 1974:
-            # Downfall of King Haile Selassie.
-            self._add_holiday(tr("ደርግ የመጣበት ቀን"), SEP, 13 if self._is_leap_year() else 12)
+        # Ethiopian New Year.
+        self._add_holiday(tr("እንቁጣጣሽ"), SEP, 12 if self._is_leap_year() else 11)
+
+        # Finding of True Cross.
+        self._add_holiday(tr("መስቀል"), SEP, 28 if self._is_leap_year() else 27)
+
+        if 1975 <= self._year <= 1990:
+            # Revolution Day.
+            self._add_holiday(tr("የአብዮት ቀን"), SEP, 13 if self._is_leap_year() else 12)
+
+            # October Revolution Day.
+            self._add_holiday_nov_7(tr("የጥቅምት አብዮት ቀን"))
 
         # Eid al-Fitr.
         self._add_eid_al_fitr_day(tr("ኢድ አልፈጥር"))
 
         # Eid al-Adha.
-        name = tr("አረፋ")
-        self._add_eid_al_adha_day(name)
-        self._add_eid_al_adha_day_two(name)
+        self._add_eid_al_adha_day(tr("አረፋ"))
 
         # Prophet's Birthday.
-        name = tr("መውሊድ")
-        self._add_mawlid_day(name)
-        self._add_mawlid_day_two(name)
+        self._add_mawlid_day(tr("መውሊድ"))
 
 
 class ET(Ethiopia):
@@ -109,3 +106,32 @@ class ET(Ethiopia):
 
 class ETH(Ethiopia):
     pass
+
+
+class EthiopiaIslamicHolidays(_CustomIslamicHolidays):
+    EID_AL_ADHA_DATES = {
+        2018: (AUG, 22),
+        2019: (AUG, 11),
+        2020: (JUL, 31),
+        2021: (JUL, 20),
+        2022: (JUL, 9),
+        2023: (JUN, 28),
+    }
+
+    EID_AL_FITR_DATES = {
+        2018: (JUN, 15),
+        2019: (JUN, 4),
+        2020: (MAY, 24),
+        2021: (MAY, 13),
+        2022: (MAY, 2),
+        2023: (APR, 21),
+    }
+
+    MAWLID_DATES = {
+        2018: (NOV, 21),
+        2019: (NOV, 10),
+        2020: (OCT, 29),
+        2021: (OCT, 18),
+        2022: (OCT, 8),
+        2023: (SEP, 27),
+    }
diff --git a/holidays/locale/am/LC_MESSAGES/ET.po b/holidays/locale/am/LC_MESSAGES/ET.po
@@ -3,60 +3,69 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Python Holidays 0.26\n"
+"Project-Id-Version: Python Holidays 0.44\n"
 "POT-Creation-Date: 2023-02-15 14:15-0800\n"
-"PO-Revision-Date: 2023-02-16 08:42-0800\n"
-"Last-Translator: Arkadii Yakovets <ark@cho.red>\n"
+"PO-Revision-Date: 2024-02-27 14:46+0200\n"
+"Last-Translator: ~Jhellico <jhellico@gmail.com>\n"
 "Language-Team: Python Holidays localization team\n"
 "Language: am\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Lingua 4.15.0\n"
-"X-Generator: Poedit 3.2.2\n"
+"X-Generator: Poedit 3.4.2\n"
 
-#. Ethiopian New Year.
-msgid "አዲስ ዓመት እንቁጣጣሽ"
-msgstr ""
-
-#. Finding of True Cross.
-msgid "መስቀል"
+#. %s (estimated).
+#, c-format
+msgid "%s (ግምት)"
 msgstr ""
 
-#. Orthodox Christmas Day.
+#. Christmas Day.
 msgid "ገና"
 msgstr ""
 
-#. Orthodox Epiphany.
+#. Epiphany.
 msgid "ጥምቀት"
 msgstr ""
 
-#. Orthodox Good Friday.
-msgid "ስቅለት"
+#. Adwa Victory Day.
+msgid "አድዋ"
 msgstr ""
 
-#. Orthodox Easter Sunday.
-msgid "ፋሲካ"
+#. Good Friday.
+msgid "ስቅለት"
 msgstr ""
 
-#. Adwa Victory Day.
-msgid "አድዋ"
+#. Easter Sunday.
+msgid "ፋሲካ"
 msgstr ""
 
-#. Labor Day.
+#. Workers' Day.
 msgid "የሰራተኞች ቀን"
 msgstr ""
 
-#. Patriots Day.
+#. Patriots' Day.
 msgid "የአርበኞች ቀን"
 msgstr ""
 
 #. Downfall of Dergue Regime Day.
 msgid "ደርግ የወደቀበት ቀን"
 msgstr ""
 
-#. Downfall of King Haile Selassie.
-msgid "ደርግ የመጣበት ቀን"
+#. Ethiopian New Year.
+msgid "እንቁጣጣሽ"
+msgstr ""
+
+#. Finding of True Cross.
+msgid "መስቀል"
+msgstr ""
+
+#. Revolution Day.
+msgid "የአብዮት ቀን"
+msgstr ""
+
+#. October Revolution Day.
+msgid "የጥቅምት አብዮት ቀን"
 msgstr ""
 
 #. Eid al-Fitr.
@@ -70,8 +79,3 @@ msgstr ""
 #. Prophet's Birthday.
 msgid "መውሊድ"
 msgstr ""
-
-#. %s (estimated).
-#, c-format
-msgid "%s (ግምት)"
-msgstr ""
diff --git a/holidays/locale/ar/LC_MESSAGES/ET.po b/holidays/locale/ar/LC_MESSAGES/ET.po
@@ -1,69 +1,73 @@
-# Ethiopia holidays ar localization (PoC).
+# Ethiopia holidays ar localization.
 # Authors: Arkadii Yakovets <ark@cho.red>, (c) 2023.
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Python Holidays 0.26\n"
-"POT-Creation-Date: 2023-05-20 18:48-0700\n"
-"PO-Revision-Date: 2023-05-20 18:51-0700\n"
-"Last-Translator: Arkadii Yakovets <ark@cho.red>\n"
+"Project-Id-Version: Python Holidays 0.44\n"
+"POT-Creation-Date: 2024-02-27 14:42+0200\n"
+"PO-Revision-Date: 2024-02-27 14:51+0200\n"
+"Last-Translator: ~Jhellico <jhellico@gmail.com>\n"
 "Language-Team: Python Holidays localization team\n"
 "Language: ar\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=6; plural=(n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 && n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5);\n"
 "Generated-By: Lingua 4.15.0\n"
-"X-Generator: Poedit 3.3.1\n"
+"X-Generator: Poedit 3.4.2\n"
 
 #. %s (estimated).
 #, c-format
 msgid "%s (ግምት)"
 msgstr "(تقدير) %s"
 
-#. Ethiopian New Year.
-msgid "አዲስ ዓመት እንቁጣጣሽ"
-msgstr "السنة الإثيوبية الجديدة"
-
-#. Finding of True Cross.
-msgid "መስቀል"
-msgstr "العثور على الصليب الحقيقي"
-
-#. Orthodox Christmas Day.
+#. Christmas Day.
 msgid "ገና"
 msgstr "عيد الميلاد"
 
-#. Orthodox Epiphany.
+#. Epiphany.
 msgid "ጥምቀት"
 msgstr "عيد الغطاس"
 
-#. Orthodox Good Friday.
+#. Adwa Victory Day.
+msgid "አድዋ"
+msgstr "العدوة"
+
+#. Good Friday.
 msgid "ስቅለት"
 msgstr "جمعة جيدة"
 
-#. Orthodox Easter Sunday.
+#. Easter Sunday.
 msgid "ፋሲካ"
 msgstr "عيد الفصح"
 
-#. Adwa Victory Day.
-msgid "አድዋ"
-msgstr "العدوة"
-
-#. Labor Day.
+#. Workers' Day.
 msgid "የሰራተኞች ቀን"
 msgstr "يوم العمال"
 
-#. Patriots Day.
+#. Patriots' Day.
 msgid "የአርበኞች ቀን"
 msgstr "يوم الوطنيين"
 
 #. Downfall of Dergue Regime Day.
 msgid "ደርግ የወደቀበት ቀን"
 msgstr "يوم سقوط ديرج"
 
-#. Downfall of King Haile Selassie.
-msgid "ደርግ የመጣበት ቀን"
-msgstr "اليوم الذي جاء فيه ديرج"
+#. Ethiopian New Year.
+msgid "እንቁጣጣሽ"
+msgstr "السنة الإثيوبية الجديدة"
+
+#. Finding of True Cross.
+msgid "መስቀል"
+msgstr "مسكل"
+
+#. Revolution Day.
+msgid "የአብዮት ቀን"
+msgstr "يوم الثورة"
+
+#. October Revolution Day.
+msgid "የጥቅምት አብዮት ቀን"
+msgstr "يوم ثورة أكتوبر"
 
 #. Eid al-Fitr.
 msgid "ኢድ አልፈጥር"