Add Odia (or) locale (#966)

* Add Odia (or) locale

* Fix formatting with black

* Improve Odia translation

* Add a few more tests

arrow/constants.py

@@ -122,4 +122,6 @@
     "ms",
     "ms-my",
     "ms-bn",
+    "or",
+    "or-in",
 }

arrow/locales.py

@@ -4800,3 +4800,94 @@ class MalayLocale(Locale):
         "Sabtu",
         "Ahad ",
     ]
+
+
+class OdiaLocale(Locale):
+
+    names = ["or", "or-in"]
+
+    past = "{0} ପୂର୍ବେ"
+    future = "{0} ପରେ"
+
+    timeframes = {
+        "now": "ବର୍ତ୍ତମାନ",
+        "second": "ଏକ ସେକେଣ୍ଡ",
+        "seconds": "{0} ସେକେଣ୍ଡ",
+        "minute": "ଏକ ମିନଟ",
+        "minutes": "{0} ମିନଟ",
+        "hour": "ଏକ ଘଣ୍ଟା",
+        "hours": "{0} ଘଣ୍ଟା",
+        "day": "ଏକ ଦିନ",
+        "days": "{0} ଦିନ",
+        "month": "ଏକ ମାସ",
+        "months": "{0} ମାସ ",
+        "year": "ଏକ ବର୍ଷ",
+        "years": "{0} ବର୍ଷ",
+    }
+
+    meridians = {"am": "ପୂର୍ବାହ୍ନ", "pm": "ଅପରାହ୍ନ", "AM": "ପୂର୍ବାହ୍ନ", "PM": "ଅପରାହ୍ନ"}
+
+    month_names = [
+        "",
+        "ଜାନୁଆରୀ",
+        "ଫେବୃଆରୀ",
+        "ମାର୍ଚ୍ଚ୍",
+        "ଅପ୍ରେଲ",
+        "ମଇ",
+        "ଜୁନ୍",
+        "ଜୁଲାଇ",
+        "ଅଗଷ୍ଟ",
+        "ସେପ୍ଟେମ୍ବର",
+        "ଅକ୍ଟୋବର୍",
+        "ନଭେମ୍ବର୍",
+        "ଡିସେମ୍ବର୍",
+    ]
+    month_abbreviations = [
+        "",
+        "ଜାନୁ",
+        "ଫେବୃ",
+        "ମାର୍ଚ୍ଚ୍",
+        "ଅପ୍ରେ",
+        "ମଇ",
+        "ଜୁନ୍",
+        "ଜୁଲା",
+        "ଅଗ",
+        "ସେପ୍ଟେ",
+        "ଅକ୍ଟୋ",
+        "ନଭେ",
+        "ଡିସେ",
+    ]
+
+    day_names = [
+        "",
+        "ସୋମବାର",
+        "ମଙ୍ଗଳବାର",
+        "ବୁଧବାର",
+        "ଗୁରୁବାର",
+        "ଶୁକ୍ରବାର",
+        "ଶନିବାର",
+        "ରବିବାର",
+    ]
+    day_abbreviations = [
+        "",
+        "ସୋମ",
+        "ମଙ୍ଗଳ",
+        "ବୁଧ",
+        "ଗୁରୁ",
+        "ଶୁକ୍ର",
+        "ଶନି",
+        "ରବି",
+    ]
+
+    def _ordinal_number(self, n: int) -> str:
+        if n > 10 or n == 0:
+            return f"{n}ତମ"
+        if n in [1, 5, 7, 8, 9, 10]:
+            return f"{n}ମ"
+        if n in [2, 3]:
+            return f"{n}ୟ"
+        if n == 4:
+            return f"{n}ର୍ଥ"
+        if n == 6:
+            return f"{n}ଷ୍ଠ"
+        return ""

tests/test_arrow.py

@@ -2380,6 +2380,8 @@ def locale_list_no_weeks():
         "ms",
         "ms-my",
         "ms-bn",
+        "or",
+        "or-in",
     ]
 
     return tested_langs

tests/test_locales.py

@@ -1549,3 +1549,38 @@ def test_plurals(self):
         assert self.locale._format_timeframe("months", 11) == "11 månader"
         assert self.locale._format_timeframe("year", 1) == "ett år"
         assert self.locale._format_timeframe("years", 12) == "12 år"
+
+
+@pytest.mark.usefixtures("lang_locale")
+class TestOdiaLocale:
+    def test_ordinal_number(self):
+        assert self.locale._ordinal_number(0) == "0ତମ"
+        assert self.locale._ordinal_number(1) == "1ମ"
+        assert self.locale._ordinal_number(3) == "3ୟ"
+        assert self.locale._ordinal_number(4) == "4ର୍ଥ"
+        assert self.locale._ordinal_number(5) == "5ମ"
+        assert self.locale._ordinal_number(6) == "6ଷ୍ଠ"
+        assert self.locale._ordinal_number(10) == "10ମ"
+        assert self.locale._ordinal_number(11) == "11ତମ"
+        assert self.locale._ordinal_number(42) == "42ତମ"
+        assert self.locale._ordinal_number(-1) == ""
+
+    def test_format_timeframe(self):
+
+        assert self.locale._format_timeframe("hours", 2) == "2 ଘଣ୍ଟା"
+        assert self.locale._format_timeframe("hour", 0) == "ଏକ ଘଣ୍ଟା"
+
+    def test_format_relative_now(self):
+
+        result = self.locale._format_relative("ବର୍ତ୍ତମାନ", "now", 0)
+        assert result == "ବର୍ତ୍ତମାନ"
+
+    def test_format_relative_past(self):
+
+        result = self.locale._format_relative("ଏକ ଘଣ୍ଟା", "hour", 1)
+        assert result == "ଏକ ଘଣ୍ଟା ପରେ"
+
+    def test_format_relative_future(self):
+
+        result = self.locale._format_relative("ଏକ ଘଣ୍ଟା", "hour", -1)
+        assert result == "ଏକ ଘଣ୍ଟା ପୂର୍ବେ"