Add Latvian locale (#951)

Co-authored-by: Jad Chaar <jadchaar@users.noreply.github.com>
arrow-py · Apr 7, 2021 · 485d40b · 485d40b
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diff --git a/arrow/locales.py b/arrow/locales.py
@@ -4305,6 +4305,87 @@ def _format_timeframe(
         return _form.format(abs(delta))
 
 
+class LatvianLocale(Locale):
+
+    names = ["lv", "lv-lv"]
+
+    past = "pirms {0}"
+    future = "pēc {0}"
+    and_word = "un"
+
+    timeframes: ClassVar[Mapping[TimeFrameLiteral, Union[str, Mapping[str, str]]]] = {
+        "now": "tagad",
+        "second": "sekundes",
+        "seconds": "{0} sekundēm",
+        "minute": "minūtes",
+        "minutes": "{0} minūtēm",
+        "hour": "stundas",
+        "hours": "{0} stundām",
+        "day": "dienas",
+        "days": "{0} dienām",
+        "week": "nedēļas",
+        "weeks": "{0} nedēļām",
+        "month": "mēneša",
+        "months": "{0} mēnešiem",
+        "year": "gada",
+        "years": "{0} gadiem",
+    }
+
+    month_names = [
+        "",
+        "janvāris",
+        "februāris",
+        "marts",
+        "aprīlis",
+        "maijs",
+        "jūnijs",
+        "jūlijs",
+        "augusts",
+        "septembris",
+        "oktobris",
+        "novembris",
+        "decembris",
+    ]
+
+    month_abbreviations = [
+        "",
+        "jan",
+        "feb",
+        "marts",
+        "apr",
+        "maijs",
+        "jūnijs",
+        "jūlijs",
+        "aug",
+        "sept",
+        "okt",
+        "nov",
+        "dec",
+    ]
+
+    day_names = [
+        "",
+        "pirmdiena",
+        "otrdiena",
+        "trešdiena",
+        "ceturtdiena",
+        "piektdiena",
+        "sestdiena",
+        "svētdiena",
+    ]
+
+    day_abbreviations = [
+        "",
+        "pi",
+        "ot",
+        "tr",
+        "ce",
+        "pi",
+        "se",
+        "sv",
+    ]
+
+
 class SwahiliLocale(Locale):
 
     names = [

diff --git a/tests/test_locales.py b/tests/test_locales.py
@@ -1229,6 +1229,33 @@ def test_format_timeframe(self):
         assert self.locale._format_timeframe("years", 12) == "12 anos"
 
 
+@pytest.mark.usefixtures("lang_locale")
+class TestLatvianLocale:
+    def test_format_timeframe(self):
+        assert self.locale._format_timeframe("now", 0) == "tagad"
+        assert self.locale._format_timeframe("second", 1) == "sekundes"
+        assert self.locale._format_timeframe("seconds", 3) == "3 sekundēm"
+        assert self.locale._format_timeframe("seconds", 30) == "30 sekundēm"
+        assert self.locale._format_timeframe("minute", 1) == "minūtes"
+        assert self.locale._format_timeframe("minutes", 4) == "4 minūtēm"
+        assert self.locale._format_timeframe("minutes", 40) == "40 minūtēm"
+        assert self.locale._format_timeframe("hour", 1) == "stundas"
+        assert self.locale._format_timeframe("hours", 23) == "23 stundām"
+        assert self.locale._format_timeframe("day", 1) == "dienas"
+        assert self.locale._format_timeframe("days", 12) == "12 dienām"
+        assert self.locale._format_timeframe("month", 1) == "mēneša"
+        assert self.locale._format_timeframe("months", 2) == "2 mēnešiem"
+        assert self.locale._format_timeframe("months", 11) == "11 mēnešiem"
+        assert self.locale._format_timeframe("year", 1) == "gada"
+        assert self.locale._format_timeframe("years", 2) == "2 gadiem"
+        assert self.locale._format_timeframe("years", 12) == "12 gadiem"
+
+    def test_weekday(self):
+        dt = arrow.Arrow(2015, 4, 11, 17, 30, 00)
+        assert self.locale.day_name(dt.isoweekday()) == "sestdiena"
+        assert self.locale.day_abbreviation(dt.isoweekday()) == "se"
+
+
 @pytest.mark.usefixtures("lang_locale")
 class TestBrazilianPortugueseLocale:
     def test_format_timeframe(self):