rewrite: Update Babel.

New default locale resolution.
Added translation utilities for common tasks.

src/babel/__init__.py

@@ -1,5 +1,7 @@
 from .translator import SOURCE_LOCALE, LeoBabel, LocalBabel, LazyStr, ctx_locale, ctx_translator
 
+babel = LocalBabel('babel')
+
 
 async def setup(bot):
     from .cog import BabelCog

src/babel/cog.py

@@ -19,8 +19,8 @@ from settings.groups import SettingGroup
 from core.data import CoreData
 
 from .translator import ctx_locale, ctx_translator, LocalBabel, SOURCE_LOCALE
+from . import babel
 
-babel = LocalBabel('babel')
 _ = babel._
 _p = babel._p
 

src/babel/translator.py

@@ -39,6 +39,9 @@ class LeoBabel(Translator):
         self.supported_domains = {dom for dom in stripped if dom}
 
     async def load(self):
+        self._load()
+
+    def _load(self):
         """
         Initialise the gettext translators for the supported_locales.
         """
@@ -75,7 +78,7 @@ class LeoBabel(Translator):
 
     def t(self, lazystr, locale=None):
         domain = lazystr.domain
-        translator = self.get_translator(locale or lazystr.locale, domain)
+        translator = self.get_translator(locale or lazystr.locale or ctx_locale.get(), domain)
         return lazystr._translate_with(translator)
 
     async def translate(self, string: locale_str, locale: Locale, context):
@@ -130,7 +133,7 @@ class LazyStr(locale_str):
         self.method = method
         self.args = args
         self.domain = domain
-        self.locale = locale or ctx_locale.get()
+        self.locale = locale
 
     @property
     def message(self):

src/babel/utils.py

@@ -0,0 +1,20 @@
+from .translator import ctx_translator
+from . import babel
+
+_, _p, _np = babel._, babel._p, babel._np
+
+
+MONTHS = _p(
+    'utils|months',
+    "January,February,March,April,May,June,July,August,September,October,November,December"
+)
+
+SHORT_MONTHS = _p(
+    'utils|short_months',
+    "Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec"
+)
+
+
+def local_month(month, short=False):
+    string = MONTHS if not short else SHORT_MONTHS
+    return ctx_translator.get().t(string).split(',')[month-1]