[3.1.x] Added support for the Tajik language.

Thanks Sirius Sufiew for contributing that support.

Backport of db8268bce6 from master

django/conf/global_settings.py

@@ -132,6 +132,7 @@ LANGUAGES = [
     ('sw', gettext_noop('Swahili')),
     ('ta', gettext_noop('Tamil')),
     ('te', gettext_noop('Telugu')),
+    ('tg', gettext_noop('Tajik')),
     ('th', gettext_noop('Thai')),
     ('tr', gettext_noop('Turkish')),
     ('tt', gettext_noop('Tatar')),

django/conf/locale/__init__.py

@@ -512,6 +512,12 @@ LANG_INFO = {
         'name': 'Telugu',
         'name_local': 'తెలుగు',
     },
+    'tg': {
+        'bidi': False,
+        'code': 'tg',
+        'name': 'Tajik',
+        'name_local': 'тоҷикӣ',
+    },
     'th': {
         'bidi': False,
         'code': 'th',

django/conf/locale/en/LC_MESSAGES/django.po

@@ -346,6 +346,10 @@ msgstr ""
 msgid "Telugu"
 msgstr ""
 
+#: conf/global_settings.py:133
+msgid "Tajik"
+msgstr ""
+
 #: conf/global_settings.py:134
 msgid "Thai"
 msgstr ""

django/conf/locale/tg/formats.py

@@ -0,0 +1,32 @@
+# This file is distributed under the same license as the Django package.
+#
+# The *_FORMAT strings use the Django date format syntax,
+# see https://docs.djangoproject.com/en/dev/ref/templates/builtins/#date
+DATE_FORMAT = 'j E Y г.'
+TIME_FORMAT = 'G:i'
+DATETIME_FORMAT = 'j E Y г. G:i'
+YEAR_MONTH_FORMAT = 'F Y г.'
+MONTH_DAY_FORMAT = 'j F'
+SHORT_DATE_FORMAT = 'd.m.Y'
+SHORT_DATETIME_FORMAT = 'd.m.Y H:i'
+FIRST_DAY_OF_WEEK = 1  # Monday
+
+# The *_INPUT_FORMATS strings use the Python strftime format syntax,
+# see https://docs.python.org/library/datetime.html#strftime-strptime-behavior
+DATE_INPUT_FORMATS = [
+    '%d.%m.%Y',  # '25.10.2006'
+    '%d.%m.%y',  # '25.10.06'
+]
+DATETIME_INPUT_FORMATS = [
+    '%d.%m.%Y %H:%M:%S',     # '25.10.2006 14:30:59'
+    '%d.%m.%Y %H:%M:%S.%f',  # '25.10.2006 14:30:59.000200'
+    '%d.%m.%Y %H:%M',        # '25.10.2006 14:30'
+    '%d.%m.%Y',              # '25.10.2006'
+    '%d.%m.%y %H:%M:%S',     # '25.10.06 14:30:59'
+    '%d.%m.%y %H:%M:%S.%f',  # '25.10.06 14:30:59.000200'
+    '%d.%m.%y %H:%M',        # '25.10.06 14:30'
+    '%d.%m.%y',              # '25.10.06'
+]
+DECIMAL_SEPARATOR = ','
+THOUSAND_SEPARATOR = '\xa0'  # non-breaking space
+NUMBER_GROUPING = 3

docs/releases/3.1.txt

@@ -296,7 +296,8 @@ Internationalization
   (string) value to explicitly state that the cookie is sent with all same-site
   and cross-site requests.
 
-* Added support and translations for the Algerian Arabic and Kyrgyz languages.
+* Added support and translations for the Algerian Arabic, Kyrgyz, and Tajik
+  languages.
 
 Management Commands
 ~~~~~~~~~~~~~~~~~~~

docs/spelling_wordlist

@@ -662,6 +662,7 @@ systemwide
 tablespace
 tablespaces
 tagline
+Tajik
 tarball
 tarballs
 teardown