Remove explicit transaction handling

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/lang/models.py

@@ -18,7 +18,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-from django.db import models, transaction
+from django.db import models
 from django.utils.translation import ugettext as _
 from django.utils.safestring import mark_safe
 from translate.lang.data import languages
@@ -190,62 +190,60 @@ class LanguageManager(models.Manager):
 
         # Languages from ttkit
         for code, props in languages.items():
-            with transaction.commit_on_success():
-                lang, created = Language.objects.get_or_create(
-                    code=code
-                )
+            lang, created = Language.objects.get_or_create(
+                code=code
+            )
 
-                # Should we update existing?
-                if not update and not created:
-                    continue
+            # Should we update existing?
+            if not update and not created:
+                continue
 
-                # Set language name
-                lang.name = props[0].split(';')[0]
-                lang.fixup_name()
+            # Set language name
+            lang.name = props[0].split(';')[0]
+            lang.fixup_name()
 
-                # Set number of plurals and equation
-                lang.nplurals = props[1]
-                lang.pluralequation = props[2].strip(';')
-                lang.fixup_plurals()
+            # Set number of plurals and equation
+            lang.nplurals = props[1]
+            lang.pluralequation = props[2].strip(';')
+            lang.fixup_plurals()
 
-                # Set language direction
-                lang.set_direction()
+            # Set language direction
+            lang.set_direction()
 
-                # Get plural type
-                lang.plural_type = get_plural_type(
-                    lang.code,
-                    lang.pluralequation
-                )
+            # Get plural type
+            lang.plural_type = get_plural_type(
+                lang.code,
+                lang.pluralequation
+            )
 
-                # Save language
-                lang.save()
+            # Save language
+            lang.save()
 
         # Create Weblate extra languages
         for props in data.EXTRALANGS:
-            with transaction.commit_on_success():
-                lang, created = Language.objects.get_or_create(
-                    code=props[0]
-                )
-
-                # Should we update existing?
-                if not update and not created:
-                    continue
-
-                lang.name = props[1]
-                lang.nplurals = props[2]
-                lang.pluralequation = props[3]
-
-                if props[0] in data.RTL_LANGS:
-                    lang.direction = 'rtl'
-                else:
-                    lang.direction = 'ltr'
-
-                # Get plural type
-                lang.plural_type = get_plural_type(
-                    lang.code,
-                    lang.pluralequation
-                )
-                lang.save()
+            lang, created = Language.objects.get_or_create(
+                code=props[0]
+            )
+
+            # Should we update existing?
+            if not update and not created:
+                continue
+
+            lang.name = props[1]
+            lang.nplurals = props[2]
+            lang.pluralequation = props[3]
+
+            if props[0] in data.RTL_LANGS:
+                lang.direction = 'rtl'
+            else:
+                lang.direction = 'ltr'
+
+            # Get plural type
+            lang.plural_type = get_plural_type(
+                lang.code,
+                lang.pluralequation
+            )
+            lang.save()
 
     def have_translation(self):
         '''