Add region setting to supplement localization (#1875)

src/pretix/control/views/event.py

@@ -19,7 +19,6 @@ from django.http import (
 )
 from django.shortcuts import get_object_or_404, redirect
 from django.urls import reverse
-from django.utils import translation
 from django.utils.functional import cached_property
 from django.utils.timezone import now
 from django.utils.translation import gettext, gettext_lazy as _
@@ -55,6 +54,7 @@ from pretix.multidomain.urlreverse import get_event_domain
 from pretix.plugins.stripe.payment import StripeSettingsHolder
 from pretix.presale.style import regenerate_css
 
+from ...base.i18n import language
 from ...base.models.items import ItemMetaProperty
 from ...base.settings import SETTINGS_AFFECTING_CSS, LazyI18nStringList
 from ..logdisplay import OVERVIEW_BANLIST
@@ -659,7 +659,7 @@ class MailSettingsPreview(EventPermissionRequiredMixin, View):
             if matched is not None:
                 idx = matched.group('idx')
                 if idx in self.supported_locale:
-                    with translation.override(self.supported_locale[idx]):
+                    with language(self.supported_locale[idx], self.request.event.settings.region):
                         msgs[self.supported_locale[idx]] = markdown_compile_email(
                             v.format_map(self.placeholders(preview_item))
                         )

src/pretix/control/views/orders.py

@@ -666,7 +666,7 @@ class OrderCancellationRequestDelete(OrderView):
             }, user=self.request.user)
 
         messages.success(self.request, _('The request has been removed. If you want, you can now inform the user.'))
-        with language(self.order.locale):
+        with language(self.order.locale, self.request.event.settings.region):
             return redirect(reverse('control:event.order.sendmail', kwargs={
                 'event': self.request.event.slug,
                 'organizer': self.request.event.organizer.slug,
@@ -937,7 +937,7 @@ class OrderRefundView(OrderView):
                     if giftcard_value and self.order.email:
                         messages.success(self.request, _('A new gift card was created. You can now send the user their '
                                                          'gift card code.'))
-                        with language(self.order.locale):
+                        with language(self.order.locale, self.request.event.settings.region):
                             return redirect(reverse('control:event.order.sendmail', kwargs={
                                 'event': self.request.event.slug,
                                 'organizer': self.request.event.organizer.slug,
@@ -1779,7 +1779,7 @@ class OrderSendMail(EventPermissionRequiredMixin, OrderViewMixin, FormView):
             code=self.kwargs['code'].upper()
         )
         self.preview_output = {}
-        with language(order.locale):
+        with language(order.locale, self.request.event.settings.region):
             email_context = get_email_context(event=order.event, order=order)
         email_template = LazyI18nString(form.cleaned_data['message'])
         email_subject = str(form.cleaned_data['subject']).format_map(TolerantDict(email_context))
@@ -1842,7 +1842,7 @@ class OrderPositionSendMail(OrderSendMail):
             attendee_email__isnull=False
         )
         self.preview_output = {}
-        with language(position.order.locale):
+        with language(position.order.locale, self.request.event.settings.region):
             email_context = get_email_context(event=position.order.event, order=position.order, position=position)
         email_template = LazyI18nString(form.cleaned_data['message'])
         email_subject = str(form.cleaned_data['subject']).format_map(TolerantDict(email_context))

src/pretix/control/views/pdf.py

@@ -188,7 +188,7 @@ class BaseEditorView(EventPermissionRequiredMixin, TemplateView):
                 pass
 
         if "preview" in request.POST:
-            with rolledback_transaction(), language(request.event.settings.locale):
+            with rolledback_transaction(), language(request.event.settings.locale, request.event.settings.region):
                 p = self._get_preview_position()
                 fname, mimet, data = self.generate(
                     p,