Fix help-text on date-questions not being translatable

src/pretix/base/forms/questions.py

@@ -890,18 +890,18 @@ class BaseQuestionsForm(forms.Form):
                 if not help_text:
                     if q.valid_date_min and q.valid_date_max:
                         help_text = format_lazy(
-                            'Please enter a date between {min} and {max}.',
+                            _('Please enter a date between {min} and {max}.'),
                             min=date_format(q.valid_date_min, "SHORT_DATE_FORMAT"),
                             max=date_format(q.valid_date_max, "SHORT_DATE_FORMAT"),
                         )
                     elif q.valid_date_min:
                         help_text = format_lazy(
-                            'Please enter a date no earlier than {min}.',
+                            _('Please enter a date no earlier than {min}.'),
                             min=date_format(q.valid_date_min, "SHORT_DATE_FORMAT"),
                         )
                     elif q.valid_date_max:
                         help_text = format_lazy(
-                            'Please enter a date no later than {max}.',
+                            _('Please enter a date no later than {max}.'),
                             max=date_format(q.valid_date_max, "SHORT_DATE_FORMAT"),
                         )
                 if initial and initial.answer:
@@ -939,18 +939,18 @@ class BaseQuestionsForm(forms.Form):
                 if not help_text:
                     if q.valid_datetime_min and q.valid_datetime_max:
                         help_text = format_lazy(
-                            'Please enter a date and time between {min} and {max}.',
+                            _('Please enter a date and time between {min} and {max}.'),
                             min=date_format(q.valid_datetime_min, "SHORT_DATETIME_FORMAT"),
                             max=date_format(q.valid_datetime_max, "SHORT_DATETIME_FORMAT"),
                         )
                     elif q.valid_datetime_min:
                         help_text = format_lazy(
-                            'Please enter a date and time no earlier than {min}.',
+                            _('Please enter a date and time no earlier than {min}.'),
                             min=date_format(q.valid_datetime_min, "SHORT_DATETIME_FORMAT"),
                         )
                     elif q.valid_datetime_max:
                         help_text = format_lazy(
-                            'Please enter a date and time no later than {max}.',
+                            _('Please enter a date and time no later than {max}.'),
                             max=date_format(q.valid_datetime_max, "SHORT_DATETIME_FORMAT"),
                         )
 

src/pretix/control/templates/pretixcontrol/organizers/outgoing_mail.html

@@ -19,7 +19,7 @@
 
                     <dl class="dl-horizontal">
                         <dt>{% trans "From" context "email" %}</dt>
-                        <dd>{{ mail.sender }}</dd>
+                        <dd>{{ sender }}</dd>
                         <dt>{% trans "To" context "email" %}</dt>
                         <dd>{{ mail.to|join:", " }}</dd>
                         {% if mail.cc %}

src/pretix/control/views/mail.py

@@ -21,6 +21,8 @@
 #
 import base64
 import logging
+from email.header import decode_header, make_header
+from email.utils import parseaddr
 
 from django.conf import settings
 from django.contrib import messages
@@ -124,6 +126,12 @@ class OutgoingMailDetailView(OrganizerDetailViewMixin, OrganizerPermissionRequir
         ctx = super().get_context_data(**kwargs)
         if self.object.body_html:
             ctx['data_url'] = "data:text/html;charset=utf-8;base64," + base64.b64encode(self.object.body_html.encode()).decode()
+
+        from_name, from_email = parseaddr(self.object.sender)
+        if from_name:
+            from_name = make_header(decode_header(from_name))
+        ctx['sender'] = "{} <{}>".format(from_name, from_email) if from_name else from_email
+
         return ctx