Fix #707 -- Setup automated spell-checking for translations (#896)

This will:
  * set up potypo
  * add wordlists, edgecases and phrases
  * fix english typos across the codebase
  * fix german typos and translation

src/pretix/control/forms/event.py

@@ -430,8 +430,8 @@ class PaymentSettingsForm(SettingsForm):
     )
     payment_term_weekdays = forms.BooleanField(
         label=_('Only end payment terms on weekdays'),
-        help_text=_("If this is activated and the payment term of any order ends on a saturday or sunday, it will be "
-                    "moved to the next monday instead. This is required in some countries by civil law. This will "
+        help_text=_("If this is activated and the payment term of any order ends on a Saturday or Sunday, it will be "
+                    "moved to the next Monday instead. This is required in some countries by civil law. This will "
                     "not effect the last date of payments configured above."),
         required=False,
     )

src/pretix/control/forms/item.py

@@ -348,7 +348,7 @@ class ItemVariationsFormSet(I18nFormSet):
                 f.fields['DELETE'].disabled = True
                 raise ValidationError(
                     message=_('The variation "%s" cannot be deleted because it has already been ordered by a user or '
-                              'currently is in a users\'s cart. Please set the variation as "inactive" instead.'),
+                              'currently is in a user\'s cart. Please set the variation as "inactive" instead.'),
                     params=(str(f.instance),)
                 )
 

src/pretix/control/templates/pretixcontrol/auth/login_2fa.html

@@ -8,7 +8,7 @@
         {% csrf_token %}
         <h3>{% trans "Welcome back!" %}</h3>
         <p>
-            {% trans "You configured your account to require authentification with a second medium, e.g. your phone. Please enter your verification code here:" %}
+            {% trans "You configured your account to require authentication with a second medium, e.g. your phone. Please enter your verification code here:" %}
         </p>
         <div class="form-group">
             <input class="form-control" name="token" placeholder="{% trans "Token" %}"

src/pretix/control/templates/pretixcontrol/multi_languages_widget.html

@@ -11,7 +11,7 @@
         </span>
     {% elif not widget.official %}
         <span class="label label-warning" data-toggle="tooltip" title="{% trans "This translation is not maintained by the pretix team. We cannot vouch for its correctness and new or recently changed features might not be translated and will show in English instead. You can help translating at translate.pretix.eu." %}">
-            {% trans "Inofficial translation" %}
+            {% trans "Unofficial translation" %}
         </span>
     {% endif %}
     </label>

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

@@ -4,7 +4,7 @@
 {% block inner %}
     <h2>{% trans "Delete team:" %} {{ team.name }}</h2>
     {% if not possible %}
-        <p>{% blocktrans %}You cannot delete the team because there would be noone left who could change team permissions afterwards.{% endblocktrans %}</p>
+        <p>{% blocktrans %}You cannot delete the team because there would be no one left who could change team permissions afterwards.{% endblocktrans %}</p>
         <div class="form-group submit-group">
             <a href="{% url "control:organizer.teams" organizer=request.organizer.slug %}" class="btn btn-default btn-cancel">
                 {% trans "Cancel" %}

src/pretix/control/views/item.py

@@ -1006,7 +1006,7 @@ class ItemAddOns(ItemDetailMixin, EventPermissionRequiredMixin, TemplateView):
 
     def get(self, request, *args, **kwargs):
         if self.get_object().category and self.get_object().category.is_addon:
-            messages.error(self.request, _('You cannot add addons to a product that is only available as an add-on '
+            messages.error(self.request, _('You cannot add add-ons to a product that is only available as an add-on '
                                            'itself.'))
             return redirect(self.get_previous_url())
 

src/pretix/control/views/organizer.py

@@ -474,7 +474,7 @@ class TeamMemberView(OrganizerDetailViewMixin, OrganizerPermissionRequiredMixin,
                     can_change_teams=True, members__isnull=False
                 ).exists()
                 if not other_admin_teams and self.object.can_change_teams and self.object.members.count() == 1:
-                    messages.error(self.request, _('You cannot remove the last member from this team as noone would '
+                    messages.error(self.request, _('You cannot remove the last member from this team as no one would '
                                                    'be left with the permission to change teams.'))
                     return redirect(self.get_success_url())
                 else: