Allowed settings to contain files

src/pretix/control/forms/__init__.py

@@ -1,3 +1,4 @@
+import os
 from functools import partial
 from itertools import product
 
@@ -403,3 +404,21 @@ class VariationsField(forms.ModelMultipleChoiceField):
         return cleaned_value
 
     choices = property(_get_choices, forms.ChoiceField._set_choices)
+
+
+class ExtFileField(forms.FileField):
+
+    def __init__(self, *args, **kwargs):
+        ext_whitelist = kwargs.pop("ext_whitelist")
+        self.ext_whitelist = [i.lower() for i in ext_whitelist]
+        super().__init__(*args, **kwargs)
+
+    def clean(self, *args, **kwargs):
+        data = super().clean(*args, **kwargs)
+        if data:
+            filename = data.name
+            ext = os.path.splitext(filename)[1]
+            ext = ext.lower()
+            if ext not in self.ext_whitelist:
+                raise forms.ValidationError(_("Filetype not allowed!"))
+        return data

src/pretix/control/forms/event.py

@@ -185,7 +185,6 @@ class ProviderForm(SettingsForm):
         for k, v in self.fields.items():
             val = cleaned_data.get(k)
             if v._required and (val is None or val == ""):
-                print(enabled, k, v)
                 self.add_error(k, _('This field is required.'))
 
 
@@ -217,5 +216,4 @@ class TicketSettingsForm(SettingsForm):
         for k, v in self.fields.items():
             val = cleaned_data.get(k)
             if v._required and (val is None or val == ""):
-                print(enabled, k, v)
                 self.add_error(k, _('This field is required.'))