disable thumbnails for empty or remote tempfiles (#47734)

2020-10-15 15:12:13 +02:00 · 2020-10-15 15:12:13 +02:00 · c62e48b77b
parent 3a78582845
commit c62e48b77b
1 changed files with 2 additions and 0 deletions
--- a/wcs/qommon/form.py
+++ b/wcs/qommon/form.py
@ -792,6 +792,8 @@ class FileWithPreviewWidget(CompositeWidget):
        temp = self.tempfile()
        if not temp:
            return False
+        if not temp.get('size'):  # empty or RemoteOpaque file
+            return False

        filetype = (mimetypes.guess_type(temp.get('orig_filename', '')) or [''])[0]
        if not filetype: