+class DocumentsUploadForm(forms.Form):
+ """
+ Form used for uploading new documents.
+ """
+ file = forms.FileField(required=True, label=_('ZIP file'))
+
+ def clean(self):
+ file = self.cleaned_data['file']
+
+ import zipfile
+ try:
+ z = self.cleaned_data['zip'] = zipfile.ZipFile(file)
+ except zipfile.BadZipfile:
+ raise forms.ValidationError("Should be a ZIP file.")
+ if z.testzip():
+ raise forms.ValidationError("ZIP file corrupt.")
+
+ return self.cleaned_data
+
+