nanterre: validate batch federation deletion files (fixes #29619)

zoo/zoo_nanterre/forms.py

@@ -16,6 +16,7 @@
 
 from django import forms
 from django.utils.translation import ugettext_lazy as _
+from django.core.exceptions import ValidationError
 
 from .utils import PersonSearch, get_applications, get_application
 from . import synchronize_federations
@@ -58,6 +59,20 @@ class SynchronizeFederationsForm(forms.Form):
     csv_uploaded = forms.FileField(
         label=_('CSV file'))
 
+    def clean_csv_uploaded(self):
+        csv_uploaded = self.cleaned_data['csv_uploaded']
+        errors = []
+        for i, line in enumerate(csv_uploaded):
+            try:
+                line.encode('ascii')
+            # works with pyhton2 and 3
+            except (UnicodeEncodeError, UnicodeDecodeError) as e:
+                errors.append(_(u'non-ASCII character on line {0} and column {1}').format(
+                    i + 1, e.start + 1))
+        if errors:
+            raise ValidationError(errors)
+        return csv_uploaded
+
     def save(self):
         synchronize_federations.SynchronizeFederationsAction.synchronize(
             **self.cleaned_data)

zoo/zoo_nanterre/locale/fr/LC_MESSAGES/django.po

@@ -68,3 +68,6 @@ msgstr "doublon"
 #: zoo_nanterre/models.py:77
 msgid "duplicates"
 msgstr "doublons"
+
+msgid "non-ASCII character on line {0} and column {1}"
+msgstr "caractère non-ASCII à la ligne {0} et colonne {1}"