Latest python-magic version is broken

apps/participation/views.py

@@ -18,7 +18,7 @@ from django.views.generic import CreateView, DetailView, FormView, RedirectView,
 from django.views.generic.edit import FormMixin, ProcessFormView
 from django_tables2 import SingleTableView
 from magic import Magic
-from registration.models import AdminRegistration
+from registration.models import AdminRegistration, StudentRegistration
 from tfjm.lists import get_sympa_client
 from tfjm.matrix import Matrix
 from tfjm.views import AdminMixin, VolunteerMixin
@@ -315,12 +315,26 @@ class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
         team = self.get_object()
         output = BytesIO()
         zf = ZipFile(output, "w")
-        for student in team.participants.all():
+        for participant in team.participants.all():
             magic = Magic(mime=True)
-            mime_type = magic.from_file("media/" + student.photo_authorization.name)
-            ext = mime_type.split("/")[1].replace("jpeg", "jpg")
-            zf.write("media/" + student.photo_authorization.name,
-                     _("Photo authorization of {student}.{ext}").format(student=str(student), ext=ext))
+            if participant.photo_authorization:
+                mime_type = magic.from_file("media/" + participant.photo_authorization.name)
+                ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+                zf.write("media/" + participant.photo_authorization.name,
+                         _("Photo authorization of {participant}.{ext}").format(participant=str(participant), ext=ext))
+
+            if isinstance(participant, StudentRegistration) and participant.parental_authorization:
+                mime_type = magic.from_file("media/" + participant.parental_authorization.name)
+                ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+                zf.write("media/" + participant.parental_authorization.name,
+                         _("Parental authorization of {participant}.{ext}")
+                         .format(participant=str(participant), ext=ext))
+
+            if participant.health_sheet:
+                mime_type = magic.from_file("media/" + participant.health_sheet.name)
+                ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+                zf.write("media/" + participant.health_sheet.name,
+                         _("Health sheet of {participant}.{ext}").format(participant=str(participant), ext=ext))
         zf.close()
         response = HttpResponse(content_type="application/zip")
         response["Content-Disposition"] = "attachment; filename=\"{filename}\"" \

requirements.txt

@@ -17,6 +17,6 @@ matrix-nio~=0.15
 phonenumbers~=8.9.10
 psycopg2-binary~=2.8
 ptpython~=3.0
-python-magic~=0.4
+python-magic==0.4.18
 sympasoap~=1.0
 whoosh~=2.7

tox.ini

@@ -22,7 +22,7 @@ deps =
     djangorestframework~=3.12
     django-rest-polymorphic~=0.1
     phonenumbers~=8.9.10
-    python-magic~=0.4
+    python-magic==0.4.18
     whoosh~=2.7
 commands =
     coverage run --source=apps,tfjm ./manage.py test apps/ tfjm/