I don't have time to figure out which of the involved parties I should blame so I'll create an issue about it because I ran out of django_minio time for today....
E0509 17:00:46.331 django.request:135 Internal Server Error: /cms/images/chooser/upload/
Traceback (most recent call last):
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/core/handlers/base.py", line 249, in _legacy_get_response
response = self._get_response(request)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/views/decorators/cache.py", line 43, in _cache_controlled
response = viewfunc(request, *args, **kw)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/wagtail/wagtailadmin/decorators.py", line 27, in decorated_view
return view_func(request, *args, **kwargs)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/wagtail/wagtailadmin/utils.py", line 133, in wrapped_view_func
return view_func(request, *args, **kwargs)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/wagtail/wagtailimages/views/chooser.py", line 132, in chooser_upload
form.save()
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/wagtail/wagtailadmin/forms.py", line 387, in save
return super(BaseCollectionMemberForm, self).save(commit=commit)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/forms/models.py", line 451, in save
self.instance.save()
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/base.py", line 806, in save
force_update=force_update, update_fields=update_fields)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/base.py", line 836, in save_base
updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/base.py", line 922, in _save_table
result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/base.py", line 961, in _do_insert
using=using, raw=raw)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/manager.py", line 85, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/query.py", line 1061, in _insert
return query.get_compiler(using=using).execute_sql(return_id)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/sql/compiler.py", line 1098, in execute_sql
for sql, params in self.as_sql():
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/sql/compiler.py", line 1051, in as_sql
for obj in self.query.objs
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/sql/compiler.py", line 1051, in <listcomp>
for obj in self.query.objs
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/sql/compiler.py", line 1050, in <listcomp>
[self.prepare_value(field, self.pre_save_val(field, obj)) for field in fields]
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/sql/compiler.py", line 1000, in pre_save_val
return field.pre_save(obj, add=True)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/fields/files.py", line 297, in pre_save
file.save(file.name, file.file, save=False)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/fields/files.py", line 96, in save
setattr(self.instance, self.field.name, self.name)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/fields/files.py", line 378, in __set__
self.field.update_dimension_fields(instance, force=True)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/db/models/fields/files.py", line 481, in update_dimension_fields
width = file.width
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/core/files/images.py", line 19, in width
return self._get_image_dimensions()[0]
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/core/files/images.py", line 29, in _get_image_dimensions
self._dimensions_cache = get_image_dimensions(self, close=close)
File "/home/thomasf/.virtualenvs/some_project/lib/python3.6/site-packages/django/core/files/images.py", line 45, in get_image_dimensions
file.seek(0)
io.UnsupportedOperation: seek