handle files with non-latin characters in the filename for expenses+revenue

[tykling]

Internal Server Error: /bornhack-2019/economy/expenses/add/

UnicodeEncodeError at /bornhack-2019/economy/expenses/add/
'ascii' codec can't encode character '\xe6' in position 41: ordinal not in range(128)

Request Method: POST
Request URL: http://bornhack.dk/bornhack-2019/economy/expenses/add/
Django Version: 2.1.3
Python Executable: /usr/local/virtualenv/bin/python
Python Version: 3.5.6
Python Path: ['.', '/usr/local/virtualenv/bin', '/usr/local/virtualenv/lib/python35.zip', '/usr/local/virtualenv/lib/python3.5', '/usr/local/virtualenv/lib/python3.5/plat-freebsd11', '/usr/local/virtualenv/lib/python3.5/lib-dynload', '/usr/local/lib/python3.5', '/usr/local/lib/python3.5/plat-freebsd11', '/usr/local/virtualenv/lib/python3.5/site-packages']
Server time: Sun, 20 Jan 2019 09:11:52 +0100
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'django.contrib.sites',
'channels',
'profiles',
'camps',
'shop',
'news',
'utils',
'villages',
'program',
'info',
'sponsors',
'ircbot',
'teams',
'people',
'tickets',
'bar',
'backoffice',
'events',
'rideshare',
'tokens',
'feedback',
'economy',
'allauth',
'allauth.account',
'bootstrap3',
'django_extensions',
'reversion',
'betterforms']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']

Traceback:

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/core/handlers/exception.py" in inner
34. response = get_response(request)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
126. response = self.process_exception_by_middleware(e, request)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
124. response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/views/generic/base.py" in view
68. return self.dispatch(request, *args, **kwargs)

File "./camps/mixins.py" in dispatch
15. return super().dispatch(request, *args, **kwargs)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/contrib/auth/mixins.py" in dispatch
85. return super().dispatch(request, *args, **kwargs)

File "./bornhack/settings.py" in monkey_patched_dispatch
22. return wrapped(*args, **kwargs)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/views/generic/base.py" in dispatch
88. return handler(request, *args, **kwargs)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/views/generic/edit.py" in post
172. return super().post(request, *args, **kwargs)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/views/generic/edit.py" in post
142. return self.form_valid(form)

File "./economy/views.py" in form_valid
91. expense.save()

File "./utils/models.py" in save
66. super().save(**kwargs)

File "./utils/models.py" in save
31. super(CleanedModel, self).save(**kwargs)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/db/models/base.py" in save
718. force_update=force_update, update_fields=update_fields)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/db/models/base.py" in save_base
748. updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/db/models/base.py" in _save_table
809. for f in non_pks]

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/db/models/base.py" in
809. for f in non_pks]

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/db/models/fields/files.py" in pre_save
288. file.save(file.name, file.file, save=False)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/db/models/fields/files.py" in save
87. self.name = self.storage.save(name, content, max_length=self.field.max_length)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/core/files/storage.py" in save
48. name = self.get_available_name(name, max_length=max_length)

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/core/files/storage.py" in get_available_name
72. while self.exists(name) or (max_length and len(name) > max_length):

File "/usr/local/virtualenv/lib/python3.5/site-packages/django/core/files/storage.py" in exists
308. return os.path.exists(self.path(name))

File "/usr/local/virtualenv/lib/python3.5/genericpath.py" in exists
19. os.stat(path)

Exception Type: UnicodeEncodeError at /bornhack-2019/economy/expenses/add/
Exception Value: 'ascii' codec can't encode character '\xe6' in position 41: ordinal not in range(128)