Unicode filename is not handled gracefully

[nikolajbaer]

When uploading a filename with unicode in it, there is a unicode decode error. Probably best strategy would be to do an encode to unicode when handling the input.

File "/home/someproject/lib/python2.6/site-packages/django/core/handlers/base.py", line 111, in get_response
response = callback(request, _callback_args, *_callback_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/contrib/admin/options.py", line 307, in wrapper
return self.admin_site.admin_view(view)(_args, *_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/utils/decorators.py", line 93, in _wrapped_view
response = view_func(request, _args, *_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/views/decorators/cache.py", line 79, in _wrapped_view_func
response = view_func(request, _args, *_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/contrib/admin/sites.py", line 197, in inner
return view(request, _args, *_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/utils/decorators.py", line 28, in _wrapper
return bound_func(_args, *_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/utils/decorators.py", line 93, in _wrapped_view
response = view_func(request, _args, *_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/utils/decorators.py", line 24, in bound_func
return func(self, _args2, *_kwargs2)

File "/home/someproject/lib/python2.6/site-packages/django/db/transaction.py", line 217, in inner
res = func(_args, *_kwargs)

File "/home/someproject/lib/python2.6/site-packages/django/contrib/admin/options.py", line 881, in add_view
if all_valid(formsets) and form_validated:

File "/home/someproject/lib/python2.6/site-packages/django/forms/formsets.py", line 360, in all_valid
if not formset.is_valid():

File "/home/someproject/lib/python2.6/site-packages/django/forms/formsets.py", line 263, in is_valid
err = self.errors

File "/home/someproject/lib/python2.6/site-packages/django/forms/formsets.py", line 241, in _get_errors
self.full_clean()

File "/home/someproject/lib/python2.6/site-packages/django/forms/formsets.py", line 284, in full_clean
self._errors.append(form.errors)

File "/home/someproject/lib/python2.6/site-packages/django/forms/forms.py", line 112, in _get_errors
self.full_clean()

File "/home/someproject/lib/python2.6/site-packages/django/forms/forms.py", line 269, in full_clean
self._post_clean()

File "/home/someproject/lib/python2.6/site-packages/django/forms/models.py", line 308, in _post_clean
self.instance = construct_instance(self, self.instance, opts.fields, opts.exclude)

File "/home/someproject/lib/python2.6/site-packages/django/forms/models.py", line 50, in construct_instance
f.save_form_data(instance, cleaned_data[f.name])

File "/home/someproject/lib/python2.6/site-packages/photoprocessor/fields.py", line 386, in save_form_data
setattr(instance, self.name, data)

File "/home/someproject/lib/python2.6/site-packages/photoprocessor/fields.py", line 342, in set
self.get(instance).save(name, content, False)

File "/home/someproject/lib/python2.6/site-packages/photoprocessor/fields.py", line 263, in save
self.name = self.storage.save(name, content)

File "/home/someproject/lib/python2.6/site-packages/django/core/files/storage.py", line 48, in save
name = self.get_available_name(name)

File "/home/someproject/lib/python2.6/site-packages/django/core/files/storage.py", line 74, in get_available_name
while self.exists(name):

File "/home/someproject/lib/python2.6/site-packages/django/core/files/storage.py", line 218, in exists
return os.path.exists(self.path(name))

File "/home/someproject/lib/python2.6/genericpath.py", line 18, in exists
st = os.stat(path)

UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 62: ordinal not in range(128)