UnicodeEncodeError: 'ascii' codec can't encode character u'\u0161' in position 27: ordinal not in range(128), HTTP response headers must be in US-ASCII format

[Daniel Holbach]

Traceback (most recent call last):

  File "/var/lib/python-support/python2.5/django/core/handlers/base.py", line 86, in get_response
    response = callback(request, *callback_args, **callback_kwargs)

  File "/srv/loco.ubuntu.com/loco_directory/events/views.py", line 72, in team_event_list_ical
    return event_list_ical(team_events, team.name)

  File "/srv/loco.ubuntu.com/loco_directory/events/views.py", line 51, in event_list_ical
    response['Content-Disposition'] = 'attachment; filename=%s' % filename

  File "/var/lib/python-support/python2.5/django/http/__init__.py", line 314, in __setitem__
    header, value = self._convert_to_ascii(header, value)

  File "/var/lib/python-support/python2.5/django/http/__init__.py", line 306, in _convert_to_ascii
    yield value.encode('us-ascii')

UnicodeEncodeError: 'ascii' codec can't encode character u'\u0161' in position 27: ordinal not in range(128), HTTP response headers must be in US-ASCII format

<ModPythonRequest
path:/events/team/ubuntu-lv/ical/,
GET:<QueryDict: {}>,
POST:<QueryDict: {}>,
COOKIES:{},
META:{'AUTH_TYPE': None,
 'CONTENT_LENGTH': 0L,
 'CONTENT_TYPE': None,
 'GATEWAY_INTERFACE': 'CGI/1.1',
 'HTTP_ACCEPT': '*/*',
 'HTTP_ACCEPT_ENCODING': 'gzip,deflate',
 'HTTP_CONNECTION': 'Keep-alive',
 'HTTP_FROM': 'googlebot(at)googlebot.com',
 'HTTP_HOST': 'loco.ubuntu.com',
 'HTTP_USER_AGENT': 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)',
 'PATH_INFO': u'/events/team/ubuntu-lv/ical/',
 'PATH_TRANSLATED': None,
 'QUERY_STRING': None,
 'REMOTE_ADDR': '66.249.71.20',
 'REMOTE_HOST': None,
 'REMOTE_IDENT': None,
 'REMOTE_USER': None,
 'REQUEST_METHOD': 'GET',
 'SCRIPT_NAME': '',
 'SERVER_NAME': 'loco.ubuntu.com',
 'SERVER_PORT': 0,
 'SERVER_PROTOCOL': 'HTTP/1.1',
 'SERVER_SOFTWARE': 'mod_python'}>