LookupError: unknown encoding: iso885915_euro

[wagner@…]

How to Reproduce

While doing a GET operation on /ticket/3793, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'id': u'3793'}

User Agent was: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1) Gecko/20090624 Firefox/3.5

System Information

Trac	0.11.1
Python	2.5.2 (r252:60911, Jan 4 2009, 22:17:10) [GCC 4.3.2]
setuptools	0.6c8
SQLite	3.5.9
pysqlite	2.4.1
Genshi	0.5.1
mod_python	3.3.1
Pygments	0.10
Subversion	1.5.1 (r32289)
RPC	1.0.6
jQuery:	1.2.6

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/trac/web/main.py", line 423, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.5/site-packages/trac/web/main.py", line 219, in dispatch
    data, content_type)
  File "/usr/lib/python2.5/site-packages/trac/web/chrome.py", line 715, in render_template
    return stream.render(method, doctype=doctype)
  File "/var/lib/python-support/python2.5/genshi/core.py", line 179, in render
    return encode(generator, method=method, encoding=encoding, out=out)
  File "/var/lib/python-support/python2.5/genshi/output.py", line 60, in encode
    return _encode(u''.join(list(iterator)))
  File "/var/lib/python-support/python2.5/genshi/output.py", line 311, in __call__
    for kind, data, pos in stream:
  File "/var/lib/python-support/python2.5/genshi/output.py", line 753, in __call__
    for kind, data, pos in stream:
  File "/var/lib/python-support/python2.5/genshi/output.py", line 592, in __call__
    for kind, data, pos in stream:
  File "/var/lib/python-support/python2.5/genshi/output.py", line 698, in __call__
    for kind, data, pos in chain(stream, [(None, None, None)]):
  File "/var/lib/python-support/python2.5/genshi/output.py", line 532, in __call__
    for ev in stream:
  File "/var/lib/python-support/python2.5/genshi/core.py", line 283, in _ensure
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/core.py", line 283, in _ensure
    for event in stream:
  File "/usr/lib/python2.5/site-packages/trac/web/chrome.py", line 767, in _strip_accesskeys
    for kind, data, pos in stream:
  File "/var/lib/python-support/python2.5/genshi/core.py", line 283, in _ensure
    for event in stream:
  File "/usr/lib/python2.5/site-packages/trac/web/chrome.py", line 756, in _generate
    for kind, data, pos in stream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 569, in _include
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/template/markup.py", line 298, in _match
    ctxt, start=idx + 1, **vars):
  File "/var/lib/python-support/python2.5/genshi/template/markup.py", line 298, in _match
    ctxt, start=idx + 1, **vars):
  File "/var/lib/python-support/python2.5/genshi/template/markup.py", line 245, in _match
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 543, in _exec
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 533, in _eval
    for event in substream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 496, in _eval
    for kind, data, pos in stream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 551, in _flatten
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/core.py", line 283, in _ensure
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/path.py", line 141, in _generate
    subevent = stream.next()
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 569, in _include
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/template/markup.py", line 234, in _strip
    event = stream.next()
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 543, in _exec
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 533, in _eval
    for event in substream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 496, in _eval
    for kind, data, pos in stream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 551, in _flatten
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/core.py", line 283, in _ensure
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/path.py", line 141, in _generate
    subevent = stream.next()
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 569, in _include
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/template/markup.py", line 234, in _strip
    event = stream.next()
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 543, in _exec
    for event in stream:
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 520, in _eval
    result = _eval_expr(data, ctxt, **vars)
  File "/var/lib/python-support/python2.5/genshi/template/base.py", line 286, in _eval_expr
    retval = expr.evaluate(ctxt)
  File "/var/lib/python-support/python2.5/genshi/template/eval.py", line 180, in evaluate
    return eval(self.code, _globals, {'__data__': data})
  File "/usr/lib/python2.5/site-packages/trac/ticket/templates/ticket.html", line 129, in <Expression u'dateinfo(ticket.time_created)'>
    <p py:if="ticket.exists">Opened ${dateinfo(ticket.time_created)} ago</p>
  File "/usr/lib/python2.5/site-packages/trac/timeline/web_ui.py", line 231, in dateinfo
    precision='second')
  File "/usr/lib/python2.5/site-packages/trac/timeline/web_ui.py", line 264, in get_timeline_link
    iso_date = display_date = format_datetime(date, 'iso8601', req.tz)
  File "/usr/lib/python2.5/site-packages/trac/util/datefmt.py", line 113, in format_datetime
    return unicode(text, encoding, 'replace')
LookupError: unknown encoding: iso885915_euro

[Emmanuel Blot]

Submitted twice, see #8522