[tor-bugs] #20736 [Internal Services/Service - trac]: IndexError: pop from empty list

[Tor Bug Tracker & Wiki]

#20736: IndexError: pop from empty list
--------------------------------------------------+-----------------
     Reporter:  michaelsonntag                    |      Owner:  qbi
         Type:  defect                            |     Status:  new
     Priority:  Medium                            |  Milestone:
    Component:  Internal Services/Service - trac  |    Version:
     Severity:  Normal                            |   Keywords:
Actual Points:                                    |  Parent ID:
       Points:                                    |   Reviewer:
      Sponsor:                                    |
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 I cannot add an attachment to a ticket (patch suggestion). Clicking on
 "Attach file" leads to an error message. Perhaps a translation problem
 (missing german text)?

 ==== Zum Reproduzieren ====

 Während der Ausführung von GET auf `/attachment/ticket/17975/` hat Trac
 einen internen Fehler gemeldet.

 ''(Bitte geben Sie hier weitere Details an)''

 Anfrageparameter:
 {{{
 {'action': u'new', 'path': u'17975/', 'realm': u'ticket'}
 }}}

 User agent: `Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101
 Firefox/50.0`

 ==== Systeminformationen ====
 ''Systeminformation nicht verfügbar''

 ==== Aktive Plugins ====
 ''Plugininformation nicht verfügbar''

 ==== Python-Zurückverfolgungsinformationen ====
 {{{
 Traceback (most recent call last):
   File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 512, in
 _dispatch_request
     dispatcher.dispatch(req)
   File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 240, in
 dispatch
     content_type)
   File "/usr/lib/python2.7/dist-packages/trac/web/chrome.py", line 1042,
 in render_template
     encoding='utf-8')
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 184, in
 render
     return encode(generator, method=method, encoding=encoding, out=out)
   File "/usr/lib/python2.7/dist-packages/genshi/output.py", line 58, in
 encode
     for chunk in iterator:
   File "/usr/lib/python2.7/dist-packages/genshi/output.py", line 350, in
 __call__
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/output.py", line 829, in
 __call__
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/output.py", line 669, in
 __call__
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/output.py", line 774, in
 __call__
     for kind, data, pos in chain(stream, [(None, None, None)]):
   File "/usr/lib/python2.7/dist-packages/genshi/output.py", line 594, in
 __call__
     for ev in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 289, in
 _ensure
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 289, in
 _ensure
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/trac/web/chrome.py", line 1182,
 in _strip_accesskeys
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 289, in
 _ensure
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/trac/web/chrome.py", line 1171,
 in _generate
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 289, in
 _ensure
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 289, in
 _ensure
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/filters/transform.py",
 line 706, in _unmark
     for mark, event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/filters/transform.py",
 line 1101, in __call__
     for mark, event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/filters/transform.py",
 line 118, in __iter__
     event = self.stream.next()
   File "/usr/lib/python2.7/dist-packages/genshi/filters/transform.py",
 line 734, in __call__
     for mark, event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/filters/transform.py",
 line 702, in _mark
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/template/base.py", line
 618, in _include
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/template/markup.py", line
 378, in _match
     ctxt, start=idx + 1, **vars):
   File "/usr/lib/python2.7/dist-packages/genshi/template/markup.py", line
 378, in _match
     ctxt, start=idx + 1, **vars):
   File "/usr/lib/python2.7/dist-packages/genshi/template/markup.py", line
 362, in _match
     content = list(content)
   File "/usr/lib/python2.7/dist-packages/genshi/template/base.py", line
 618, in _include
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/template/markup.py", line
 326, in _match
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/template/markup.py", line
 315, in _strip
     event = next()
   File "/usr/lib/python2.7/dist-packages/genshi/template/base.py", line
 558, in _flatten
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 289, in
 _ensure
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/path.py", line 588, in
 _generate
     subevent = next()
   File "/usr/lib/python2.7/dist-packages/genshi/template/base.py", line
 618, in _include
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/template/markup.py", line
 315, in _strip
     event = next()
   File "/usr/lib/python2.7/dist-packages/genshi/template/base.py", line
 558, in _flatten
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/core.py", line 289, in
 _ensure
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/path.py", line 588, in
 _generate
     subevent = next()
   File "/usr/lib/python2.7/dist-packages/genshi/template/base.py", line
 618, in _include
     for event in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/template/markup.py", line
 315, in _strip
     event = next()
   File "/usr/lib/python2.7/dist-packages/genshi/template/base.py", line
 558, in _flatten
     for kind, data, pos in stream:
   File "/usr/lib/python2.7/dist-packages/genshi/filters/i18n.py", line
 178, in _generate
     for event in msgbuf.translate(gettext(msgbuf.format())):
   File "/usr/lib/python2.7/dist-packages/genshi/filters/i18n.py", line
 1051, in translate
     events = self.events[order].pop(0)
 IndexError: pop from empty list
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20736>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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