OverflowError: __len__() should return 0 <= outcome < 2**31

[jneff]

How to Reproduce

While doing a GET operation on /ticket/66, Trac issued an internal error.

(please provide additional details here) Python Traceback Most recent call last:

• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/ticket/templates/ticket_change.html", line 61, in <Expression u'wiki_to_html(context, change.comment, escape_newlines=preserve_newlines)'> Code fragment: Line 56 ${wiki_to_html(context, text, escape_newlines=preserve_newlines)} 57 </div> 58 <div py:otherwise="" py:choose="" class="comment searchable" xml:space="preserve"> 59 <py:when test="show_history">${wiki_to_html(context, change.comment_history[int(cversion)].comment, 60 escape_newlines=preserve_newlines)}</py:when> 61 <py:otherwise>${wiki_to_html(context, change.comment, escape_newlines=preserve_newlines)}</py:otherwise> 62 </div> 63 </py:choose> 64 </html> Local variables: Name Value data [{'show_editor': False}, {'comment_version': 0, 'show_editor': False, …
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/util/compat.py", line 83, in newfunc Code fragment: Line 78 try: 79 from functools import partial 80 except ImportError: 81 def partial(func_, *args, kwargs): 82 def newfunc(*fargs, fkwargs): 83 return func_(*(args + fargs), dict(kwargs, fkwargs)) 84 newfunc.func = func_ 85 newfunc.args = args 86 newfunc.keywords = kwargs 87 try: 88 newfunc.name = func_.name Local variables: Name Value args (<trac.env.Environment object at 0x2b8daf26b410>,) fargs (<Context <Resource u'ticket:66'>>, u'SR #3-3217719731: system performance … fkwargs {'escape_newlines': True} func_ <function format_to_html at 0x2b8dae3ddb18> kwargs {}
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1498, in format_to_html Code fragment: Line 1493 def format_to_html(env, context, wikidom, escape_newlines=None): 1494 if not wikidom: 1495 return Markup() 1496 if escape_newlines is None: 1497 escape_newlines = context.get_hint('preserve_newlines', False) 1498 return HtmlFormatter(env, context, wikidom).generate(escape_newlines) 1499 1500 def format_to_oneliner(env, context, wikidom, shorten=None): 1501 if not wikidom: 1502 return Markup() 1503 if shorten is None: Local variables: Name Value context <Context <Resource u'ticket:66'>> env <trac.env.Environment object at 0x2b8daf26b410> escape_newlines True wikidom u'SR #3-3217719731: system performance case was opend with SUN and …
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1453, in generate Code fragment: Line 1448 newlines in the wikidom will be preserved if escape_newlines is set. 1449 """ 1450 # FIXME compatibility code only for now 1451 out = StringIO() 1452 Formatter(self.env, self.context).format(self.wikidom, out, 1453 escape_newlines) 1454 return Markup(out.getvalue()) 1455 1456 1457 class InlineHtmlFormatter(object): 1458 """Format parsed wiki text to inline elements HTML. Local variables: Name Value escape_newlines True out <StringIO.StringIO instance at 0x2b8daf5260e0> self <trac.wiki.formatter.HtmlFormatter object at 0x2b8daf522210>
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1240, in format Code fragment: Line 1235 1236 self.in_list_item = False 1237 self.in_quote = False 1238 # Throw a bunch of regexps on the problem 1239 self.line = line 1240 result = re.sub(self.wikiparser.rules, self.replace, line) 1241 1242 if not self.in_list_item: 1243 self.close_list() 1244 1245 if not self.in_quote: Local variables: Name Value block_start_match None escape_newlines True line u'SR #3-3217719731: system performance case was opend with SUN and … out <StringIO.StringIO instance at 0x2b8daf5260e0> self <trac.wiki.formatter.Formatter object at 0x2b8daf5220d0> text [u'SR #3-3217719731: system performance case was opend with SUN and …
• File "/usr/lib64/python2.4/sre.py", line 142, in sub Code fragment: Line 137 """Return the string obtained by replacing the leftmost 138 non-overlapping occurrences of the pattern in string by the 139 replacement repl. repl can be either a string or a callable; 140 if a callable, it's passed the match object and must return 141 a replacement string to be used.""" 142 return _compile(pattern, 0).sub(repl, string, count) 143 144 def subn(pattern, repl, string, count=0): 145 """Return a 2-tuple containing (new_string, number). 146 new_string is the string obtained by replacing the leftmost 147 non-overlapping occurrences of the pattern in the source Local variables: Name Value count 0 pattern <_sre.SRE_Pattern object at 0x2b8daf2c3740> repl <bound method Formatter.replace of <trac.wiki.formatter.Formatter object … string u'SR #3-3217719731: system performance case was opend with SUN and …
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1158, in replace Code fragment: Line 1153 internal_handler = getattr(self, '_%s_formatter' % itype) 1154 return internal_handler(match, fullmatch) 1155 1156 def replace(self, fullmatch): 1157 """Replace one match with its corresponding expansion""" 1158 replacement = self.handle_match(fullmatch) 1159 if replacement: 1160 return _markup_to_unicode(replacement) 1161 1162 _normalize_re = re.compile(r'[\v\f]', re.UNICODE) 1163 Local variables: Name Value fullmatch <_sre.SRE_Match object at 0x2b8daf569630> self <trac.wiki.formatter.Formatter object at 0x2b8daf5220d0>
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1151, in handle_match Code fragment: Line 1146 # Check for preceding escape character '!' 1147 if match[0] == '!': 1148 return escape(match[1:]) 1149 if itype in self.wikiparser.external_handlers: 1150 external_handler = self.wikiparser.external_handlers[itype] 1151 return external_handler(self, match, fullmatch) 1152 else: 1153 internal_handler = getattr(self, '_%s_formatter' % itype) 1154 return internal_handler(match, fullmatch) 1155 1156 def replace(self, fullmatch): Local variables: Name Value external_handler <function <lambda> at 0x2b8daf4dab18> fullmatch <_sre.SRE_Match object at 0x2b8daf569630> itype u'i3' match u'#3-3217719731' self <trac.wiki.formatter.Formatter object at 0x2b8daf5220d0>
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/ticket/api.py", line 436, in <lambda> Code fragment: Line 431 # matches #… but not &#… (HTML entity) 432 r"!?(?<!&)#" 433 # optional intertrac shorthand #T… + digits 434 r"(?P<it_ticket>%s)%s" % (WikiParser.INTERTRAC_SCHEME, 435 Ranges.RE_STR), 436 lambda x, y, z: self._format_link(x, 'ticket', y[1:], y, z)) 437 438 def _format_link(self, formatter, ns, target, label, fullmatch=None): 439 intertrac = formatter.shorthand_intertrac_helper(ns, target, label, 440 fullmatch) 441 if intertrac: Local variables: Name Value self <trac.ticket.api.TicketSystem object at 0x2b8daf1fa990> x <trac.wiki.formatter.Formatter object at 0x2b8daf5220d0> y u'#3-3217719731' z <_sre.SRE_Match object at 0x2b8daf569630>
• File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/ticket/api.py", line 446, in _format_link Code fragment: Line 441 if intertrac: 442 return intertrac 443 try: 444 link, params, fragment = formatter.split_link(target) 445 r = Ranges(link) 446 if len(r) == 1: 447 num = r.a 448 ticket = formatter.resource('ticket', num) 449 from trac.ticket.model import Ticket 450 if Ticket.id_is_valid(num) and \ 451 'TICKET_VIEW' in formatter.perm(ticket): Local variables: Name Value formatter <trac.wiki.formatter.Formatter object at 0x2b8daf5220d0> fragment fullmatch <_sre.SRE_Match object at 0x2b8daf569630> intertrac None label u'#3-3217719731' link u'3-3217719731' ns 'ticket' params r <trac.util.Ranges object at 0x2b8daf522110> self <trac.ticket.api.TicketSystem object at 0x2b8daf1fa990> target u'3-3217719731'

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/ticket/templates/ticket_change.html", line 61, in <Expression u'wiki_to_html(context, change.comment, escape_newlines=preserve_newlines)'>

<py:otherwise>${wiki_to_html(context, change.comment, escape_newlines=preserve_newlines)}</py:otherwise>

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/util/compat.py", line 83, in newfunc

return func_(*(args + fargs), dict(kwargs, fkwargs))

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1498, in format_to_html

return HtmlFormatter(env, context, wikidom).generate(escape_newlines)

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1453, in generate

escape_newlines)

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1240, in format

result = re.sub(self.wikiparser.rules, self.replace, line)

File "/usr/lib64/python2.4/sre.py", line 142, in sub

return _compile(pattern, 0).sub(repl, string, count)

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1158, in replace

replacement = self.handle_match(fullmatch)

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/wiki/formatter.py", line 1151, in handle_match

return external_handler(self, match, fullmatch)

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/ticket/api.py", line 436, in <lambda>

lambda x, y, z: self._format_link(x, 'ticket', y[1:], y, z))

File "/usr/lib/python2.4/site-packages/Trac-0.12.3dev_r10609-py2.4.egg/trac/ticket/api.py", line 446, in _format_link

if len(r) == 1:

Request parameters:

{'id': u'66'}

User agent: #USER_AGENT#

System Information

Trac	0.12.3dev-r10609
Babel	0.9.5
CustomFieldAdmin	0.2.5
Genshi	0.6
mod_wsgi	3.2 (WSGIProcessGroup WSGIApplicationGroup %{GLOBAL})
MySQL	server: "5.0.77", client: "5.0.77", thread-safe: 1
MySQLdb	1.2.3
Pygments	0.9
Python	2.4.3 (#1, Jun 11 2009, 14:09:37) [GCC 4.1.2 20080704 (Red Hat 4.1.2-44)]
pytz	2006p
setuptools	0.6c12
Subversion	1.4.2 (r22196)
jQuery	#JQUERY#

Enabled Plugins

AutocompleteUsers	0.4.1
BasicThemeEditorPlugin	0.1-r163
BlackMagicTicketTweaks	0.12r1
siteupload	0.11dev
TracCustomFieldAdmin	0.2.5
TracDateField	1.0.1
TracDynamicFields	1.2.1
TracIniAdminPanel	0.8beta-r534