Chokes on displaying changeset for whatever reason

[lars.erdmann@…]

Reasons could be:

1. a lot of changes were done between 2 checkins
2. "C" source files did not contain newlines at the end
3. all ASCII files contain svn:eol-style property, I had to remove it for some files because svn was complaining about inconsisent line end or so

Python traceback

Traceback (most recent call last):
  File "/usr/local/lib/python2.3/site-packages/trac/web/modpython_frontend.py", line 206, in handler
    dispatch_request(mpr.path_info, mpr, env)
  File "/usr/local/lib/python2.3/site-packages/trac/web/main.py", line 139, in dispatch_request
    dispatcher.dispatch(req)
  File "/usr/local/lib/python2.3/site-packages/trac/web/main.py", line 107, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/local/lib/python2.3/site-packages/trac/versioncontrol/web_ui/changeset.py", line 86, in process_request
    self._render_html(req, repos, chgset, diff_options)
  File "/usr/local/lib/python2.3/site-packages/trac/versioncontrol/web_ui/changeset.py", line 257, in _render_html
    ignore_space_changes='-b' in diff_options[1])
  File "/usr/local/lib/python2.3/site-packages/trac/versioncontrol/diff.py", line 179, in hdf_diff
    for group in _group_opcodes(opcodes, context):
  File "/usr/local/lib/python2.3/site-packages/trac/versioncontrol/diff.py", line 116, in _group_opcodes
    for idx, (tag, i1, i2, j1, j2) in enum(opcodes):
  File "/usr/local/lib/python2.3/site-packages/trac/util.py", line 43, in enum
    for item in iter(iterable):
  File "/usr/local/lib/python2.3/site-packages/trac/versioncontrol/diff.py", line 77, in _get_opcodes
    for tag, i1, i2, j1, j2 in matcher.get_opcodes():
  File "/usr/local/lib/python2.3/difflib.py", line 525, in get_opcodes
    for ai, bj, size in self.get_matching_blocks():
  File "/usr/local/lib/python2.3/difflib.py", line 473, in get_matching_blocks
    self.__helper(0, la, 0, lb, self.matching_blocks)
  File "/usr/local/lib/python2.3/difflib.py", line 490, in __helper
    self.__helper(i+k, ahi, j+k, bhi, answer)
  ...
  <repeated over again an insanely number of times>
  ...
  File "/usr/local/lib/python2.3/difflib.py", line 490, in __helper
    self.__helper(i+k, ahi, j+k, bhi, answer)
  File "/usr/local/lib/python2.3/difflib.py", line 490, in __helper
    self.__helper(i+k, ahi, j+k, bhi, answer)
  File "/usr/local/lib/python2.3/difflib.py", line 481, in __helper
    i, j, k = x = self.find_longest_match(alo, ahi, blo, bhi)
RuntimeError: maximum recursion depth exceeded

[Christian Boos]

Duplicate of #2756. This is a bug triggered by inconsistent line endings (mix of CRLF/LF), but the exact nature of the trigger is still unknown. If you have small files which can trigger the bug, please attach them to ticket #2756.