error in depgraph when apache encoding set to utf8

[villalvilla@…]

This is the error that appears on the python traceback:

Python Traceback Most recent call last:

• File "/tmp/TracMasterTickets-2.1.3-py2.4.egg-tmp/mastertickets/templates/depgraph.html", line 22, in <Expression u"Markup(graph_render('cmapx').decode('utf8'))"> Code fragment:
  17. <div id="content">
  18. <h1>Dependency Graph for Ticket #$tkt.id</h1>
  19. <img src="${href.depgraph(tkt.id, 'depgraph.png')}"
  20. alt="Dependency graph" usemap="${(not use_gs) and '#graph' or None}" />
  21. <py:if test="not use_gs">
  22. ${Markup(graph_render('cmapx').decode('utf8'))}
  23. </py:if>
  24. </div>
  25. </body>
  26. </html>
  Local variables: Name Value data [{'abs_url_of': <function get_abs_url at 0xb3e5f224>, 'all': <function all ...
• File "/usr/lib/python2.4/site-packages/trac/util/compat.py", line 133, in newfunc Code fragment:
  128. try:
  129. from functools import partial
  130. except ImportError:
  131. def partial(func_, *args, kwargs):
  132. def newfunc(*fargs, fkwargs):
  133. return func_(*(args + fargs), dict(kwargs, fkwargs))
  134. newfunc.func = func_
  135. newfunc.args = args
  136. newfunc.keywords = kwargs
  137. try:
  138. newfunc.name = func_.name
  Local variables: Name Value args (u'dot',) fargs ('cmapx',) fkwargs {} func_ <bound method Graph.render of <mastertickets.graphviz.Graph object at ... kwargs {}
• File "build/bdist.linux-i686/egg/mastertickets/graphviz.py", line 129, in render Local variables: Name Value dot_path u'dot' format 'cmapx' self <mastertickets.graphviz.Graph object at 0xb40a0fac>
• File "subprocess.py", line 543, in init Local variables: Name Value args [u'dot', '-Tcmapx'] bufsize 0 c2pread 65 c2pwrite 66 close_fds False creationflags 0 cwd None env None errread None errwrite None executable None p2cread 63 p2cwrite 64 preexec_fn None self <subprocess.Popen object at 0xb3e609cc> shell False startupinfo None stderr None stdin -1 stdout -1 universal_newlines False
• File "subprocess.py", line 975, in _execute_child Local variables: Name Value args [u'dot', '-Tcmapx'] c2pread 65 c2pwrite 66 child_exception <exceptions.OSError instance at 0xb3e609ec> close_fds False creationflags 0 cwd None data '(iexceptions\nOSError\np0\n(dp1\nS\'errno\'\np2\nI2\nsS\'args\'\np3\n(I2\n ... env None errpipe_read 67 errpipe_write 68 errread None errwrite None executable u'dot' p2cread 63 p2cwrite 64 preexec_fn None self <subprocess.Popen object at 0xb3e609cc> shell False startupinfo None universal_newlines False

File "/tmp/TracMasterTickets-2.1.3-py2.4.egg-tmp/mastertickets/templates/depgraph.html", line 22, in <Expression u"Markup(graph_render('cmapx').decode('utf8'))">

${Markup(graph_render('cmapx').decode('utf8'))}

File "/usr/lib/python2.4/site-packages/trac/util/compat.py", line 133, in newfunc

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

File "build/bdist.linux-i686/egg/mastertickets/graphviz.py", line 129, in renderFile "subprocess.py", line 543, in initFile "subprocess.py", line 975, in _execute_child

[villalvilla@…]

bug for the ticket 4218

[nasrullah@…]

dot is not installed. Please install it from ​http://www.graphviz.org/ on Ubuntu you can run sudo apt-get install graphviz