ImportError: cannot import name _noncomma

[Matthias Grzeschik]

Using the LaTeX package dot2texi I got the error message:

Opening dot2tex stream hierarchicalModels-dot2tex-fig1.dotTraceback (most recent call last):
  File "/usr/bin/dot2tex", line 2, in <module>
    from dot2tex.dot2tex import main
  File "/usr/lib/pymodules/python2.7/dot2tex/__init__.py", line 36, in <module>
    import dot2tex as d2t
  File "/usr/lib/pymodules/python2.7/dot2tex/dot2tex.py", line 47, in <module>
    import dotparsing
  File "/usr/lib/pymodules/python2.7/dot2tex/dotparsing.py", line 26, in <module>
    from pyparsing import (Literal, CaselessLiteral, Word, Upcase, OneOrMore, ZeroOrMore,
ImportError: cannot import name _noncomma

The expected figure is missing in the resulting document.

Removing an unused import in /usr/lib/pymodules/python2.7/dot2tex/dotparsing.py solves this issue in my case:

--- /usr/lib/pymodules/python2.7/dot2tex/dotparsing.py_orig 2013-11-28 09:19:59.833881987 +0100
+++ /usr/lib/pymodules/python2.7/dot2tex/dotparsing.py 2013-11-28 10:01:18.633962941 +0100
@@ -26,7 +26,7 @@
 from pyparsing import (Literal, CaselessLiteral, Word, Upcase, OneOrMore, ZeroOrMore,
     Forward, NotAny, delimitedList, oneOf, Group, Optional, Combine, alphas, nums,
     restOfLine, cStyleComment, nums, alphanums, printables, empty, quotedString,
- ParseException, ParseResults, CharsNotIn, _noncomma, dblQuotedString, QuotedString, ParserElement,
+ ParseException, ParseResults, CharsNotIn, dblQuotedString, QuotedString, ParserElement,
     Suppress,Regex,removeQuotes)

 dot_keywords = ['graph', 'subgraph', 'digraph', 'node', 'edge', 'strict']

I'm using:

$ lsb_release -rd
Description: Ubuntu 13.10
Release: 13.10
$ apt-cache policy dot2tex
dot2tex:
  Installed: 2.8.7+repack-1
  Candidate: 2.8.7+repack-1
  Version table:
 *** 2.8.7+repack-1 0
        500 http://ftp5.gwdg.de/pub/linux/debian/ubuntu/ saucy/universe amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: dot2tex 2.8.7+repack-1 [modified: usr/share/pyshared/dot2tex/dotparsing.py]
ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
Uname: Linux 3.11.0-13-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: amd64
Date: Thu Nov 28 09:43:58 2013
MarkForUpload: True
PackageArchitecture: all
SourcePackage: dot2tex
UpgradeStatus: Upgraded to saucy on 2013-11-02 (26 days ago)

[Hans Joachim Desserud (hjd)]

Thanks for taking your time to report this issue and help making Ubuntu better.

I can confirm that dot2tex crash with the same error message on Ubuntu Trusty. I also found that this bug has been reported upstream to Debian, so I attached a bug watch)

[Javier López (javier-lopez)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. However, I am closing it because the bug has been fixed in the latest development version of Ubuntu - Trusty Thar.

If you need a fix for the bug in previous versions of Ubuntu, please do steps 1 and 2 of the SRU Procedure [1] to bring the need to a developer's attention.

[1]: https://wiki.ubuntu.com/StableReleaseUpdates#Procedure

apt-cache policy dot2tex
dot2tex:
  Installed: 2.8.7+repack-1.1
  Candidate: 2.8.7+repack-1.1
  Version table:
 *** 2.8.7+repack-1.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
        100 /var/lib/dpkg/status

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