[Epydoc-commits] SF.net SVN: epydoc: [1805] trunk/epydoc/src/epydoc/docwriter/dotgraph.py

[<ed...@us...>]

Revision: 1805
          http://epydoc.svn.sourceforge.net/epydoc/?rev=1805&view=rev
Author:   edloper
Date:     2008-02-27 12:24:06 -0800 (Wed, 27 Feb 2008)

Log Message:
-----------
- If the dot executable is not found, issue an error, and don't try to
  generate further graphs.

Modified Paths:
--------------
    trunk/epydoc/src/epydoc/docwriter/dotgraph.py

Modified: trunk/epydoc/src/epydoc/docwriter/dotgraph.py
===================================================================
--- trunk/epydoc/src/epydoc/docwriter/dotgraph.py	2008-02-27 19:54:39 UTC (rev 1804)
+++ trunk/epydoc/src/epydoc/docwriter/dotgraph.py	2008-02-27 20:24:06 UTC (rev 1805)
@@ -357,6 +357,7 @@
         return self._run_dot('-T%s' % language, size=size)
 
     def _run_dot(self, *options, **kwparam):
+        if get_dot_version() == (0,): return None
         try:
             result, err = run_subprocess((DOT_COMMAND,)+options,
                                          self.to_dotfile(**kwparam))
@@ -1507,6 +1508,10 @@
             else:
                 _dot_version = (0,)
         except OSError, e:
+            log.error('dot executable not found; graphs will not be '
+                      'generated.  Adjust your shell\'s path, or use '
+                      '--dotpath to specify the path to the dot '
+                      'executable.' % DOT_COMMAND)
             _dot_version = (0,)
         log.info('Detected dot version %s' % _dot_version)
     return _dot_version


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