The pyparsing module is an alternative approach to creating and executing
simple grammars, vs. the traditional lex/yacc approach, or the use of regular
expressions. The pyparsing module provides a library of classes that client
code uses to construct the grammar directly in Python code.
add devel/py-pyparsing-2.0.1
allows to easily create both directed and non directed graphs from Python.
Currently all attributes implemented in the Dot language are supported (up to
Graphviz 2.26.3).

Output can be inlined in Postscript into interactive scientific environments
like TeXmacs, or output in any of the format's supported by the Graphviz tools
dot, neato, twopi.
add graphics/py-pydot-1.0.28
remove unwanted introspection option from PKG_SUGGESTED_OPTIONS.
PR pkg/48072.
update to 1.2.1
changes:
-internal refactoring to the way that we calculate and process distance
 scores in the autotagger
-Python-2.6 compatibility fixes, other minor fixes
update to 5.22
changes:
-New hacks, kaleidocycle, quasicrystal, unknownpleasures and hexadrop
-Performance improvements for interference
-bugfixes
reset PKGREV for base pkg update
update to 1.0.8
changes: minor fixes
update to 1.0.8
changes: bugfixes
update to 1.0.8
changes:
-rfbsrc plugin ported to 1.0
-bugfixes
update to 1.0.8
change: lamemp3enc: fix timestamping of outgoing buffers
reset PKGREV for base pkg update
update to 1.0.8
no changes relevant to pkgsrc, just kept gst1 revision numbers in sync
update to 2.0.7
changes:
-bugfixes
-translation updates