graph-deps

#! /usr/bin/python
#------------------------------------------------------------------------------#
# graph-deps
# by Remi Attab on 29-10-2012
#
# Generates a dot file of the dependencies in the build system.
#
# Syntax: graph-deps [folder [makefile]]
#
# The graph is dumped in stdout and it can be easily filtered using grep -v.
#
#------------------------------------------------------------------------------#

import sys
import jmlbuild


if len(sys.argv) == 1:
    graph = jmlbuild.parse_makefile("Makefile")
elif len(sys.argv) == 2:
    graph = jmlbuild.parse_makefile("Makefile", sys.argv[1])
else:
    graph = jmlbuild.parse_makefile(sys.argv[2], sys.argv[1])

print "digraph {"

for key in sorted(graph.edges.keys()):
    for value in graph.edges[key]:
        print "  \"%s\" -> \"%s\";" % (key, value)

print "}"