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dep2dot.py
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dep2dot.py
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#!/usr/bin/env python
# Creates dot from Makefile.depend files
import os
import argparse
import re
dot_head = '''
digraph G {
concentrate=true
splines=true
node[shape=record,style=filled,fillcolor=white]
edge[color=gray50]
'''
dot_foot = ''' }
'''
# see http://www.graphviz.org/doc/info/colors.html for more colors
colors = [
'magenta',
'limegreen',
'navy',
'orange',
'red',
'salmon',
'blue',
'cyan',
'green',
'brown1',
'hotpink',
'lightcyan',
'gold',
'chocolate1',
'chartreuse2',
'cadetblue1',
'blueviolet',
'aquamarine2',
'deepskyblue',
'deeppink',
'darkorchid',
'darkorange',
'darksalmon',
'crimson',
'darkslategray',
'darkseagreen',
'violet',
'slateblue',
'violetred',
'springgreen',
'sienna',
'skyblue',
'sandybrown',
'sandybrown',
'tomato'
]
parser = argparse.ArgumentParser(
description='Build dependency graphs',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('files', help='The name(s) of the Makefile.depend(s)',
nargs='+')
args = parser.parse_args()
def transform(strg):
strg = strg.replace('-', '_')
strg = strg.replace('.lo:', ' ->')
strg = strg.replace('.lo', '')
strg = strg.replace('../', '')
return strg
def transform_external(strg, this_dir):
strg = re.sub(r".* ->", this_dir.replace('-', '_') + ' ->', strg)
strg = re.sub(r"/\w*", '', strg)
return strg
def deps_of_file(filename):
counter = 0
this_dir = os.path.basename(os.path.dirname(filename))
dot = open(filename, "r")
dep_strgs = []
for line in dot.readlines():
if len(args.files) == 1:
if "_ut" not in line and "/" not in line:
dep_strgs.append(line)
else:
if "_ut" not in line and "/" in line:
dep_strgs.append(line)
dep_strgs = list(set(dep_strgs))
if len(dep_strgs) == 0:
dep_strgs.append('"No internal dependencies"')
dep_strgs = map(transform, dep_strgs)
if len(args.files) > 1:
dep_strgs = map(lambda x: transform_external(x, this_dir), dep_strgs)
strgs = ['subgraph cluster' + str(counter) +
' {\n style=filled \n color=gray95 \n']
counter += 1
strgs += ['edge[color=' + colors.pop() + ']\n'] + list(set(dep_strgs))
strgs += ['}\n']
dep_strgs = strgs
return dep_strgs
results = []
for filename in args.files:
results += (deps_of_file(filename))
dot_strg = dot_head + ''.join(results) + dot_foot
print(dot_strg)

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