1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
"""
Utilities for creating dot output from a MachOGraph
XXX: need to rewrite this based on altgraph.Dot
"""
from collections import deque
try:
from itertools import imap
except ImportError:
imap = map
__all__ = ['itergraphreport']
def itergraphreport(nodes, describe_edge, name='G'):
edges = deque()
nodetoident = {}
def nodevisitor(node, data, outgoing, incoming):
return {'label': str(node)}
def edgevisitor(edge, data, head, tail):
return {}
yield 'digraph %s {\n' % (name,)
attr = dict(rankdir='LR', concentrate='true')
cpatt = '%s="%s"'
for item in attr.iteritems():
yield '\t%s;\n' % (cpatt % item,)
# find all packages (subgraphs)
for (node, data, outgoing, incoming) in nodes:
nodetoident[node] = getattr(data, 'identifier', node)
# create sets for subgraph, write out descriptions
for (node, data, outgoing, incoming) in nodes:
# update edges
for edge in imap(describe_edge, outgoing):
edges.append(edge)
# describe node
yield '\t"%s" [%s];\n' % (
node,
','.join([
(cpatt % item) for item in
nodevisitor(node, data, outgoing, incoming).iteritems()
]),
)
graph = []
while edges:
edge, data, head, tail = edges.popleft()
if data in ('run_file', 'load_dylib'):
graph.append((edge, data, head, tail))
def do_graph(edges, tabs):
edgestr = tabs + '"%s" -> "%s" [%s];\n'
# describe edge
for (edge, data, head, tail) in edges:
attribs = edgevisitor(edge, data, head, tail)
yield edgestr % (
head,
tail,
','.join([(cpatt % item) for item in attribs.iteritems()]),
)
for s in do_graph(graph, '\t'):
yield s
yield '}\n'
|
