[76788] users/eborisch

[eborisch at macports.org]

Revision: 76788
          http://trac.macports.org/changeset/76788
Author:   eborisch at macports.org
Date:     2011-03-08 09:46:20 -0800 (Tue, 08 Mar 2011)
Log Message:
-----------
Utility for visualizing dependency tree. Uses dot to generate a directed graph of the requested ports, up to the requested depth.

Usage: depTree.py portname [portname ...] [depth (integer; 0 implies infinite depth.)]"

Added Paths:
-----------
    users/eborisch/macports_utils/
    users/eborisch/macports_utils/depTree.py

Added: users/eborisch/macports_utils/depTree.py
===================================================================
--- users/eborisch/macports_utils/depTree.py	                        (rev 0)
+++ users/eborisch/macports_utils/depTree.py	2011-03-08 17:46:20 UTC (rev 76788)
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+#
+# Copyright 2011 Eric A. Borisch. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+#
+#   1. Redistributions of source code must retain the above copyright notice, this list of
+#      conditions and the following disclaimer.
+#
+#   2. Redistributions in binary form must reproduce the above copyright notice, this list
+#      of conditions and the following disclaimer in the documentation and/or other materials
+#      provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY ERIC A. BORISCH ``AS IS'' AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ERIC A. BORISCH OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# 
+# The views and conclusions contained in the software and documentation are those of the
+# authors and should not be interpreted as representing official policies, either expressed
+# or implied, of Eric A. Borisch.
+
+
+import sys
+import os
+import re
+
+def usage():
+  print("Usage: depTree.py port_name [max_depth (0 = infinite)]")
+  sys.exit(0)
+
+scannedDeps=set()
+sentLines=set()
+
+if len(sys.argv) < 2:
+  usage()
+
+if "-?" in sys.argv:
+  usage()
+
+def extract(line):
+  return [x.strip() for x in line[line.find(":")+1:].split(',')]
+
+def scanDeps(a, depth):
+  # Don't scan twice
+  if (a,depth) in scannedDeps:
+    return
+  else:
+    scannedDeps.add((a,depth))
+
+  if maxDepth and depth + 1 > maxDepth :
+    return
+  (inp,result)=os.popen2("port info " + a)
+  result = result.readlines();
+
+  for line in result:
+    if re.search("Build Dependencies",line):
+      style = "[style=dotted]"
+    elif re.search("Library Dependencies",line):
+      style = ""
+    else:
+      continue
+
+    deps = extract(line)
+    for dep in deps:
+      newOut = '"%s" -> "%s" %s;' % (a,dep,style)
+      if not newOut in sentLines:
+        sentLines.add(newOut)
+        dotProc.stdin.write(newOut)
+      scanDeps(dep,depth+1)
+
+maxDepth = 0
+
+for arg in sys.argv[1:]:
+  try:
+    if int(arg):
+      maxDepth = int(arg)
+      sys.argv.remove(arg)
+  except:
+    pass
+
+from subprocess import *
+
+dotProc = Popen(["dot","-Tpng"], stdin=PIPE, stdout=PIPE)
+
+dotProc.stdin.write("Digraph G {")
+for port in sys.argv[1:]:
+  scanDeps(port, 0)
+dotProc.stdin.write("}")
+
+if dotProc.returncode:
+  print ("Error in dot subprocess!?)")
+  sys.exit(dotProc.returncode)
+
+results = dotProc.communicate()
+oFile=open(sys.argv[1] + ".png",'w')
+oFile.write(results[0])
+oFile.close()
+
+v=Popen(("open" , sys.argv[1]+".png"))
+v.communicate()
+sys.exit(0)
+


Property changes on: users/eborisch/macports_utils/depTree.py
___________________________________________________________________
Added: svn:executable
   + *
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