python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Tools/scripts/dutree.py

@@ -0,0 +1,60 @@
+#! /usr/bin/env python3
+# Format du output in a tree shape
+
+import os, sys, errno
+
+def main():
+    p = os.popen('du ' + ' '.join(sys.argv[1:]), 'r')
+    total, d = None, {}
+    for line in p.readlines():
+        i = 0
+        while line[i] in '0123456789': i = i+1
+        size = eval(line[:i])
+        while line[i] in ' \t': i = i+1
+        filename = line[i:-1]
+        comps = filename.split('/')
+        if comps[0] == '': comps[0] = '/'
+        if comps[len(comps)-1] == '': del comps[len(comps)-1]
+        total, d = store(size, comps, total, d)
+    try:
+        display(total, d)
+    except IOError as e:
+        if e.errno != errno.EPIPE:
+            raise
+
+def store(size, comps, total, d):
+    if comps == []:
+        return size, d
+    if comps[0] not in d:
+        d[comps[0]] = None, {}
+    t1, d1 = d[comps[0]]
+    d[comps[0]] = store(size, comps[1:], t1, d1)
+    return total, d
+
+def display(total, d):
+    show(total, d, '')
+
+def show(total, d, prefix):
+    if not d: return
+    list = []
+    sum = 0
+    for key in d.keys():
+        tsub, dsub = d[key]
+        list.append((tsub, key))
+        if tsub is not None: sum = sum + tsub
+##  if sum < total:
+##      list.append((total - sum, os.curdir))
+    list.sort()
+    list.reverse()
+    width = len(repr(list[0][0]))
+    for tsub, key in list:
+        if tsub is None:
+            psub = prefix
+        else:
+            print(prefix + repr(tsub).rjust(width) + ' ' + key)
+            psub = prefix + ' '*(width-1) + '|' + ' '*(len(key)+1)
+        if key in d:
+            show(tsub, d[key][1], psub)
+
+if __name__ == '__main__':
+    main()