Convert java library javac/jar to python

build/android/pylib/build_utils.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import fnmatch
 import os
+import shlex
+import shutil
 
 
-def EnsureDirectoryExists(dir_path):
+def MakeDirectory(dir_path):

[newt (away), 2013/03/15 23:01:19]

Yea, that's clearer.

   try:
     os.makedirs(dir_path)
   except OSError:
     pass
 
 
+def DeleteDirectory(dir_path):
+  if os.path.exists(dir_path):
+    shutil.rmtree(dir_path)
+
+
+def Touch(path):
+  MakeDirectory(os.path.dirname(path))
+  with open(path, 'a'):
+    os.utime(path, None)
+
+
+def FindInDirectory(directory, filter):
+  files = []
+  for root, dirnames, filenames in os.walk(directory):
+    matched_files = fnmatch.filter(filenames, filter)
+    files.extend((os.path.join(root, f) for f in matched_files))
+  return files
+
+
+def FindInDirectories(directories, filter):
+  all_files = []
+  for directory in directories:
+    all_files.extend(FindInDirectory(directory, filter))
+  return all_files
+
+
+def ParseGypList(gyp_string):
+  # The ninja generator doesn't support $ in strings, so use ## to
+  # represent $.
+  # TODO(cjhopman): Remove when
+  # https://code.google.com/p/gyp/issues/detail?id=327
+  # is addressed.
+  gyp_string = gyp_string.replace('##', '$')
+  return shlex.split(gyp_string)
+
+