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 itertools

[Yaron, 2013/03/14 23:03:51]

unused

[cjhopman, 2013/03/15 22:44:39]

Done.

 import os
+import shutil
 
 
 def EnsureDirectoryExists(dir_path):

[newt (away), 2013/03/15 03:25:04]

MakeDirIfNotExists?  the current name sounds assert-y... but maybe that's just
me.

[cjhopman, 2013/03/15 22:44:39]

Yeah, I didn't really like this name either... Maybe MkDirDashP? That's what
this is really doing...

How about just MakeDirectory.

   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):
+  EnsureDirectoryExists(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):
+    files.extend(map(lambda f: os.path.join(root, f),
+        fnmatch.filter(filenames, filter)))

[newt (away), 2013/03/15 03:25:04]

list comprehension?

    rel_files = fnmatch.filter(filenames, filter)
    files += [os.path.join(root, f) for f in rel_files]

[cjhopman, 2013/03/15 22:44:39]

Done.

+  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):

[newt (away), 2013/03/15 03:25:04]

gyp_string = gyp_string.replace('##','$')
return shlex.split(gyp_string)

[cjhopman, 2013/03/15 22:44:39]

Oh, shlex... much nicer. Done.

+  # With the ninja generator, some list members are in double quotes,

[Yaron, 2013/03/14 23:03:51]

Why would we have these charcters in strings? "$" for inner classes? Double
quote?

[cjhopman, 2013/03/15 22:44:39]

Precisely. I could find no way to escape/quote such a string to make it work.

+  # some aren't. For now, this only supports a limited format for lists
+  # (i.e. no spaces or double quotes in items).
+  gyp_list = gyp_string.split()
+  gyp_list = map(lambda s: s.replace('"', ''), gyp_list)
+  # The ninja generator doesn't support $ in strings, so use ## to

[newt (away), 2013/03/15 03:25:04]

is there any way we can change the generator to support $?  it would be nice to
have this escaping built into gyp.

[cjhopman, 2013/03/15 22:44:39]

I agree. Updated with a gyp bug tracking this.

+  # represent $.
+  gyp_list = map(lambda s: s.replace('##', '$'), gyp_list)
+  return gyp_list
+
+