[NaCl SDK] Refactor sdk_update*.

native_client_sdk/src/build_tools/build_updater.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Build script to generate a new sdk_tools bundle.
 
 This script packages the files necessary to generate the SDK updater -- the
 tool users run to download new bundles, update existing bundles, etc.
 """
 
 import buildbot_common
 import build_utils
+import glob
 import optparse
 import os
 import sys
 
 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
 SDK_SRC_DIR = os.path.dirname(SCRIPT_DIR)
 SDK_DIR = os.path.dirname(SDK_SRC_DIR)
 SRC_DIR = os.path.dirname(SDK_DIR)
 NACL_DIR = os.path.join(SRC_DIR, 'native_client')
 CYGTAR = os.path.join(NACL_DIR, 'build', 'cygtar.py')
 
 sys.path.append(os.path.join(SDK_SRC_DIR, 'tools'))
 
 import oshelpers
 
 
 UPDATER_FILES = [
   # launch scripts
   ('build_tools/naclsdk', 'nacl_sdk/naclsdk'),
   ('build_tools/naclsdk.bat', 'nacl_sdk/naclsdk.bat'),
 
   # base manifest
   ('build_tools/json/naclsdk_manifest0.json',
       'nacl_sdk/sdk_cache/naclsdk_manifest2.json'),
 
   # SDK tools
   ('build_tools/sdk_tools/cacerts.txt', 'nacl_sdk/sdk_tools/cacerts.txt'),
-  ('build_tools/sdk_tools/sdk_update.py', 'nacl_sdk/sdk_tools/sdk_update.py'),
-  ('build_tools/sdk_tools/sdk_update_common.py',
-      'nacl_sdk/sdk_tools/sdk_update_common.py'),
-  ('build_tools/sdk_tools/sdk_update_main.py',
-      'nacl_sdk/sdk_tools/sdk_update_main.py'),
-  ('build_tools/manifest_util.py', 'nacl_sdk/sdk_tools/manifest_util.py'),
-  ('build_tools/sdk_tools/third_party/__init__.py',
-      'nacl_sdk/sdk_tools/third_party/__init__.py'),
-  ('build_tools/sdk_tools/third_party/fancy_urllib/__init__.py',
-      'nacl_sdk/sdk_tools/third_party/fancy_urllib/__init__.py'),
+  ('build_tools/sdk_tools/*.py', 'nacl_sdk/sdk_tools/'),
+  ('build_tools/sdk_tools/command/*.py', 'nacl_sdk/sdk_tools/command/'),
+  ('build_tools/sdk_tools/third_party/*.py', 'nacl_sdk/sdk_tools/third_party/'),
+  ('build_tools/sdk_tools/third_party/fancy_urllib/*.py',
+      'nacl_sdk/sdk_tools/third_party/fancy_urllib/'),
   ('build_tools/sdk_tools/third_party/fancy_urllib/README',
       'nacl_sdk/sdk_tools/third_party/fancy_urllib/README'),
+  ('build_tools/manifest_util.py', 'nacl_sdk/sdk_tools/manifest_util.py'),
   ('LICENSE', 'nacl_sdk/sdk_tools/LICENSE'),
   (CYGTAR, 'nacl_sdk/sdk_tools/cygtar.py'),
 ]
 
 
 def MakeUpdaterFilesAbsolute(out_dir):
   """Return the result of changing all relative paths in UPDATER_FILES to
   absolute paths.
 
   Args:
     out_dir: The output directory.
   Returns:
     A list of 2-tuples. The first element in each tuple is the source path and
     the second is the destination path.
   """
   assert os.path.isabs(out_dir)
 
   result = []
   for in_file, out_file in UPDATER_FILES:
     if not os.path.isabs(in_file):
       in_file = os.path.join(SDK_SRC_DIR, in_file)
     out_file = os.path.join(out_dir, out_file)
     result.append((in_file, out_file))
   return result
 
 
+def GlobFiles(files):
+  """Expand wildcards for 2-tuples of sources/destinations.
+
+  This function also will convert destinations from directories into filenames.
+  For example:
+    ('foo/*.py', 'bar/') => [('foo/a.py', 'bar/a.py'), ('foo/b.py', 'bar/b.py')]
+
+  Args:
+    files: A list of 2-tuples of (source, dest) paths.
+  Returns:
+    A new list of 2-tuples, after the sources have been wildcard-expanded, and
+    the destinations have been changed from directories to filenames.
+  """
+  result = []
+  for in_file_glob, out_file in files:
+    if out_file.endswith('/'):
+      for in_file in glob.glob(in_file_glob):
+        result.append((in_file,
+                      os.path.join(out_file, os.path.basename(in_file))))
+    else:
+      result.append((in_file_glob, out_file))
+  return result
+
+
 def CopyFiles(files):
   """Given a list of 2-tuples (source, dest), copy each source file to a dest
   file.
 
   Args:
     files: A list of 2-tuples."""
   for in_file, out_file in files:
     buildbot_common.MakeDir(os.path.dirname(out_file))
     buildbot_common.CopyFile(in_file, out_file)
 
@@ skipping 33 matching lines @@
     revision_number: The revision number of this updater, as an integer. Or
         None, to use the current Chrome revision."""
   buildbot_common.BuildStep('Create Updater')
 
   out_dir = os.path.abspath(out_dir)
 
   # Build SDK directory
   buildbot_common.RemoveDir(os.path.join(out_dir, 'nacl_sdk'))
 
   updater_files = MakeUpdaterFilesAbsolute(out_dir)
+  updater_files = GlobFiles(updater_files)
 
   CopyFiles(updater_files)
   UpdateRevisionNumber(out_dir, revision_number)
 
   out_files = [os.path.relpath(out_file, out_dir)
                for _, out_file in updater_files]
 
   # Make zip
   buildbot_common.RemoveFile(os.path.join(out_dir, 'nacl_sdk.zip'))
   buildbot_common.Run([sys.executable, oshelpers.__file__, 'zip',
@@ skipping 19 matching lines @@
       dest='revision', default=None)
   options, args = parser.parse_args(args[1:])
 
   if options.revision:
     options.revision = int(options.revision)
   BuildUpdater(options.out_dir, options.revision)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))