Prepare for moving grit to its own open-source project. This mostly

tools/grit/grit_info.py

 #!/usr/bin/python
 # Copyright (c) 2011 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.
 
 '''Tool to determine inputs and outputs of a grit file.
 '''
 
 import optparse
 import os
 import posixpath
 import types
 import sys
+
 from grit import grd_reader
 from grit import util
 
 ##############################################################################
 # os.path.relpath is python 2.6 only. Some bots still run 2.5 only, so I took
 # the relpath implementation from the python source.
 # TODO(thakis): Once we're on 2.6 everywhere, remove this and use
 # os.path.relpath directly.
 
 # http://docs.python.org/license.html
@@ skipping 62 matching lines @@
         raise ValueError("no path specified")
 
     start_list = os.path.abspath(start).split(os.path.sep)
     path_list = os.path.abspath(path).split(os.path.sep)
 
     # Work out how much of the filepath is shared by start and path.
     i = len(commonprefix([start_list, path_list]))
 
     rel_list = [os.path.pardir] * (len(start_list)-i) + path_list[i:]
     if not rel_list:
-        return curdir
+        return os.path.curdir
     return os.path.join(*rel_list)
 ##############################################################################
 
 
 class WrongNumberOfArguments(Exception):
   pass
 
 
 def Outputs(filename, defines):
   grd = grd_reader.Parse(
@@ skipping 25 matching lines @@
             target.append(path)
 
   return [t.replace('\\', '/') for t in target]
 
 
 def GritSourceFiles():
   files = []
   grit_root_dir = relpath(os.path.dirname(__file__), os.getcwd())
   for root, dirs, filenames in os.walk(grit_root_dir):
     grit_src = [os.path.join(root, f) for f in filenames
-                if f.endswith('.py') or f == 'resource_ids']
+                if f.endswith('.py')]
     files.extend(grit_src)
+  # TODO(joi@chromium.org): Once we switch to specifying the
+  # resource_ids file via a .grd attribute, it should be considered an
+  # input of grit and this bit should no longer be necessary.
+  default_resource_ids = relpath(
+      os.path.join(grit_root_dir, '..', 'gritsettings', 'resource_ids'),
+      os.getcwd())
+  if os.path.exists(default_resource_ids):
+    files.append(default_resource_ids)
   return files
 
 
 def Inputs(filename, defines):
   grd = grd_reader.Parse(
       filename, debug=False, defines=defines, tags_to_ignore=set(['messages']))
   files = []
   for node in grd:
     if (node.name == 'structure' or node.name == 'skeleton' or
         (node.name == 'file' and node.parent and
@@ skipping 68 matching lines @@
   except WrongNumberOfArguments, e:
     PrintUsage()
     print e
     return 1
   print result
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))