Move grit from DEPS into src.

tools/grit/grit/format/policy_templates/template_formatter.py

Index: tools/grit/grit/format/policy_templates/template_formatter.py
diff --git a/tools/grit/grit/format/policy_templates/template_formatter.py b/tools/grit/grit/format/policy_templates/template_formatter.py
new file mode 100755
index 0000000000000000000000000000000000000000..53b84ec0a7d7bae14265e945bab356801e04f76c
--- /dev/null
+++ b/tools/grit/grit/format/policy_templates/template_formatter.py
@@ -0,0 +1,73 @@
+#!/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.
+
+
+import sys
+from functools import partial
+
+from grit.format.policy_templates import policy_template_generator
+from grit.format.policy_templates import writer_configuration
+from grit.node import misc
+from grit.node import structure
+
+
+def GetFormatter(type):
+  return partial(_TemplateFormatter,
+                 'grit.format.policy_templates.writers.%s_writer' % type)
+
+
+def _TemplateFormatter(writer_module_name, root, lang, output_dir):
+  '''Creates a template file corresponding to an <output> node of the grit
+  tree.
+
+  More precisely, processes the whole grit tree for a given <output> node whose
+  type is one of adm, plist, plist_strings, admx, adml, doc, json, reg.
+  The result of processing is a policy template file with the given type and
+  language of the <output> node. This function does the interfacing with
+  grit, but the actual template-generating work is done in
+  policy_template_generator.PolicyTemplateGenerator.
+
+  Args:
+    writer_name: A string identifying the TemplateWriter subclass used
+      for generating the output.
+    root: the <grit> root node of the grit tree.
+    lang: the language of outputted text, e.g.: 'en'
+    output_dir: The output directory, currently unused here.
+
+  Yields the text of the template file.
+  '''
+  __import__(writer_module_name)
+  writer_module = sys.modules[writer_module_name]
+  config = writer_configuration.GetConfigurationForBuild(root.defines)
+  policy_data = _ParseGritNodes(root, lang)
+  policy_generator = \
+      policy_template_generator.PolicyTemplateGenerator(config, policy_data)
+  writer = writer_module.GetWriter(config)
+  yield policy_generator.GetTemplateText(writer)
+
+
+def _ParseGritNodes(root, lang):
+  '''Collects the necessary information from the grit tree:
+  the message strings and the policy definitions.
+
+  Args:
+    root: The root of the grit tree.
+    lang: the language of outputted text, e.g.: 'en'
+
+  Returns:
+    Policy data.
+  '''
+  policy_data = None
+  for item in root.ActiveDescendants():
+    with item:
+      if (isinstance(item, structure.StructureNode) and
+          item.attrs['type'] == 'policy_template_metafile'):
+        assert policy_data is None
+        json_text = item.gatherer.Translate(
+            lang,
+            pseudo_if_not_available=item.PseudoIsAllowed(),
+            fallback_to_english=item.ShouldFallbackToEnglish())
+        policy_data = eval(json_text)
+  return policy_data