Tidy up in Polymer directory.

third_party/polymer/v1_0/create_components_summary.py

+# Copyright 2016 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 os
+import json
+
+COMPONENTS_DIR = 'components-chromium'
+COMPONENT_SUMMARY =\
+"""Name: %(name)s
+Version: %(version)s
+Repository: %(repository)s
+Tag: %(tag)s
+Revision: %(revision)s
+Tree link: %(tree)s
+"""
+
+for entry in sorted(os.listdir(COMPONENTS_DIR)):
+  component_path = os.path.join(COMPONENTS_DIR, entry)
+  if not os.path.isdir(component_path):
+    continue
+  bower_path = os.path.join(component_path, '.bower.json')
+  if not os.path.isfile(bower_path):
+    raise Exception('%s is not a file.' % bower_path)
+  with open(bower_path) as stream:
+    info = json.load(stream)
+  repository = info['_source']
+  tree = 'https%s/tree/%s' % (repository[3:-4], info['_resolution']['tag'])
+  print COMPONENT_SUMMARY % {
+    'name': info['name'],
+    'version': info['version'],
+    'repository': repository,
+    'tag': info['_resolution']['tag'],

[Dan Beam, 2016/02/09 02:06:02]

probably doesn't matter much, but when trying to test branches from the Polymer
folks (i.e. https://github.com/PolymerElements/iron-list/tree/focus-patch), at
least 'tag' isn't set

maybe we should be using .get('tag', '')?

this is an uncommon use case (so far) though

+    'revision': info['_resolution']['commit'],
+    'tree': tree
+  }