Add label after creating PR, refactor WPTGitHub.request

third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_exporter.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 logging
 
 from webkitpy.w3c.local_wpt import LocalWPT
 from webkitpy.w3c.chromium_commit import ChromiumCommit
 
 _log = logging.getLogger(__name__)
@@ skipping 80 matching lines @@
 
         local_branch_name = self.local_wpt.create_branch_with_patch(message, patch)
 
         response_data = self.wpt_github.create_pr(
             local_branch_name=local_branch_name,
             desc_title=outbound_commit.subject(),
             body=outbound_commit.body())
 
         _log.info('Create PR response: %s', response_data)
 
+        if response_data:
+            data, status_code = self.wpt_github.add_label(response_data['number'])
+            _log.info('Add label response (status %s): %s', status_code, data)
+
     def exportable_commits_since(self, commit):
         """Returns SHAs of exportable commits since `commit` in chronological order.
 
         Args:
             commit: The SHA of the Chromium commit from which this method will look.
         """
         repo_root = self.host.executive.run_command([
             'git', 'rev-parse', '--show-toplevel'
         ]).strip()
 
         commits = self.host.executive.run_command([
             'git', 'rev-list', '{}..HEAD'.format(commit), '--reverse',
             '--', repo_root + '/' + CHROMIUM_WPT_DIR
         ]).splitlines()
 
         chromium_commits = [ChromiumCommit(self.host, sha=c) for c in commits]
 
         def is_exportable(chromium_commit):
             patch = chromium_commit.format_patch()
             return (
                 patch
                 and self.local_wpt.test_patch(patch)
                 and 'NOEXPORT=true' not in chromium_commit.message()
                 and not chromium_commit.message().startswith('Import ')
             )
 
         return [c for c in chromium_commits if is_exportable(c)]