Script for exporting WPT

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 base64
+import os
+import httplib2
+import json
+from webkitpy.common.webkit_finder import WebKitFinder
+from webkitpy.w3c.local_wpt import LocalWPT
+from webkitpy.w3c.chromium_wpt import ChromiumWPT
+
+
+class TestExporter(object):
+
+    def __init__(self, host, options):
+        self.host = host
+        self.options = options
+        self.fs = self.host.filesystem
+        self.finder = WebKitFinder(self.host.filesystem)
+
+    def run(self):
+        # TODO: the script does not handle reverted changes right now
+
+        local_wpt = LocalWPT(self.host, no_fetch=self.options.no_fetch)
+        chromium_wpt = ChromiumWPT(self.host)
+        wpt_commit, cr_commit = local_wpt.most_recent_cr_commit()
+
+        if cr_commit:
+            self.host.print_('## Found last exported WPT commit:')
+            self.host.print_('##   web-platform-tests@{0}'.format(wpt_commit))
+            self.host.print_('##   chromium@{0}'.format(cr_commit))
+        else:
+            self.host.print_('## No Chromium export commits found in WPT, stopping.')
+            return
+
+        self.host.print_('## Finding exportable commits in Chromium...')
+        exportable_commits = chromium_wpt.exportable_commits_since(cr_commit)
+
+        if exportable_commits:
+            self.host.print_('## Found {0} exportable commits in chromium'.format(len(exportable_commits)))
+            for commit in exportable_commits:
+                self.host.print_('##   {0} {1}'.format(commit[0:6], chromium_wpt.subject(commit)))
+        else:
+            self.host.print_('## No exportable commits found in Chromium, stopping.')
+            return
+
+        for commit in exportable_commits:
+            patch = chromium_wpt.wpt_diff_patch(commit)
+            message = chromium_wpt.message(commit)
+            # TODO: this is a placeholder until we land actual commits on chromium master
+            message += '\n\nCr-Commit-Position: refs/heads/master@{#427719}'
+            branch_name = 'chromium-try-{}'.format(commit)
+            local_wpt.create_branch_with_patch(branch_name, message, patch)
+
+            desc_title = chromium_wpt.subject(commit)
+            user = os.environ.get('GH_USER')
+            assert user
+            pr_branch_name = '{}:{}'.format(user, branch_name)
+            github_create_pr(pr_branch_name, desc_title)
+

[jeffcarp, 2016/10/31 18:46:34]

Notes on this file: I'm thinking of removing the TestExporter class and turning
it into a method in sync.py.

Also the two GitHub methods below are here simply out of convenience. I'm
thinking of moving them into their own helper class.

+
+def github_auth_token():
+    user = os.environ.get('GH_USER')
+    token = os.environ.get('GH_TOKEN')
+    assert user and token
+    return base64.encodestring('{}:{}'.format(user, token))
+
+
+def github_create_pr(branch_name, desc_title):
+    # https://developer.github.com/v3/pulls/#create-a-pull-request
+    conn = httplib2.Http()
+    headers = {
+        "Accept": "application/vnd.github.v3+json",
+        "Authorization": "Basic " + github_auth_token()
+    }
+    body = {
+        "title": desc_title,
+        "body": "Test PR - testing export from Chromium",
+        "head": branch_name,
+        "base": "master"
+    }
+    resp, content = conn.request("https://api.github.com/repos/w3c/web-platform-tests/pulls",
+                                 "POST", body=json.JSONEncoder().encode(body), headers=headers)
+    print "GitHub response:"
+    print content
+    if resp["status"] != "201":
+        return None
+    return json.loads(content)