Remove Rietveld class and all dependencies on it.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/rietveld.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.
-
-"""Utility functions to communicate with Rietveld."""
-
-import json
-import logging
-import urllib2
-
-from webkitpy.common.net.buildbot import Build, filter_latest_builds
-
-_log = logging.getLogger(__name__)
-
-BASE_CODEREVIEW_URL = 'https://codereview.chromium.org/api'
-
-
-class Rietveld(object):
-
-    def __init__(self, web):
-        self.web = web
-
-    def latest_try_jobs(self, issue_number, builder_names=None, patchset_number=None):
-        """Returns a list of Build objects for builds on the latest patchset.
-
-        Args:
-            issue_number: A Rietveld issue number.
-            builder_names: A collection of builder names. If specified, only results
-                from the given list of builders will be kept.
-            patchset_number: If given, a specific patchset will be used instead of the latest one.
-
-        Returns:
-            A list of Build objects, where Build objects for completed jobs have a build number,
-            and Build objects for pending jobs have no build number.
-        """
-        try:
-            if patchset_number:
-                url = self._patchset_url(issue_number, patchset_number)
-            else:
-                url = self._latest_patchset_url(issue_number)
-            patchset_data = self._get_json(url)
-        except (urllib2.URLError, ValueError):
-            return []
-
-        builds = []
-        for result_dict in patchset_data['try_job_results']:
-            build = Build(result_dict['builder'], result_dict['buildnumber'])
-            # Normally, a value of -1 or 6 in the "result" field indicates the job is
-            # started or pending, and the "buildnumber" field is null.
-            if build.build_number and result_dict['result'] in (-1, 6):
-                _log.warning('Build %s has result %d, but unexpectedly has a build number.', build, result_dict['result'])
-                build.build_number = None
-            builds.append(build)
-
-        if builder_names is not None:
-            builds = [b for b in builds if b.builder_name in builder_names]
-
-        return filter_latest_builds(builds)
-
-    def changed_files(self, issue_number):
-        """Lists the files included in a CL that are changed but not deleted.
-
-        File paths are sorted and relative to the repository root.
-        """
-        try:
-            url = self._latest_patchset_url(issue_number)
-            issue_data = self._get_json(url)
-            return sorted(path for path, file_change in issue_data['files'].iteritems() if file_change['status'] != 'D')
-        except (urllib2.URLError, ValueError, KeyError):
-            _log.warning('Failed to list changed files for issue %s.', issue_number)
-            return None
-
-    def _latest_patchset_url(self, issue_number):
-        issue_data = self._get_json(self._issue_url(issue_number))
-        latest_patchset_number = issue_data["patchsets"][-1]
-        return self._patchset_url(issue_number, latest_patchset_number)
-
-    def _get_json(self, url):
-        """Fetches JSON from a URL, and logs errors if the request was unsuccessful.
-
-        Raises:
-            urllib2.URLError: Something went wrong with the request.
-            ValueError: The response wasn't valid JSON.
-        """
-        try:
-            contents = self.web.get_binary(url)
-        except urllib2.URLError:
-            _log.error('Request failed to URL: %s', url)
-            raise
-        try:
-            return json.loads(contents)
-        except ValueError:
-            _log.error('Invalid JSON: %s', contents)
-            raise
-
-    def _issue_url(self, issue_number):
-        return '%s/%s' % (BASE_CODEREVIEW_URL, issue_number)
-
-    def _patchset_url(self, issue_number, patchset_number):
-        return '%s/%s' % (self._issue_url(issue_number), patchset_number)