| # Copyright (c) 2011 Google Inc. All rights reserved. |
| # Copyright (C) 2017 Apple Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from webkitpy.tool.bot.patchanalysistask import PatchAnalysisTask, PatchAnalysisTaskDelegate, UnableToApplyPatch, PatchIsNotValid, PatchIsNotApplicable |
| |
| |
| class EarlyWarningSystemTaskDelegate(PatchAnalysisTaskDelegate): |
| pass |
| |
| |
| class EarlyWarningSystemTask(PatchAnalysisTask): |
| def __init__(self, delegate, patch, should_run_tests=True, should_build=True): |
| PatchAnalysisTask.__init__(self, delegate, patch) |
| self._should_run_tests = should_run_tests |
| self._should_build = should_build |
| |
| def validate(self): |
| # FIXME: Need a way to ask the status server for latest status of a security bug. |
| # Attachments downloaded from the status server do not have an associated bug and |
| # reflect the Bugzilla state at the time they were uploaded to the status server. |
| # See <https://bugs.webkit.org/show_bug.cgi?id=186817>. |
| self._patch = self._delegate.refetch_patch(self._patch) |
| if self._patch.is_obsolete(): |
| self.error = "Patch is obsolete." |
| return False |
| if self._patch.bug() and self._patch.bug().is_closed(): |
| self.error = "Bug is already closed." |
| return False |
| if self._patch.review() == "-": |
| self.error = "Patch is marked r-." |
| return False |
| return True |
| |
| def run(self): |
| """ |
| Returns True if the patch passes EWS. |
| Raises an exception if the patch fails EWS. |
| Returns False if the patch status can not be ascertained. AbstractEarlyWarningSystem.review_patch() |
| will unlock the patch so that it would be retried. |
| """ |
| if not self._clean(): |
| return False |
| if not self._update(): |
| return False |
| if not self._apply(): |
| raise UnableToApplyPatch(self._patch) |
| if not self._check_patch_relevance(): |
| raise PatchIsNotApplicable(self._patch) |
| if self._should_build: |
| if not self._build(): |
| if not self._build_without_patch(): |
| return False |
| return self.report_failure() |
| if not self._should_run_tests: |
| return True |
| return self._test_patch() |