| # 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. |
| |
| |
| # pylint: disable=W0201 |
| |
| |
| from recipe_engine import recipe_api |
| |
| |
| TEST_DEFAULT_ASSET_VERSION = '42' |
| |
| class SkiaStepApi(recipe_api.RecipeApi): |
| |
| def __init__(self, *args, **kwargs): |
| """Initialize the recipe module.""" |
| super(SkiaStepApi, self).__init__(*args, **kwargs) |
| |
| self._already_ran = {} |
| self._ccache = None |
| self._checked_for_ccache = False |
| self._failed = [] |
| |
| def check_failure(self): |
| """Raise an exception if any step failed.""" |
| if self._failed: |
| raise self.m.step.StepFailure('Failed build steps: %s' % |
| ', '.join([f.name for f in self._failed])) |
| |
| @property |
| def failed_steps(self): |
| return self._failed[:] |
| |
| def run_once(self, fn, *args, **kwargs): |
| if not fn.__name__ in self._already_ran: |
| self._already_ran[fn.__name__] = fn(*args, **kwargs) |
| return self._already_ran[fn.__name__] |
| |
| def readfile(self, filename, *args, **kwargs): |
| """Convenience function for reading files.""" |
| name = kwargs.pop('name', 'read %s' % self.m.path.basename(filename)) |
| return self.m.file.read_text(name, filename, *args, **kwargs) |
| |
| def writefile(self, filename, contents): |
| """Convenience function for writing files.""" |
| return self.m.file.write_text('write %s' % self.m.path.basename(filename), |
| filename, contents) |
| |
| def rmtree(self, path): |
| """Wrapper around api.file.rmtree.""" |
| self.m.file.rmtree('rmtree %s' % self.m.path.basename(path), path) |
| |
| def asset_version(self, asset_name, skia_dir, test_data=None): |
| """Return the contents of VERSION for the given asset as a string. |
| |
| If test_data is not specified, reads the property |
| 'test_<asset_name>_version' or if not present, uses |
| TEST_DEFAULT_ASSET_VERSION.""" |
| version_file = skia_dir.join( |
| 'infra', 'bots', 'assets', asset_name, 'VERSION') |
| if not test_data: |
| test_data = self.m.properties.get( |
| 'test_%s_version' % asset_name, TEST_DEFAULT_ASSET_VERSION) |
| return self.m.file.read_text('Get %s VERSION' % asset_name, |
| version_file, |
| test_data=test_data).rstrip() |
| |
| def __call__(self, steptype, name, abort_on_failure=True, |
| fail_build_on_failure=True, **kwargs): |
| """Run a step. If it fails, keep going but mark the build status failed.""" |
| try: |
| with self.m.env(self.m.vars.default_env): |
| return steptype(name=name, **kwargs) |
| except self.m.step.StepFailure as e: |
| if fail_build_on_failure: |
| self._failed.append(e) |
| if abort_on_failure: |
| raise |
| |
| def with_retry(self, steptype, name, attempts, between_attempts_fn=None, |
| abort_on_failure=True, fail_build_on_failure=True, **kwargs): |
| for attempt in xrange(attempts): |
| step_name = name |
| if attempt > 0: |
| step_name += ' (attempt %d)' % (attempt + 1) |
| try: |
| res = self(steptype, name=step_name, abort_on_failure=True, |
| fail_build_on_failure=fail_build_on_failure, **kwargs) |
| if attempt > 0 and fail_build_on_failure: |
| del self._failed[-attempt:] |
| return res |
| except self.m.step.StepFailure: |
| if attempt == attempts - 1: |
| if abort_on_failure: |
| raise |
| elif between_attempts_fn: |
| between_attempts_fn(attempt+1) |