diff options
Diffstat (limited to 'crosperf/download_images.py')
| -rw-r--r-- | crosperf/download_images.py | 61 |
1 files changed, 30 insertions, 31 deletions
diff --git a/crosperf/download_images.py b/crosperf/download_images.py index 8fecf8b3..55fda51b 100644 --- a/crosperf/download_images.py +++ b/crosperf/download_images.py @@ -1,4 +1,3 @@ -#!/usr/bin/python # Copyright (c) 2014, 2015 The Chromium OS Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be @@ -11,27 +10,29 @@ import test_flag from utils import command_executer + class MissingImage(Exception): """Raised when the requested image does not exist in gs://""" + class ImageDownloader(object): - def __init__(self, logger_to_use=None, log_level="verbose", - cmd_exec=None): + def __init__(self, logger_to_use=None, log_level='verbose', cmd_exec=None): self._logger = logger_to_use self.log_level = log_level - self._ce = cmd_exec or command_executer.GetCommandExecuter(self._logger, - log_level = self.log_level) + self._ce = cmd_exec or command_executer.GetCommandExecuter( + self._logger, + log_level=self.log_level) - def _GetBuildID (self, chromeos_root, xbuddy_label): + def _GetBuildID(self, chromeos_root, xbuddy_label): # Get the translation of the xbuddy_label into the real Google Storage # image name. - command = ("cd ~/trunk/src/third_party/toolchain-utils/crosperf; " + command = ('cd ~/trunk/src/third_party/toolchain-utils/crosperf; ' "python translate_xbuddy.py '%s'" % xbuddy_label) retval, build_id_tuple_str, _ = self._ce.ChrootRunCommandWOutput( chromeos_root, command) if not build_id_tuple_str: - raise MissingImage ("Unable to find image for '%s'" % xbuddy_label) + raise MissingImage("Unable to find image for '%s'" % xbuddy_label) build_id_tuple = ast.literal_eval(build_id_tuple_str) build_id = build_id_tuple[0] @@ -39,14 +40,13 @@ class ImageDownloader(object): return build_id def _DownloadImage(self, chromeos_root, build_id, image_name): - if self.log_level == "average": - self._logger.LogOutput ("Preparing to download %s image to local " - "directory." % build_id) + if self.log_level == 'average': + self._logger.LogOutput('Preparing to download %s image to local ' + 'directory.' % build_id) # Make sure the directory for downloading the image exists. - download_path = os.path.join(chromeos_root, "chroot/tmp", - build_id) - image_path = os.path.join(download_path, "chromiumos_test_image.bin") + download_path = os.path.join(chromeos_root, 'chroot/tmp', build_id) + image_path = os.path.join(download_path, 'chromiumos_test_image.bin') if not os.path.exists(download_path): os.makedirs(download_path) @@ -54,10 +54,10 @@ class ImageDownloader(object): # download the image. status = 0 if not os.path.exists(image_path): - command = "gsutil cp %s /tmp/%s" % (image_name, build_id) + command = 'gsutil cp %s /tmp/%s' % (image_name, build_id) - if self.log_level != "verbose": - self._logger.LogOutput ("CMD: %s" % command) + if self.log_level != 'verbose': + self._logger.LogOutput('CMD: %s' % command) status = self._ce.ChrootRunCommand(chromeos_root, command) if status == 0: @@ -67,34 +67,33 @@ class ImageDownloader(object): def _UncompressImage(self, chromeos_root, build_id): # Check to see if the file has already been uncompresssed, etc. - if os.path.exists(os.path.join(chromeos_root, "chroot/tmp", build_id, - "chromiumos_test_image.bin")): + if os.path.exists(os.path.join(chromeos_root, 'chroot/tmp', build_id, + 'chromiumos_test_image.bin')): return 0 # Uncompress and untar the downloaded image. - command = ("cd /tmp/%s ;unxz chromiumos_test_image.tar.xz; " - "tar -xvf chromiumos_test_image.tar" % build_id) - if self.log_level != "verbose": - self._logger.LogOutput("CMD: %s" % command) - print("(Uncompressing and un-tarring may take a couple of minutes..." - "please be patient.)") + command = ('cd /tmp/%s ;unxz chromiumos_test_image.tar.xz; ' + 'tar -xvf chromiumos_test_image.tar' % build_id) + if self.log_level != 'verbose': + self._logger.LogOutput('CMD: %s' % command) + print('(Uncompressing and un-tarring may take a couple of minutes...' + 'please be patient.)') retval = self._ce.ChrootRunCommand(chromeos_root, command) return retval - def Run(self, chromeos_root, xbuddy_label): build_id = self._GetBuildID(chromeos_root, xbuddy_label) - image_name = ("gs://chromeos-image-archive/%s/chromiumos_test_image.tar.xz" + image_name = ('gs://chromeos-image-archive/%s/chromiumos_test_image.tar.xz' % build_id) # Verify that image exists for build_id, before attempting to # download it. status = 0 if not test_flag.GetTestMode(): - cmd = "gsutil ls %s" % image_name + cmd = 'gsutil ls %s' % image_name status = self._ce.ChrootRunCommand(chromeos_root, cmd) if status != 0: - raise MissingImage("Cannot find official image: %s." % image_name) + raise MissingImage('Cannot find official image: %s.' % image_name) image_path = self._DownloadImage(chromeos_root, build_id, image_name) retval = 0 if image_path: @@ -102,7 +101,7 @@ class ImageDownloader(object): else: retval = 1 - if retval == 0 and self.log_level != "quiet": - self._logger.LogOutput("Using image from %s." % image_path) + if retval == 0 and self.log_level != 'quiet': + self._logger.LogOutput('Using image from %s.' % image_path) return retval, image_path |