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97 lines
3.3 KiB
97 lines
3.3 KiB
# Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
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# Use of this source code is governed by a BSD-style license that can be |
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# found in the LICENSE file. |
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"""Tools for searching/manipulating the manifests repository.""" |
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from __future__ import print_function |
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__author__ = 'llozano@google.com (Luis Lozano)' |
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import os |
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import re |
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import shutil |
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import tempfile |
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import time |
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import command_executer |
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import logger |
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def IsCrosVersion(version): |
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match = re.search(r'(\d+\.\d+\.\d+\.\d+)', version) |
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return match is not None |
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def IsRFormatCrosVersion(version): |
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match = re.search(r'(R\d+-\d+\.\d+\.\d+)', version) |
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return match is not None |
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def RFormatCrosVersion(version): |
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assert IsCrosVersion(version) |
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tmp_major, tmp_minor = version.split('.', 1) |
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rformat = 'R' + tmp_major + '-' + tmp_minor |
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assert IsRFormatCrosVersion(rformat) |
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return rformat |
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class ManifestVersions(object): |
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"""This class handles interactions with the manifests repo.""" |
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def __init__(self, internal=True): |
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self.internal = internal |
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self.clone_location = tempfile.mkdtemp() |
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self.ce = command_executer.GetCommandExecuter() |
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if internal: |
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versions_git = ('https://chrome-internal.googlesource.com/' |
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'chromeos/manifest-versions.git') |
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else: |
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versions_git = ( |
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'https://chromium.googlesource.com/chromiumos/manifest-versions.git') |
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commands = ['cd {0}'.format(self.clone_location), |
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'git clone {0}'.format(versions_git)] |
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ret = self.ce.RunCommands(commands) |
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if ret: |
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logger.GetLogger().LogFatal('Failed to clone manifest-versions.') |
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def __del__(self): |
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if self.clone_location: |
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shutil.rmtree(self.clone_location) |
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def TimeToVersion(self, my_time): |
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"""Convert timestamp to version number.""" |
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cur_time = time.mktime(time.gmtime()) |
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des_time = float(my_time) |
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if cur_time - des_time > 7000000: |
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logger.GetLogger().LogFatal('The time you specify is too early.') |
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commands = ['cd {0}'.format(self.clone_location), 'cd manifest-versions', |
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'git checkout -f $(git rev-list' + |
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' --max-count=1 --before={0} origin/master)'.format(my_time)] |
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ret = self.ce.RunCommands(commands) |
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if ret: |
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logger.GetLogger().LogFatal('Failed to checkout manifest at ' |
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'specified time') |
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path = os.path.realpath('{0}/manifest-versions/LKGM/lkgm.xml'.format( |
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self.clone_location)) |
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pp = path.split('/') |
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small = os.path.basename(path).split('.xml')[0] |
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version = pp[-2] + '.' + small |
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commands = ['cd {0}'.format(self.clone_location), 'cd manifest-versions', |
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'git checkout master'] |
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self.ce.RunCommands(commands) |
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return version |
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def GetManifest(self, version, to_file): |
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"""Get the manifest file from a given chromeos-internal version.""" |
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assert not IsRFormatCrosVersion(version) |
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version = version.split('.', 1)[1] |
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os.chdir(self.clone_location) |
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files = [os.path.join(r, f) |
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for r, _, fs in os.walk('.') for f in fs if version in f] |
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if files: |
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command = 'cp {0} {1}'.format(files[0], to_file) |
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ret = self.ce.RunCommand(command) |
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if ret: |
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raise RuntimeError('Cannot copy manifest to {0}'.format(to_file)) |
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else: |
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raise RuntimeError('Version {0} is not available.'.format(version))
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