97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
# 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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