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