本文整理汇总了Python中s3ql.database.Connection.get_list方法的典型用法代码示例。如果您正苦于以下问题：Python Connection.get_list方法的具体用法？Python Connection.get_list怎么用？Python Connection.get_list使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类s3ql.database.Connection的用法示例。
在下文中一共展示了Connection.get_list方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: main
# 需要导入模块: from s3ql.database import Connection [as 别名]
# 或者: from s3ql.database.Connection import get_list [as 别名]
def main(args=None):
if args is None:
args = sys.argv[1:]
options = parse_args(args)
setup_logging(options)
# Check if fs is mounted on this computer
# This is not foolproof but should prevent common mistakes
match = options.storage_url + ' /'
with open('/proc/mounts', 'r') as fh:
for line in fh:
if line.startswith(match):
raise QuietError('Can not check mounted file system.')
bucket = get_bucket(options)
cachepath = get_bucket_cachedir(options.storage_url, options.cachedir)
seq_no = get_seq_no(bucket)
param_remote = bucket.lookup('s3ql_metadata')
db = None
if os.path.exists(cachepath + '.params'):
assert os.path.exists(cachepath + '.db')
param = pickle.load(open(cachepath + '.params', 'rb'))
if param['seq_no'] < seq_no:
log.info('Ignoring locally cached metadata (outdated).')
param = bucket.lookup('s3ql_metadata')
else:
log.info('Using cached metadata.')
db = Connection(cachepath + '.db')
assert not os.path.exists(cachepath + '-cache') or param['needs_fsck']
if param_remote['seq_no'] != param['seq_no']:
log.warn('Remote metadata is outdated.')
param['needs_fsck'] = True
else:
param = param_remote
assert not os.path.exists(cachepath + '-cache')
# .db might exist if mount.s3ql is killed at exactly the right instant
# and should just be ignored.
# Check revision
if param['revision'] < CURRENT_FS_REV:
raise QuietError('File system revision too old, please run `s3qladm upgrade` first.')
elif param['revision'] > CURRENT_FS_REV:
raise QuietError('File system revision too new, please update your '
'S3QL installation.')
if param['seq_no'] < seq_no:
if bucket.is_get_consistent():
print(textwrap.fill(textwrap.dedent('''\
Up to date metadata is not available. Probably the file system has not
been properly unmounted and you should try to run fsck on the computer
where the file system has been mounted most recently.
''')))
else:
print(textwrap.fill(textwrap.dedent('''\
Up to date metadata is not available. Either the file system has not
been unmounted cleanly or the data has not yet propagated through the backend.
In the later case, waiting for a while should fix the problem, in
the former case you should try to run fsck on the computer where
the file system has been mounted most recently
''')))
print('Enter "continue" to use the outdated data anyway:',
'> ', sep='\n', end='')
if options.batch:
raise QuietError('(in batch mode, exiting)')
if sys.stdin.readline().strip() != 'continue':
raise QuietError()
param['seq_no'] = seq_no
param['needs_fsck'] = True
if (not param['needs_fsck']
and ((time.time() - time.timezone) - param['last_fsck'])
< 60 * 60 * 24 * 31): # last check more than 1 month ago
if options.force:
log.info('File system seems clean, checking anyway.')
else:
log.info('File system is marked as clean. Use --force to force checking.')
return
# If using local metadata, check consistency
if db:
log.info('Checking DB integrity...')
try:
# get_list may raise CorruptError itself
res = db.get_list('PRAGMA integrity_check(20)')
if res[0][0] != u'ok':
log.error('\n'.join(x[0] for x in res ))
raise apsw.CorruptError()
except apsw.CorruptError:
raise QuietError('Local metadata is corrupted. Remove or repair the following '
'files manually and re-run fsck:\n'
#.........这里部分代码省略.........