borgmatic/borgmatic/borg/extract.py

91 lines
2.8 KiB
Python

import logging
import sys
import subprocess
from borgmatic.logger import get_logger
logger = get_logger(__name__)
def extract_last_archive_dry_run(repository, lock_wait=None, local_path='borg', remote_path=None):
'''
Perform an extraction dry-run of the most recent archive. If there are no archives, skip the
dry-run.
'''
remote_path_flags = ('--remote-path', remote_path) if remote_path else ()
lock_wait_flags = ('--lock-wait', str(lock_wait)) if lock_wait else ()
verbosity_flags = ()
if logger.isEnabledFor(logging.DEBUG):
verbosity_flags = ('--debug', '--show-rc')
elif logger.isEnabledFor(logging.INFO):
verbosity_flags = ('--info',)
full_list_command = (
(local_path, 'list', '--short', repository)
+ remote_path_flags
+ lock_wait_flags
+ verbosity_flags
)
list_output = subprocess.check_output(full_list_command).decode(sys.stdout.encoding)
last_archive_name = list_output.strip().split('\n')[-1]
if not last_archive_name:
return
list_flag = ('--list',) if logger.isEnabledFor(logging.DEBUG) else ()
full_extract_command = (
(
local_path,
'extract',
'--dry-run',
'{repository}::{last_archive_name}'.format(
repository=repository, last_archive_name=last_archive_name
),
)
+ remote_path_flags
+ lock_wait_flags
+ verbosity_flags
+ list_flag
)
logger.debug(' '.join(full_extract_command))
subprocess.check_call(full_extract_command)
def extract_archive(
dry_run,
repository,
archive,
restore_paths,
location_config,
storage_config,
local_path='borg',
remote_path=None,
progress=False,
):
'''
Given a dry-run flag, a local or remote repository path, an archive name, zero or more paths to
restore from the archive, and location/storage configuration dicts, extract the archive into the
current directory.
'''
umask = storage_config.get('umask', None)
lock_wait = storage_config.get('lock_wait', None)
full_command = (
(local_path, 'extract', '::'.join((repository, archive)))
+ (tuple(restore_paths) if restore_paths else ())
+ (('--remote-path', remote_path) if remote_path else ())
+ (('--numeric-owner',) if location_config.get('numeric_owner') else ())
+ (('--umask', str(umask)) if umask else ())
+ (('--lock-wait', str(lock_wait)) if lock_wait else ())
+ (('--info',) if logger.getEffectiveLevel() == logging.INFO else ())
+ (('--debug', '--list', '--show-rc') if logger.isEnabledFor(logging.DEBUG) else ())
+ (('--dry-run',) if dry_run else ())
+ (('--progress',) if progress else ())
)
logger.debug(' '.join(full_command))
subprocess.check_call(full_command)