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archive file listing output formatting
Coding style fixup Add --list-format exmaple to usage examples
This commit is contained in:
Teemu Toivanen
parent
39c3906238
commit
14f0fa6f6a
3 changed files with 87 additions and 10 deletions
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@ -15,7 +15,7 @@
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import traceback
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from . import __version__
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from .helpers import Error, location_validator, format_time, format_file_size, \
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from .helpers import Error, location_validator, format_time, format_line, safe_timestamp, format_file_size, \
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parse_pattern, PathPrefixPattern, to_localtime, timestamp, \
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get_cache_dir, get_keys_dir, prune_within, prune_split, \
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Manifest, remove_surrogates, update_excludes, format_archive, check_extension_modules, Statistics, \
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@ -442,6 +442,13 @@ def do_list(self, args):
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for item in archive.iter_items():
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print(remove_surrogates(item[b'path']))
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else:
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longformat="{mode} {user:6} {group:6} {size:8d} {isomtime} {path}{extra}{NEWLINE}"
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userformat=longformat
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if args.listformat:
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userformat=args.listformat
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archive_name=archive.name
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for item in archive.iter_items():
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mode = stat.filemode(item[b'mode'])
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type = mode[0]
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@ -451,12 +458,12 @@ def do_list(self, args):
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size = sum(size for _, size, _ in item[b'chunks'])
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except KeyError:
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pass
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try:
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mtime = datetime.fromtimestamp(bigint_to_int(item[b'mtime']) / 1e9)
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except OverflowError:
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# likely a broken mtime and datetime did not want to go beyond year 9999
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mtime = datetime(9999, 12, 31, 23, 59, 59)
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atime=safe_timestamp(item[b'atime'])
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ctime=safe_timestamp(item[b'ctime'])
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mtime=safe_timestamp(item[b'mtime'])
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if b'source' in item:
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source = item[b'source']
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if type == 'l':
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extra = ' -> %s' % item[b'source']
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else:
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@ -464,10 +471,40 @@ def do_list(self, args):
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extra = ' link to %s' % item[b'source']
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else:
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extra = ''
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print('%s %-6s %-6s %8d %s %s%s' % (
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mode, item[b'user'] or item[b'uid'],
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item[b'group'] or item[b'gid'], size, format_time(mtime),
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remove_surrogates(item[b'path']), extra))
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source = ''
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formatdata={
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'mode': mode,
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'bmode': item[b'mode'],
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'type': type,
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'source': source,
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'linktarget': source,
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'user': item[b'user'] or item[b'uid'],
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'uid': item[b'uid'],
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'group': item[b'group'] or item[b'gid'],
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'gid': item[b'gid'],
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'size': size,
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'isomtime': format_time(mtime),
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'mtime': mtime,
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'isoctime': format_time(ctime),
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'ctime': ctime,
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'isoatime': format_time(atime),
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'atime': atime,
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'path': remove_surrogates(item[b'path']),
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'extra': extra,
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'archivename': archive_name,
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'SPACE': " ",
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'TAB': "\t",
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'LF': "\n",
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'CR': "\r",
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'NEWLINE': os.linesep,
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'formatkeys': ()
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}
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formatdata["formatkeys"]=list(formatdata.keys())
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print(format_line(userformat, formatdata), end='')
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else:
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for archive_info in manifest.list_archive_infos(sort_by='ts'):
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if args.prefix and not archive_info.name.startswith(args.prefix):
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@ -1098,6 +1135,8 @@ def build_parser(self, args=None, prog=None):
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subparser.add_argument('--short', dest='short',
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action='store_true', default=False,
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help='only print file/directory names, nothing else')
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subparser.add_argument('--list-format', dest='listformat', type=str,
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help='Format archive listing line')
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subparser.add_argument('-P', '--prefix', dest='prefix', type=str,
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help='only consider archive names starting with this prefix')
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subparser.add_argument('location', metavar='REPOSITORY_OR_ARCHIVE', nargs='?', default='',
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@ -518,6 +518,28 @@ def dir_is_tagged(path, exclude_caches, exclude_if_present):
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tag_paths.append(tag_path)
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return tag_paths
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def format_line(formatstr, data):
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"""Filter out unwanted properties of str.format(), because "formatstr"
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is user provided.
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"""
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try:
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return(formatstr.format(**data))
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except KeyError as e:
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print('Error in lineformat: "{}" - reason "{}"'.format(formatstr, str(e)))
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except ValueError as e:
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print('Error in lineformat: "{}" - reason "{}"'.format(formatstr, str(e)))
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except:
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print('Line format error')
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raise
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return ''
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def safe_timestamp(timedata):
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try:
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return datetime.fromtimestamp(bigint_to_int(timedata) / 1e9)
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except OverflowError:
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# likely a broken file time and datetime did not want to go beyond year 9999
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return datetime(9999, 12, 31, 23, 59, 59)
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def format_time(t):
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"""use ISO-8601 date and time format
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@ -334,6 +334,22 @@ Examples
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-rw-r--r-- root root 1383 May 22 22:25 etc/ImageMagick-6/colors.xml
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...
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$ borg list /mnt/backup::archiveA --list-format="{mode} {user:6} {group:6} {size:8d} {isomtime} {path}{extra}{NEWLINE}"
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drwxrwxr-x user user 0 Sun, 2015-02-01 11:00:00 .
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drwxrwxr-x user user 0 Sun, 2015-02-01 11:00:00 code
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drwxrwxr-x user user 0 Sun, 2015-02-01 11:00:00 code/myproject
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-rw-rw-r-- user user 1416192 Sun, 2015-02-01 11:00:00 code/myproject/file.ext
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...
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# see what is change between archives, based on file modification time, size and file path
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$ borg list /mnt/backup::archiveA --list-format="{mtime:%s}{TAB}{size}{TAB}{path}{LF}" |sort -n > /tmp/list.archiveA
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$ borg list /mnt/backup::archiveB --list-format="{mtime:%s}{TAB}{size}{TAB}{path}{LF}" |sort -n > /tmp/list.archiveB
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$ diff -y /tmp/list.archiveA /tmp/list.archiveB
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1422781200 0 . 1422781200 0 .
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1422781200 0 code 1422781200 0 code
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1422781200 0 code/myproject 1422781200 0 code/myproject
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1422781200 1416192 code/myproject/file.ext | 1454664653 1416192 code/myproject/file.ext
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...
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.. include:: usage/prune.rst.inc
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