#
# This code is covered under the terms of the GNU Library General
# Public License as described in the bup LICENSE file.
-import errno, os, sys, stat, time, pwd, grp, socket
+import errno, os, sys, stat, time, pwd, grp, socket, struct
from cStringIO import StringIO
from bup import vint, xstat
from bup.drecurse import recursive_dirlist
-from bup.helpers import add_error, mkdirp, log, is_superuser
+from bup.helpers import add_error, mkdirp, log, is_superuser, format_filesize
from bup.helpers import pwd_from_uid, pwd_from_name, grp_from_gid, grp_from_name
from bup.xstat import utime, lutime
xattr = None
posix1e = None
-if not (sys.platform.startswith('cygwin') or sys.platform.startswith('darwin')):
+if not (sys.platform.startswith('cygwin') \
+ or sys.platform.startswith('darwin') \
+ or sys.platform.startswith('netbsd')):
try:
import posix1e
except ImportError:
# not on Linux, in which case files don't have any linux attrs anyway, so
# lacking the functions isn't a problem.
get_linux_file_attr = set_linux_file_attr = None
-
+
+
+# See the bup_get_linux_file_attr() comments.
+_suppress_linux_file_attr = \
+ sys.byteorder == 'big' and struct.calcsize('@l') > struct.calcsize('@i')
+
+def check_linux_file_attr_api():
+ global get_linux_file_attr, set_linux_file_attr
+ if not (get_linux_file_attr or set_linux_file_attr):
+ return
+ if _suppress_linux_file_attr:
+ log('Warning: Linux attr support disabled (see "bup help index").\n')
+ get_linux_file_attr = set_linux_file_attr = None
+
# WARNING: the metadata encoding is *not* stable yet. Caveat emptor!
# FIXME: Add nfsv4 acl handling - see nfs4-acl-tools.
# FIXME: Consider other entries mentioned in stat(2) (S_IFDOOR, etc.).
# FIXME: Consider pack('vvvvsss', ...) optimization.
-# FIXME: Consider caching users/groups.
## FS notes:
#
else:
raise
- # Implement tar/rsync-like semantics; see bup-restore(1).
- # FIXME: should we consider caching user/group name <-> id
- # mappings, getgroups(), etc.?
uid = gid = -1 # By default, do nothing.
if is_superuser():
uid = self.uid
if stat.S_ISLNK(st.st_mode):
self.symlink_target = os.readlink(path)
except OSError, e:
- add_error('readlink: %s', e)
+ add_error('readlink: %s' % e)
def _encode_symlink_target(self):
return self.symlink_target
## Linux attributes (lsattr(1), chattr(1))
def _add_linux_attr(self, path, st):
+ check_linux_file_attr_api()
if not get_linux_file_attr: return
if stat.S_ISREG(st.st_mode) or stat.S_ISDIR(st.st_mode):
try:
def _apply_linux_attr_rec(self, path, restore_numeric_ids=False):
if self.linux_attr:
+ check_linux_file_attr_api()
if not set_linux_file_attr:
add_error("%s: can't restore linuxattrs: "
"linuxattr support missing.\n" % path)
existing_xattrs = set(xattr.list(path, nofollow=True))
except IOError, e:
if e.errno == errno.EACCES:
- raise ApplyError('xattr.set: %s' % e)
+ raise ApplyError('xattr.set %r: %s' % (path, e))
else:
raise
for k, v in self.linux_xattr:
except IOError, e:
if e.errno == errno.EPERM \
or e.errno == errno.EOPNOTSUPP:
- raise ApplyError('xattr.set: %s' % e)
+ raise ApplyError('xattr.set %r: %s' % (path, e))
else:
raise
existing_xattrs -= frozenset([k])
xattr.remove(path, k, nofollow=True)
except IOError, e:
if e.errno == errno.EPERM:
- raise ApplyError('xattr.remove: %s' % e)
+ raise ApplyError('xattr.remove %r: %s' % (path, e))
else:
raise
def __init__(self):
- self.mode = None
+ self.mode = self.uid = self.gid = self.user = self.group = None
+ self.atime = self.mtime = self.ctime = None
# optional members
self.path = None
self.size = None
self.linux_xattr = None
self.posix1e_acl = None
+ def __repr__(self):
+ result = ['<%s instance at %s' % (self.__class__, hex(id(self)))]
+ if self.path:
+ result += ' path:' + repr(self.path)
+ if self.mode:
+ result += ' mode:' + repr(xstat.mode_str(self.mode)
+ + '(%s)' % hex(self.mode))
+ if self.uid:
+ result += ' uid:' + str(self.uid)
+ if self.gid:
+ result += ' gid:' + str(self.gid)
+ if self.user:
+ result += ' user:' + repr(self.user)
+ if self.group:
+ result += ' group:' + repr(self.group)
+ if self.size:
+ result += ' size:' + repr(self.size)
+ for name, val in (('atime', self.atime),
+ ('mtime', self.mtime),
+ ('ctime', self.ctime)):
+ result += ' %s:%r' \
+ % (name,
+ time.strftime('%Y-%m-%d %H:%M %z',
+ time.gmtime(xstat.fstime_floor_secs(val))))
+ result += '>'
+ return ''.join(result)
+
def write(self, port, include_path=True):
records = include_path and [(_rec_tag_path, self._encode_path())] or []
records.extend([(_rec_tag_common_v2, self._encode_common()),
'posix1e-acl'])
-def summary_str(meta):
- mode_val = xstat.mode_str(meta.mode)
- user_val = meta.user
- if not user_val:
- user_val = str(meta.uid)
- group_val = meta.group
- if not group_val:
- group_val = str(meta.gid)
- size_or_dev_val = '-'
- if stat.S_ISCHR(meta.mode) or stat.S_ISBLK(meta.mode):
- size_or_dev_val = '%d,%d' % (os.major(meta.rdev), os.minor(meta.rdev))
- elif meta.size:
- size_or_dev_val = meta.size
- mtime_secs = xstat.fstime_floor_secs(meta.mtime)
- time_val = time.strftime('%Y-%m-%d %H:%M', time.localtime(mtime_secs))
- path_val = meta.path or ''
- if stat.S_ISLNK(meta.mode):
- path_val += ' -> ' + meta.symlink_target
- return '%-10s %-11s %11s %16s %s' % (mode_val,
- user_val + "/" + group_val,
- size_or_dev_val,
- time_val,
- path_val)
+def summary_str(meta, numeric_ids = False, classification = None,
+ human_readable = False):
+
+ """Return a string containing the "ls -l" style listing for meta.
+ Classification may be "all", "type", or None."""
+ user_str = group_str = size_or_dev_str = '?'
+ symlink_target = None
+ if meta:
+ name = meta.path
+ mode_str = xstat.mode_str(meta.mode)
+ symlink_target = meta.symlink_target
+ mtime_secs = xstat.fstime_floor_secs(meta.mtime)
+ mtime_str = time.strftime('%Y-%m-%d %H:%M', time.localtime(mtime_secs))
+ if meta.user and not numeric_ids:
+ user_str = meta.user
+ elif meta.uid != None:
+ user_str = str(meta.uid)
+ if meta.group and not numeric_ids:
+ group_str = meta.group
+ elif meta.gid != None:
+ group_str = str(meta.gid)
+ if stat.S_ISCHR(meta.mode) or stat.S_ISBLK(meta.mode):
+ if meta.rdev:
+ size_or_dev_str = '%d,%d' % (os.major(meta.rdev),
+ os.minor(meta.rdev))
+ elif meta.size != None:
+ if human_readable:
+ size_or_dev_str = format_filesize(meta.size)
+ else:
+ size_or_dev_str = str(meta.size)
+ else:
+ size_or_dev_str = '-'
+ if classification:
+ classification_str = \
+ xstat.classification_str(meta.mode, classification == 'all')
+ else:
+ mode_str = '?' * 10
+ mtime_str = '????-??-?? ??:??'
+ classification_str = '?'
+
+ name = name or ''
+ if classification:
+ name += classification_str
+ if symlink_target:
+ name += ' -> ' + meta.symlink_target
+
+ return '%-10s %-11s %11s %16s %s' % (mode_str,
+ user_str + "/" + group_str,
+ size_or_dev_str,
+ mtime_str,
+ name)
def detailed_str(meta, fields = None):
projects / bup.git / blobdiff