[CalendarServer-changes] [4726] CalendarServer/trunk/bin/xattr
source_changes at macosforge.org
source_changes at macosforge.org
Mon Nov 9 15:44:14 PST 2009
Revision: 4726
http://trac.macosforge.org/projects/calendarserver/changeset/4726
Author: wsanchez at apple.com
Date: 2009-11-09 15:44:11 -0800 (Mon, 09 Nov 2009)
Log Message:
-----------
included in modeul
Removed Paths:
-------------
CalendarServer/trunk/bin/xattr
Deleted: CalendarServer/trunk/bin/xattr
===================================================================
--- CalendarServer/trunk/bin/xattr 2009-11-09 23:14:19 UTC (rev 4725)
+++ CalendarServer/trunk/bin/xattr 2009-11-09 23:44:11 UTC (rev 4726)
@@ -1,202 +0,0 @@
-#!/usr/bin/env python
-
-##
-# Copyright (c) 2007 Apple Inc.
-#
-# This is the MIT license. This software may also be distributed under the
-# same terms as Python (the PSF license).
-#
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# the rights to use, copy, modify, merge, publish, distribute, sublicense,
-# and/or sell copies of the Software, and to permit persons to whom the
-# Software is furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-# IN THE SOFTWARE.
-##
-
-import sys
-import os
-import getopt
-import xattr
-import zlib
-
-def usage(e=None):
- if e:
- print e
- print ""
-
- name = os.path.basename(sys.argv[0])
- print "usage: %s [-lz] file [file ...]" % (name,)
- print " %s -p [-lz] attr_name file [file ...]" % (name,)
- print " %s -w [-z] attr_name attr_value file [file ...]" % (name,)
- print " %s -d attr_name file [file ...]" % (name,)
- print ""
- print "The first form lists the names of all xattrs on the given file(s)."
- print "The second form (-p) prints the value of the xattr attr_name."
- print "The third form (-w) sets the value of the xattr attr_name to attr_value."
- print "The fourth form (-d) deletes the xattr attr_name."
- print ""
- print "options:"
- print " -h: print this help"
- print " -l: print long format (attr_name: attr_value)"
- print " -z: compress or decompress (if compressed) attribute value in zip format"
-
- if e:
- sys.exit(64)
- else:
- sys.exit(0)
-
-class NullsInString(Exception):
- """Nulls in string."""
-
-_FILTER=''.join([(len(repr(chr(x)))==3) and chr(x) or '.' for x in range(256)])
-
-def _dump(src, length=16):
- result=[]
- for i in xrange(0, len(src), length):
- s = src[i:i+length]
- hexa = ' '.join(["%02X"%ord(x) for x in s])
- printable = s.translate(_FILTER)
- result.append("%04X %-*s %s\n" % (i, length*3, hexa, printable))
- return ''.join(result)
-
-def main():
- try:
- (optargs, args) = getopt.getopt(sys.argv[1:], "hlpwdz", ["help"])
- except getopt.GetoptError, e:
- usage(e)
-
- attr_name = None
- long_format = False
- read = False
- write = False
- delete = False
- compress = lambda x: x
- decompress = compress
- status = 0
-
- for opt, arg in optargs:
- if opt in ("-h", "--help"):
- usage()
- elif opt == "-l":
- long_format = True
- elif opt == "-p":
- read = True
- if write or delete:
- usage("-p not allowed with -w or -d")
- elif opt == "-w":
- write = True
- if read or delete:
- usage("-w not allowed with -p or -d")
- elif opt == "-d":
- delete = True
- if read or write:
- usage("-d not allowed with -p or -w")
- elif opt == "-z":
- compress = zlib.compress
- decompress = zlib.decompress
-
- if write or delete:
- if long_format:
- usage("-l not allowed with -w or -p")
-
- if read or write or delete:
- if not args:
- usage("No attr_name")
- attr_name = args.pop(0)
-
- if write:
- if not args:
- usage("No attr_value")
- attr_value = args.pop(0)
-
- if len(args) > 1:
- multiple_files = True
- else:
- multiple_files = False
-
- for filename in args:
- def onError(e):
- if not os.path.exists(filename):
- sys.stderr.write("No such file: %s\n" % (filename,))
- else:
- sys.stderr.write(str(e) + "\n")
- status = 1
-
- try:
- attrs = xattr.xattr(filename)
- except (IOError, OSError), e:
- onError(e)
- continue
-
- if write:
- try:
- attrs[attr_name] = compress(attr_value)
- except (IOError, OSError), e:
- onError(e)
- continue
-
- elif delete:
- try:
- del attrs[attr_name]
- except (IOError, OSError), e:
- onError(e)
- continue
- except KeyError:
- onError("No such xattr: %s" % (attr_name,))
- continue
-
- else:
- try:
- if read:
- attr_names = (attr_name,)
- else:
- attr_names = attrs.keys()
- except (IOError, OSError), e:
- onError(e)
- continue
-
- if multiple_files:
- file_prefix = "%s: " % (filename,)
- else:
- file_prefix = ""
-
- for attr_name in attr_names:
- try:
- try:
- attr_value = decompress(attrs[attr_name])
- except zlib.error:
- attr_value = attrs[attr_name]
- except KeyError:
- onError("%sNo such xattr: %s" % (file_prefix, attr_name))
- continue
-
- if long_format:
- try:
- if attr_value.find('\0') >= 0:
- raise NullsInString;
- print "".join((file_prefix, "%s: " % (attr_name,), attr_value))
- except (UnicodeDecodeError, NullsInString):
- print "".join((file_prefix, "%s:" % (attr_name,)))
- print _dump(attr_value)
- else:
- if read:
- print "".join((file_prefix, attr_value))
- else:
- print "".join((file_prefix, attr_name))
-
- sys.exit(status)
-
-if __name__ == "__main__":
- main()
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