Revision: 1444 http://trac.macosforge.org/projects/calendarserver/changeset/1444 Author: wsanchez@apple.com Date: 2007-04-03 11:09:03 -0700 (Tue, 03 Apr 2007) Log Message: ----------- Added Paths: ----------- CalendarServer/trunk/bin/xattr Added: CalendarServer/trunk/bin/xattr =================================================================== --- CalendarServer/trunk/bin/xattr (rev 0) +++ CalendarServer/trunk/bin/xattr 2007-04-03 18:09:03 UTC (rev 1444) @@ -0,0 +1,157 @@ +#!/usr/bin/env python + +## +# Copyright (c) 2005-2007 Apple Inc. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# DRI: Wilfredo Sanchez, wsanchez@apple.com +## + +import sys +import os +import getopt +import xattr + +def usage(e=None): + if e: + print e + print "" + + name = os.path.basename(sys.argv[0]) + print "usage: %s [-l] file [file ...]" % (name,) + print " %s -p [-l] attr_name file [file ...]" % (name,) + print " %s -w 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 prints the value of the xattr attr_name on the given file(s)." + print "The third form sets the value of the xattr attr_name to attr_value on the given file(s)." + print "The fourth form deletes the xattr attr_value on the given file(s)." + print "" + print "options:" + print " -h: print this help" + print " -l: print long format (attr_name: attr_value)" + + if e: + sys.exit(64) + else: + sys.exit(0) + +def main(): + try: + (optargs, args) = getopt.getopt(sys.argv[1:], "hlpwd", ["help"]) + except getopt.GetoptError, e: + usage(e) + + attr_name = None + long_format = False + read = False + write = False + delete = False + status = 0 + + for opt, arg in optargs: + if opt in ("-h", "--help"): + usage() + elif opt == "-l": + long_format = True + elif opt == "-p": + read = True + elif opt == "-w": + write = True + elif opt == "-d": + delete = True + + 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] = 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: + if long_format: + print "".join((file_prefix, "%s: " % (attr_name,), attrs[attr_name])) + else: + if read: + print "".join((file_prefix, attrs[attr_name])) + else: + print "".join((file_prefix, attr_name)) + except KeyError: + onError("%sNo such xattr: %s" % (file_prefix, attr_name)) + continue + + sys.exit(status) + +if __name__ == "__main__": + main() Property changes on: CalendarServer/trunk/bin/xattr ___________________________________________________________________ Name: svn:executable + *