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diff --git a/rdiff-backup/src/globals.py b/rdiff-backup/src/globals.py
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+import re, os
+
+#######################################################################
+#
+# globals - aggregate some configuration options
+#
+
+class Globals:
+
+	# The current version of rdiff-backup
+	version = "0.6.0"
+	
+	# This determines how many bytes to read at a time when copying
+	blocksize = 32768
+
+	# This is used by the BufferedRead class to determine how many
+	# bytes to request from the underlying file per read().  Larger
+	# values may save on connection overhead and latency.
+	conn_bufsize = 4096
+
+	# True if script is running as a server
+	server = None
+
+	# uid and gid of the owner of the rdiff-backup process.  This can
+	# vary depending on the connection.
+	process_uid = os.getuid()
+	process_gid = os.getgid()
+
+	# If true, when copying attributes, also change target's uid/gid
+	change_ownership = None
+
+	# If true, change the permissions of unwriteable mirror files
+	# (such as directories) so that they can be written, and then
+	# change them back.
+	change_mirror_perms = 1
+
+	# If true, temporarily change permissions of unreadable files in
+	# the source directory to make sure we can read all files.
+	change_source_perms = None
+
+	# If true, try to reset the atimes of the source partition.
+	preserve_atime = None
+
+	# This is a list of compiled regular expressions.  If one of them
+	# matches a file in the source area, do not process that file.
+	exclude_regexps = []
+
+	# Another list of compiled regexps; this time the file is excluded
+	# if it matches something in the destination area.
+	exclude_mirror_regexps = []
+
+	# If this is true, rdiff-backup will exclude any dev files it
+	# sees, in the same way it excludes files matching the exclude
+	# regexps.
+	exclude_device_files = None
+
+	# This will be set as soon as the LocalConnection class loads
+	local_connection = None
+
+	# If this is true, instead of processing whole directory, just
+	# examine files read in from standard input.
+	include_from_stdin = None
+
+	# All connections should be added to the following list, so
+	# further global changes can be propagated to the remote systems.
+	# The first element should be Globals.local_connection.  For a
+	# server, the second is the connection to the client.
+	connections = []
+
+	# Each process should have a connection number unique to the
+	# session.  The client has connection number 0.
+	connection_number = 0
+
+	# Dictionary pairing connection numbers with connections.  Set in
+	# SetConnections for all connections.
+	connection_dict = {}
+
+	# True if the script is the end that reads the source directory
+	# for backups.  It is true for purely local sessions.
+	isbackup_reader = None
+
+	# Connection of the real backup reader (for which isbackup_reader
+	# is true)
+	backup_reader = None
+
+	# True if the script is the end that writes to the increment and
+	# mirror directories.  True for purely local sessions.
+	isbackup_writer = None
+
+	# Connection of the backup writer
+	backup_writer = None
+
+	# This list is used by the set function below.  When a new
+	# connection is created with init_connection, its Globals class
+	# will match this one for all the variables mentioned in this
+	# list.
+	changed_settings = []
+
+	# rdiff-backup will try to checkpoint its state every
+	# checkpoint_interval seconds.  Then when resuming, at most this
+	# amount of time is lost.
+	checkpoint_interval = 20
+
+	# The RPath of the rdiff-backup-data directory.
+	rbdir = None
+
+	# Indicates if a resume or a lack of resume is forced.  This
+	# should be None for the default.  0 means don't resume, and 1
+	# means resume.
+	resume = None
+
+	# If there has been an aborted backup fewer than this many seconds
+	# ago, attempt to resume it where it left off instead of starting
+	# a new one.
+	resume_window = 7200
+
+	# This string is used when recognizing and creating time strings.
+	# If the time_separator is ":", then W3 datetime strings like
+	# 2001-12-07T04:22:01-07:00 are produced.  It can be set to "_" to
+	# make filenames that don't contain colons, which aren't allowed
+	# under MS windows NT.
+	time_separator = ":"
+
+	def get(cls, name):
+		"""Return the value of something in this class"""
+		return cls.__dict__[name]
+	get = classmethod(get)
+
+	def set(cls, name, val):
+		"""Set the value of something in this class
+
+		Use this instead of writing the values directly if the setting
+		matters to remote sides.  This function updates the
+		changed_settings list, so other connections know to copy the
+		changes.
+
+		"""
+		cls.changed_settings.append(name)
+		cls.__dict__[name] = val
+	set = classmethod(set)
+
+	def set_integer(cls, name, val):
+		"""Like set, but make sure val is an integer"""
+		try: intval = int(val)
+		except ValueError:
+			Log.FatalError("Variable %s must be set to an integer -\n"
+						   "received %s instead." % (name, val))
+		cls.set(name, intval)
+	set_integer = classmethod(set_integer)
+
+	def get_dict_val(cls, name, key):
+		"""Return val from dictionary in this class"""
+		return cls.__dict__[name][key]
+	get_dict_val = classmethod(get_dict_val)
+
+	def set_dict_val(cls, name, key, val):
+		"""Set value for dictionary in this class"""
+		cls.__dict__[name][key] = val
+	set_dict_val = classmethod(set_dict_val)
+
+	def add_regexp(cls, regstr, mirror=None):
+		"""Add a regular expression to the exclude list"""
+		for conn in Globals.connections:
+			conn.Globals.add_regexp_local(regstr, mirror)
+	add_regexp = classmethod(add_regexp)
+
+	def add_regexp_local(cls, regstr, mirror):
+		"""Add the regex only to the local Globals class"""
+		compiled = re.compile(regstr)
+		if mirror: Globals.exclude_mirror_regexps.append(compiled)
+		else: Globals.exclude_regexps.append(compiled)
+	add_regexp_local = classmethod(add_regexp_local)