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#
# $Id: Backup.py,v 1.24 1999/12/11 12:35:11 rob Exp $
#
# Copyright 1998-1999 Rob Tillotson <robt@debian.org>
# All Rights Reserved
#
# Permission to use, copy, modify, and distribute this software and
# its documentation for any purpose and without fee or royalty is
# hereby granted, provided that the above copyright notice appear in
# all copies and that both the copyright notice and this permission
# notice appear in supporting documentation or portions thereof,
# including modifications, that you you make.
#
# THE AUTHOR ROB TILLOTSON DISCLAIMS ALL WARRANTIES WITH REGARD TO
# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
# RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
# CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE!
#
"""Backup.
"""
__version__ = '$Id: Backup.py,v 1.24 1999/12/11 12:35:11 rob Exp $'
__copyright__ = 'Copyright 1998-1999 Rob Tillotson <robt@debian.org>'
import Pyrite
import Pyrite.Conduit
import os, string, stat, sys, re
from Sulfur import Options
from Sulfur.Options import O_MULTIPLE, Boolean, String
from Pyrite import protect_name, _
backup_dir = None
# exclusions:
# - exclude-regexps - regular expressions to match names
# - exclude - names to exclude
# - exclude-creators - exclude these creator ids
# - exclude-types - exclude these types
#
def match(rlist, s):
for r in rlist:
m = re.match(r, s)
if m: return m
return None
class Conduit(Pyrite.Conduit.Conduit):
name = 'Backup'
version = Pyrite.version
author = Pyrite.author
url = ''
description = _("Backs up the PalmOS device.")
options = [
Boolean('ignore_backup_bit', 1, _("Ignore backup bit?")),
Boolean('incremental', 1, _("Incremental backup?")),
Boolean('delete_old',1, _("Delete old databases?")),
Boolean('archive',1, _("Archive deleted databases?")),
Boolean('debug', 0, _("Debugging output?")),
Boolean('skip-old-applications', 1,
_("Skip applications that have already been backed up")),
String('exclude', [], _("Names of databases to exclude"), None, (O_MULTIPLE,)),
String('exclude-regexps', [], _("Regexps of database names to exclude"), None,
(O_MULTIPLE,)),
# String('exclude-creators', [], _("Creators of databases to exclude"), None,
# (O_MULTIPLE,)),
# String('exclude-types', [], _("Types of databases to exclude"), None,
# (O_MULTIPLE,)),
]
def __init__(self):
Pyrite.Conduit.Conduit.__init__(self)
self.__backup_list = []
def presync(self, app):
store = app.user_directory('backup')
self.__backup_list = store.list()
return 1
def __should_backup(self, i, store):
# test whether a database should be backed up, based on its info
# structure.
if not self.ignore_backup_bit and not i['flagBackup']:
if self.debug: self.log(_("excluding '%s' because backup bit not set") % name)
return 0
name = i['name']
# exclusions
if self.__ex_names and name in self.__ex_names:
if self.debug: self.log(_("excluding '%s' based on name match") % name)
return 0
if self.__ex_regexps and match(self.__ex_regexps, name):
if self.debug: self.log(_("excluding '%s' based on regexp match") % name)
return 0
# incremental backup
if not self.incremental or name not in self.__backup_list:
return 1
try:
fi = store.info(name)
except:
self.log(_("wtf? %s") % name)
return 0
if self.debug:
self.log('%s %s/%s : %s/%s %s' % (name, fi['modifyDate'],
fi['modnum'],
i['modifyDate'],
i['modnum'],
i['flagBackup']))
# the "backupbuddy rule"
if (fi['modnum'] == i['modnum'] or
fi['modifyDate'] == i['modifyDate']) and \
fi['createDate'] == i['createDate']:
if self.debug: self.log(_("skipping '%s' based on header dates") % name)
return 0
# the "don't back up big apps even when Palm OS is acting stupid" rule
if self.__skip_apps and i['flagResource'] and i['type'] == 'APPL' and \
name in self.__backup_list:
if self.debug: self.log(_("skipping already-backed-up application '%s'") % name)
return 0
return 1
def __call__(self, app):
store = app.user_directory('backup')
# ??? create directory if doesn't exist?
#backup_list = store.list()
palm_list = app.remote.listinfo()
self.__ex_names = self.get_option('exclude')
self.__ex_regexps = self.get_option('exclude-regexps')
self.__skip_apps = self.get_option('skip-old-applications')
for i in palm_list:
name = i['name']
if self.__should_backup(i, store):
self.log(_("backing up '%s'") % name)
try:
app.remote.copy(store, name)
except:
self.log('%s %s' % (sys.exc_info()[0],
sys.exc_info()[1]))
self.log(_("failed to back up '%s'") % name)
try: store.delete(name)
except: pass
if name in self.__backup_list: self.__backup_list.remove(name)
if self.delete_old:
self.__delete_list = self.__backup_list
# for fn in backup_list:
# self.log('removing "%s" from backup directory' % fn)
# try: store.delete(fn)
# except: pass
self.log(_("done"))
def postsync(self, app):
# hmm, this seems dangerous, can we guarantee the user name doesn't
# change? I say yes, it can change between presync and sync, but not
# between sync and postsync, we have to make that rule or conduits will
# be living in a world of hurt.
store = app.user_directory('backup')
if self.archive: astore = app.user_directory('backup-archive')
if self.delete_old:
for fn in self.__delete_list:
if self.archive:
self.log(_("archiving '%s'") % fn)
try: store.copy(astore, fn)
except: self.log(_("error copying '%s' to archive") % fn)
self.log(_("removing '%s' from backup directory") % fn)
try: store.delete(fn)
except: self.log(_("error removing '%s' from backup") % fn)
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