pwman3/scripts/pwman3

#!/usr/bin/python
#============================================================================
# This file is part of Pwman3.
# 
# Pwman3 is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2
# as published by the Free Software Foundation; 
# 
# Pwman3 is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with Pwman3; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#============================================================================
# Copyright (C) 2006 Ivan Kelly <ivan@ivankelly.net>
#============================================================================
from pwman.util.crypto import CryptoEngine
from pwman.ui.cli import PwmanCli
import pwman.util.config as config
import pwman.data.factory
import getopt,sys
import os
import os.path
import subprocess as sp
_saveconfig = True

def print_help():
    print """Syntax: %s [options]

 -c, --config FILE      Read configuration from FILE
 -d, --database FILE    Use FILE as database
 -e, --encryption ALGO  Use ALGO to encrypt data
                        Possible options are:
                         AES, ARC2, ARC4, Blowfish(default),
                         CAST, DES, DES3, IDEA, RC5
 -h, --help             Display this help and exit

Please report bugs at https://github.com/oz124/pwman3
""" % (sys.argv[0])


def find_xsel():
    """
    look for xsel in the system
    """
    try:
        print "inside"
        xsel_proc = sp.Popen(['which', 'xsel'], stdin=sp.PIPE, stdout=sp.PIPE)
        path, err = xsel_proc.communicate()
        return path
    except OSError, e:
        print e, "\nExecuting xsel failed, is it installed ?"
        return None

try:
    config_dir = os.path.expanduser("~/.pwman")
    if not os.path.isdir(config_dir):
        os.mkdir(config_dir)
    
    config_file = os.path.join(config_dir, "config")
    
    default_config = {'Global': {'umask': '0100', 'colors' : 'yes'},
                      'Database':{'type':'SQLite',
                                  'filename':os.path.join(config_dir, "pwman.db")},
                      'Encryption':{'algorithm': 'Blowfish'},
                      'Readline': {'history':os.path.join(config_dir, "history")}
                      }
    config.set_defaults(default_config)

    opts, args =  getopt.getopt(sys.argv[1:], 'c:d:e:h',
                                ["config=", "database=", "encryption=", "help"])
    
    for o in opts:
        if o[0] == '-c' or o[0] == "--config":
            config_file = os.path.expanduser(o[1])
    
        if o[0] == '-h' or o[0] == "--help":
            print_help()
            sys.exit(0)
    # if no config exists yet, look for xsel
    if os.path.exists(config_file):
        config.load(config_file)
        xselpath=config.get_value("Global","xselpath")
    else:
        xselpath=find_xsel()
        set_value("Global", "xsel", xselpath)     

    for o in opts:
        if o[0] == '-d' or o[0] == "--database":
            config.set_value("Database", "filename",
                             os.path.expanduser(o[1]))
            _saveconfig=False
        if o[0] == '-e' or o[0] == "--encryption":
            config.set_value("Encryption", "algorithm", o[1])
            _saveconfig=False
    
        
    # set umask before creating/opening any files
    umask = int(config.get_value("Global", "umask"))
    os.umask(umask)
    
    enc = CryptoEngine.get()

    type = config.get_value("Database", "type")
    db = pwman.data.factory.create(type)
    cli = PwmanCli(db, xselpath)
except SystemExit, e:
    sys.exit(e)
except Exception, e:
    print "Error: %s" % (e)
    sys.exit(-1)

try:
    try:
        cli.cmdloop()
    except KeyboardInterrupt, e:
        print 
finally:
    try:
        if _saveconfig:
            config.save(config_file)
    except Exception, e:
        print "Error: %s" % (e)
        sys.exit(-1)