gpgme/lang/python/examples/exportimport.py

#!/usr/bin/env python3
# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
#
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of the GNU General Public License as
#    published by the Free Software Foundation; either version 2 of
#    the License, or (at your option) any later version.
#
#    This program 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 this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
#    02111-1307 USA

# Sample of export and import of keys
# It uses keys for joe@example.org generated by genkey.pl script

import sys
from pyme import core

core.check_version(None)

expkey = core.Data()
c = core.Context()
c.set_armor(1)
user = b"joe@example.org"

print(" - Export %s's public keys - " % user)
c.op_export(user, 0, expkey)

# print out exported data to see how it looks in armor.
expkey.seek(0, 0)
expstring = expkey.read()
if expstring:
    print(expstring)
else:
    print("No %s's keys to export!" % user)
    sys.exit(0)


# delete keys to ensure that they came from our imported data.
# Note that since joe's key has private part as well we can only delete
# both of them. As a side effect joe won't have private key for this
# exported public one. If it's Ok with you uncomment the next 4 lines.
# print " - Delete %s's public keys - " % user
# for thekey in [x for x in c.op_keylist_all(user, 0)]:
#     if not thekey.secret:
#         c.op_delete(thekey, 1)


# initialize import data from a string as if it was read from a file.
newkey = core.Data(expstring)

print(" - Import exported keys - ")
c.op_import(newkey)
result = c.op_import_result()

# show the import result
if result:
    print(" - Result of the import - ")
    for k in dir(result):
        if k not in result.__dict__ and not k.startswith("_"):
            if k == "imports":
                print(k, ":")
                for impkey in result.__getattr__(k):
                    print("    fpr=%s result=%d status=%x" %
                          (impkey.fpr, impkey.result, impkey.status))
            else:
                print(k, ":", result.__getattr__(k))
else:
    print(" - No import result - ")