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from zope.interface import implementer
from memoryhole.openpgp import IOpenPGP
@implementer(IOpenPGP)
class Gnupg(object):
def __init__(self):
from gnupg import GPG
self.gpg = GPG()
def encrypt(self, data, encraddr):
result = self.gpg.encrypt(data, *encraddr)
self._check_gpg_error(result)
return result.data
def sign(self, data):
result = self.gpg.sign(data)
self._check_gpg_error(result)
return result.data
def decrypt(self, data):
pass
def verify(self, data, signature):
pass
def _check_gpg_error(self, result):
stderr = getattr(result, 'stderr', '')
if getattr(result, 'ok', False) is not True:
raise RuntimeError('Failed gnupg operation: %s' % stderr)
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