def get_backend_factory(uri, config):
"""get_backend_factory(uri, config)
Parses a URI and creates the factory.
TODO: crypto stuff are added by magic, and only s3 is supported.
This should be configurable
"""
type,ident = uri.split(':',1)
if type == 's3':
ret = lambda: s3backend.S3Backend(ident, config.to_dict())
elif type == 'dir':
ret = lambda: directorybackend.DirectoryBackend(ident,
config.to_dict())
else:
raise NotImplementedError('backend type %s not implemented' % (type))
crypto_key = config.get_option('crypto-key').get_required()
hash = config.get_option('hash').get_required()
if True:
ret2 = lambda: gpgcrypto.DataCryptoGPG(ret(), crypto_key)
else:
ret2 = ret
if True:
ret3 = lambda: gpgcrypto.NameCrypto(ret2(),
crypto_key,
hash_algorithm=hash)
else:
ret3 = ret2
return ret3
def make_backend(self):
return directorybackend.DirectoryBackend(self.tempdir)