def __init__(self, sourceURI, targetDirectory, password):
self.gid = getgid()
self.uid = getuid()
# Initialize target and metadata
self.target = MountLoadTarget(targetDirectory)
self.metadata = MountLoadMetaData(self.target.getDBPath())
# Store and check source URI
knownSourceURI = self.metadata.getConfigString('sourceURI')
if sourceURI is None:
if knownSourceURI is None:
raise RuntimeError('No source URI supplied')
sourceURI = knownSourceURI
elif knownSourceURI is not None and knownSourceURI != sourceURI:
raise RuntimeError(
'Given source URI differs from known source URI')
# Initialize SFTP source
self.source = MountLoadSource(sourceURI, password)
# Bootstrap the remote root
self.metadata.begin()
if self._getPath('/') is None:
rootEntry = self.source.getEntry('/')
if rootEntry is None:
raise RuntimeError(
'Failed to retrieve the remote root directory %s' %
(self.source.getRemoteDirectory() + '/'))
self._registerPath('/', rootEntry)
self.metadata.commit()
# Store the source URI in metadata
if knownSourceURI is None:
self.metadata.setConfig('sourceURI', sourceURI)
