def __init__(self, root='/'):
"""
Opens system at given path.
:param root: path to system to operate on.
"""
self.ncf = c_void_p()
if 0 != ncf_init(self.ncf, root):
raise RuntimeError('failed to initialize netcf context')
check_result(self.ncf)
track_for_finalization(self, self.ncf, ncf_close)
def __init__(self, parent, name):
"""
Constructs network interface proxy.
:param parent: pointer to parent NetCF context.
:param name: name of the interface.
"""
self.parent = parent
self.iface = ncf_lookup_by_name(self.parent.ncf, name)
if self.iface is None:
check_result(self.parent.ncf)
raise KeyError('interface %s not found' % name)
track_for_finalization(self, self.iface, ncf_if_free)
