def __init__(self, name, comm):
self.comm = comm # used for broadcasting replicated data
if self.comm.size > 1:
comm = self.comm.get_c_object()
else:
comm = None
self.file = File(name, 'r', comm)
self.dims_grp = self.file['Dimensions']
self.params_grp = self.file['Parameters']
self.hdf5 = True
def __init__(self, name, comm=None):
self.comm = comm # for possible future use
self.dims = {}
try:
if self.comm.rank == 0:
if os.path.isfile(name):
os.rename(name, name[:-5] + '.old'+name[-5:])
self.comm.barrier()
except AttributeError:
if os.path.isfile(name):
os.rename(name, name[:-5] + '.old'+name[-5:])
if self.comm.size > 1:
comm = self.comm.get_c_object()
else:
comm = None
self.file = File(name, 'w', comm)
self.dims_grp = self.file.create_group("Dimensions")
self.params_grp = self.file.create_group("Parameters")
self.file.attrs['title'] = 'gpaw_io version="0.1"'
self.hdf5 = True