def repack(file):
"""
Repack archive to remove freespace.
Parameters
----------
file : h5py File or str
A h5py File instance of an archive such as h5py.File('/tmp/data.hdf5')
or a filename.
Returns
-------
file : h5py File or None
If the input is a h5py.File then a h5py File instance of the
repacked archive is returned. The input File instance will no longer
be useable. If the input was a filename, then None is returned.
"""
f1, opened = _openfile(file)
filename1 = f1.filename
filename2 = filename1 + '_repack_tmp_' + randstring(4)
f2 = h5py.File(filename2)
for key in f1.keys():
f1.copy(key, f2)
f1.close()
f2.close()
filename_tmp = filename1 + '_repack_rename_tmp_' + randstring(4)
os.rename(filename1, filename_tmp)
os.rename(filename2, filename1)
if opened:
f = None
else:
f = h5py.File(filename1)
os.remove(filename_tmp)
return f
def repack(file):
"""
Repack archive to remove freespace.
Parameters
----------
file : h5py File or str
A h5py File instance of an archive such as h5py.File('/tmp/data.hdf5')
or a filename.
Returns
-------
file : h5py File or None
If the input is a h5py.File then a h5py File instance of the
repacked archive is returned. The input File instance will no longer
be useable. If the input was a filename, then None is returned.
"""
f1, opened = _openfile(file)
filename1 = f1.filename
filename2 = filename1 + '_repack_tmp_' + randstring(4)
f2 = h5py.File(filename2)
for key in f1.keys():
f1.copy(key, f2)
f1.close()
f2.close()
filename_tmp = filename1 + '_repack_rename_tmp_' + randstring(4)
os.rename(filename1, filename_tmp)
os.rename(filename2, filename1)
if opened:
f = None
else:
f = h5py.File(filename1)
os.remove(filename_tmp)
return f
def test_randstring_1(self):
"util.misc.randstring_1"
rs = randstring(4)
self.assertTrue(len(rs) == 4, 'Wrong length string.')
def test_randstring_1(self):
"util.misc.randstring_1"
rs = randstring(4)
self.assertTrue(len(rs) == 4, 'Wrong length string.')
