def open_similarity_matrix(fn):
"""Open read-only similarity matrix file.
Args:
fn (str): Filename of similarity matrix
Returns:
SimilarityMatrix | FrozenSimilarityMatrix: A read-only similarity matrix object
"""
# peek in file to detect format
f = tables.open_file(fn, 'r')
is_frozen = 'scores' in f.root
f.close()
if is_frozen:
matrix = FrozenSimilarityMatrix(fn)
else:
matrix = SimilarityMatrix(fn, cache_labels=True)
return matrix
def __init__(self):
self.matrix_fn = tmpname()
self.matrix = FrozenSimilarityMatrix(self.matrix_fn,
'a',
driver='H5FD_CORE',
driver_core_backing_store=0)
