def __init__(self, inarg, Stype=FS.SIMILARITY, new=True):
self.thisown = 0
# First check if we are passing the SWIG wrapped type.
if isinstance(inarg, FS_Smatrix):
if new:
self.this = FS.Smatrix_copy(inarg)
self.thisown = 1
else:
self.this = inarg
self.thisown = 1
elif isinstance(inarg, str):
# Load from file
self.this = FS.Smatrix_load(inarg)
self.thisown = 1
# Dictionary - Biopython matrix
elif isinstance(inarg, dict):
self.this = FS.new_Smatrix(inarg, Stype)
self.thisown = 1
# Instance of ScoreMatrix
elif isinstance(inarg, ScoreMatrix):
self.this = FS.Smatrix_copy(inarg.this)
self.thisown = 1
else:
raise TypeError, "Constructor only accepts"\
" a filename, a dictionary"\
" and an instance of ScoreMatrix."
self.alphabet = FS.Smatrix_alphabet_get(self)
self.mean = self._calc_mean()
