def base64_to_bfp(b64):
packed = [ord(c) for c in b64.decode("base64")]
unpacked = ''.join('{:08b}'.format(i) for i in packed)
n = len(unpacked)
on_bits = [idx for idx, val in enumerate(unpacked) if val == '1']
bfp = ExplicitBitVect(n)
bfp.SetBitsFromList(on_bits)
return bfp
def test2(self):
t1 = self.tree
vc = VectCollection()
bv = ExplicitBitVect(5)
bv.SetBitsFromList([0])
vc.AddVect(1,bv)
bv = ExplicitBitVect(5)
bv.SetBitsFromList([1,2])
vc.AddVect(2,bv)
ex = ['nm',bv,1]
self.assertTrue(t1.ClassifyExample(ex))
bv = ExplicitBitVect(5)
bv.SetBitsFromList([0,2])
vc.AddVect(1,bv)
ex = ['nm',bv,1]
self.assertFalse(t1.ClassifyExample(ex))
def pandas_series_to_bv(s):
bv = ExplicitBitVect(len(s))
on_bits = np.where(s >= True)[0].tolist()
bv.SetBitsFromList(on_bits)
return bv