Exemple #1
0
 def decrypt( self, data, base=0x1000084 ):
     if isinstance(data, (ObjectWithStreamBigEndian, ObjectWithStream)):
         data = data.getRawData()
     data = scipy.fromstring(data, scipy.uint16)
     data.byteswap(True)
     data = self.decryptChunk(data, base)
     data.byteswap(True)
     data = scipy.bitwise_xor(data, data[-1])
     return data.tostring()
Exemple #2
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def create_diploid_dataset(call_method_id=76,
                           file_name='/tmp/test.csv',
                           coding_type='normal'):

    #Load parent list
    parents = []
    with open(env.env['data_dir'] + 'heterozygous_genotypes.csv') as f:
        f.next()
        for l in f:
            parents.append(map(str.strip, l.split(',')))

    snpsd = dp.load_snps_call_method(call_method_id)
    l = zip(snpsd.accessions, range(len(snpsd.accessions)))
    l.sort()
    l = map(list, zip(*l))
    acc_list = l[0]
    orders = l[1]
    sds = []
    for i, sd in enumerate(snpsd.snpsDataList):
        snps = sp.array(sd.snps, dtype='int8')
        snps_list = []
        p_list = []
        for ps in parents:
            f_id = bisect.bisect(acc_list, ps[0]) - 1
            m_id = bisect.bisect(acc_list, ps[1]) - 1
            if acc_list[f_id] == ps[0] and acc_list[m_id] == ps[1]:
                f_gt = snps[:, orders[f_id]].flatten()
                m_gt = snps[:, orders[m_id]].flatten()
                if coding_type == 'normal':
                    o_gt = f_gt + m_gt
                elif coding_type == 'dominant':
                    o_gt = sp.bitwise_xor(f_gt, m_gt)
                snps_list.append(o_gt)
                p_list.append('%s_%s' % (ps[0], ps[1]))
        snps_list = sp.transpose(sp.array(snps_list, dtype='int8'))
        snps = []
        for s in snps_list:
            snps.append(s)
        sds.append(
            snpsdata.SNPsData(snps,
                              sd.positions,
                              accessions=p_list,
                              chromosome=i + 1))
    sd = snpsdata.SNPsDataSet(sds, [1, 2, 3, 4, 5])
    sd.writeToFile(file_name)
Exemple #3
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 def _energy_func(self, x, **kwargs):
     x_signs = sp.signbit(x)
     return sp.vstack((sp.bitwise_xor(x_signs[:-1], x_signs[1:]), [False] * x.shape[1]))
Exemple #4
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 def _energy_func(self, x, **kwargs):
     x_signs = sp.signbit(x)
     return sp.vstack((sp.bitwise_xor(x_signs[:-1],
                                      x_signs[1:]), [False] * x.shape[1]))