Пример #1
0
def pll_task(alignment_file, partition_string, guidetree=None, threads=1, seed=PLL_RANDOM_SEED, frequencies=None,
             write_to_file=None):
    guidetree = True if guidetree is None else guidetree
    instance = pll(alignment_file, partition_string, guidetree, threads, seed)
    if frequencies is not None and len(frequencies) == instance.get_number_of_partitions():
        for i in range(len(frequencies)):
            instance.set_frequencies(frequencies[i], i, False)
    instance.optimise_tree_search(True)
    result = pll_to_dict(instance)
    if write_to_file is not None: # attempt to write to file specified by write_to_file
        try:
            parameters = Parameters()
            parameters.construct_from_dict(result)
            with fileIO.fwriter(write_to_file, gz=True) as fl:
                parameters.write(fl)
        except:
            pass  # fail silently
    return result
Пример #2
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def pll_task(alignment_file,
             partition_string,
             guidetree=None,
             threads=1,
             seed=PLL_RANDOM_SEED,
             frequencies=None,
             write_to_file=None):
    guidetree = True if guidetree is None else guidetree
    instance = pll(alignment_file, partition_string, guidetree, threads, seed)
    if frequencies is not None and len(
            frequencies) == instance.get_number_of_partitions():
        for i in range(len(frequencies)):
            instance.set_frequencies(frequencies[i], i, False)
    instance.optimise_tree_search(True)
    result = pll_to_dict(instance)
    if write_to_file is not None:  # attempt to write to file specified by write_to_file
        try:
            parameters = Parameters()
            parameters.construct_from_dict(result)
            with fileIO.fwriter(write_to_file, gz=True) as fl:
                parameters.write(fl)
        except:
            pass  # fail silently
    return result
Пример #3
0
        return None

    try:
        ac, ag, at, cg, ct, gt = (float(x) for x in re.search(r'GTR rates\(ac ag at cg ct gt\) ([0-9.]+)\s+([0-9.]+)\s+([0-9.]+)\s+([0-9.]+)\s+([0-9.]+)\s+([0-9.]+)', s).groups())
    except AttributeError:
        warnings.warn('Couldn\'t parse substitution rates from {}'.format(filename))
        return None

    return {
        'loglk': loglk,
        'alpha': alpha,
        'freqs': np.array([a, c, g, t]),
        'rates': np.array([ [0 , ac, ag, at], 
                            [ac, 0 , cg, ct], 
                            [ag, cg, 0 , gt], 
                            [at, ct, gt, 0 ] ])
    }

if __name__ == '__main__':
    import argparse
    parser = argparse.ArgumentParser()
    parser.add_argument('-f', '--filename', type=str)
    parser.add_argument('-o', '--output', type=str)
    args = parser.parse_args()

    import json
    result = run_raxml_fast(args.filename)
    with fileIO.fwriter(args.output) as fl:
        json.dump(result, fl)

Пример #4
0
def write_concats(collection, ps, path, index, logger, method, fastest):
    concat_dir = get_dirs(path, index)['concdir']
    if not os.path.exists(concat_dir): os.mkdir(concat_dir)

    # First concat is all records, no clustering
    outf = os.path.join(concat_dir, '1cl0.phy')
    outr = os.path.join(concat_dir, '1cl0.json')
    if not os.path.exists(outf):
        conc = collection.concatenate(range(len(collection)))
        al = conc.alignment
        al.write_alignment(outf, 'phylip', True)
        AlignIO.convert(outf, 'phylip-relaxed', '{}_'.format(outf), 'phylip-relaxed')
        os.system('mv {} {}'.format('{}_'.format(outf), outf))
    if not os.path.exists(outr):
        al = treeCl.alignment.Alignment(outf, 'phylip', True)
        if al.is_dna():
            if method == 'raxml':
                logger.info('Calculating fast raxml tree for dna alignment 1cl0.phy')
                result = run_raxml_fast(outf, fastest)
            else:
                logger.info('Calculating FastTree tree for dna alignment 1cl0.phy')
                result = run_fasttree(outf, True)

        else:
            if method == 'raxml':
                logger.info('Calculating fast raxml tree for protein alignment 1cl0.phy')
                result = run_raxml_fast(outf, 'PROTGAMMALG', fastest)
            else:
                logger.info('Calculating FastTree tree for protein alignment 1cl0.phy')
                result = run_fasttree(outf, False)

        with fileIO.fwriter(outr) as fl:
            json.dump(result, fl)

    # Now do rest of concats
    for ngrp, p in enumerate(ps, start=2):
        for i, grp in enumerate(p.get_membership()):
            outf = os.path.join(concat_dir, '{}cl{}.phy'.format(ngrp, i))
            outr = os.path.join(concat_dir, '{}cl{}.json'.format(ngrp, i))
            if not os.path.exists(outf):
                conc = collection.concatenate(grp)
                al = conc.alignment
                al.write_alignment(outf, 'phylip', True)
                AlignIO.convert(outf, 'phylip-relaxed', '{}_'.format(outf), 'phylip-relaxed')
                os.system('mv {} {}'.format('{}_'.format(outf), outf))
            if not os.path.exists(outr):
                al = treeCl.alignment.Alignment(outf, 'phylip', True)
                if al.is_dna():
                    if method == 'raxml':
                        logger.info('Calculating fast raxml tree for dna alignment {}cl{}.phy'.format(ngrp, i))
                        result = run_raxml_fast(outf, fastest)
                    else:
                        logger.info('Calculating FastTree tree for dna alignment {}cl{}.phy'.format(ngrp, i))
                        result = run_fasttree(outf, True)

                else:
                    if method == 'raxml':
                        logger.info('Calculating fast raxml tree for protein alignment {}cl{}.phy'.format(ngrp, i))
                        result = run_raxml_fast(outf, 'PROTGAMMALG', fastest)
                    else:
                        logger.info('Calculating FastTree tree for protein alignment {}cl{}.phy'.format(ngrp, i))
                        result = run_fasttree(outf, False)

                with fileIO.fwriter(outr) as fl:
                    json.dump(result, fl)