from modeller import *
from modeller.automodel import *
import sys

log.verbose()
env = Environ()

env.io.atom_files_directory = ['.', '../atom_files']

# Build 3 models, and assess with both DOPE and GA341
a = AutoModel(env, alnfile = 'alignment.ali', knowns = '5fd1',
              sequence = '1fdx', assess_methods=(assess.DOPE, assess.GA341))
a.starting_model= 1
a.ending_model  = 3
a.make()

# Get a list of all successfully built models from a.outputs
ok_models = [x for x in a.outputs if x['failure'] is None]

# Rank the models by DOPE score
key = 'DOPE score'
if sys.version_info[:2] == (2,3):
    # Python 2.3's sort doesn't have a 'key' argument
    ok_models.sort(lambda a,b: cmp(a[key], b[key]))
else:
    ok_models.sort(key=lambda a: a[key])

# Get top model
m = ok_models[0]
print("Top model: %s (DOPE score %.3f)" % (m['name'], m[key]))