#!/usr/bin/env python

#
# $File: PyEval.py $
#
# This file is part of simuPOP, a forward-time population genetics
# simulation environment. Please visit http://simupop.sourceforge.net
# for details.
#
# Copyright (C) 2004 - 2010 Bo Peng (bpeng@mdanderson.org)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

# This script is an example in the simuPOP user's guide. Please refer to
# the user's guide (http://simupop.sourceforge.net/manual) for a detailed
# description of this example.
#

import simuPOP as sim
pop = sim.Population(1000, loci=1,
    infoFields=['mother_idx', 'father_idx'])
pop.evolve(
    initOps=sim.InitSex(),
    matingScheme=sim.RandomMating(ops=[
        sim.MendelianGenoTransmitter(),
        sim.ParentsTagger(),
    ]),
    postOps=[
        sim.Stat(alleleFreq=0),
        sim.PyEval(r'"gen %d, #father %d, #mother %d\n"' \
            ' % (gen, numFather, numMother)',
            stmts="numFather = len(set(pop.indInfo('father_idx')))\n"
                "numMother = len(set(pop.indInfo('mother_idx')))",
            exposePop='pop')
    ],
    gen=3
)

