__init__.py

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import os, sys
from pkg_resources import get_distribution

__version__ = get_distribution('modena').version

MODENA_INSTALL_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
MODENA_WORKING_DIR = os.path.realpath(os.getcwd())

from Strategy import BackwardMappingScriptTask, ModenaFireTask
from SurrogateModel import CFunction, IndexSet, \
    SurrogateModel, ForwardMappingModel, BackwardMappingModel, \
    ModenaFireTask, MODENA_PARSED_URI


def find_module(target, startsearch=MODENA_WORKING_DIR):

    pth = os.path.abspath(startsearch)
    while target not in os.listdir(pth):
        pth = os.path.abspath(os.path.join(pth,'..'))  # step back a directory
        if os.path.ismount(pth):                       # break if we hit "root"
            pth = None
            break

    if pth is not None:
        sys.path.insert(0, os.path.join(pth,target))
    else:
        print "Could not find directory: %s" %(target)

def import_helper():
    from os.path import dirname
    import imp


    fp = None
    try:
        fp, pathname, description = imp.find_module(
            'libmodena',
            [ find_module("modena", os.path.join(MODENA_INSTALL_DIR, "..","..")) ]
        )
    except ImportError:
        import libmodena
        return libmodena
    if fp is not None:
        try:
            _mod = imp.load_module('libmodena', fp, pathname, description)
        finally:
            fp.close()
        return _mod


find_module("MoDeNaModels")   # Look for a models directory
libmodena = import_helper()
del import_helper