Tooltron

def __boot():

    import sys, imp, os, os.path   

    PYTHONPATH = os.environ.get('PYTHONPATH')

    if PYTHONPATH is None or (sys.platform=='win32' and not PYTHONPATH):

        PYTHONPATH = []

    else:

        PYTHONPATH = PYTHONPATH.split(os.pathsep)

    pic = getattr(sys,'path_importer_cache',{})

    stdpath = sys.path[len(PYTHONPATH):]

    mydir = os.path.dirname(__file__)

    #print "searching",stdpath,sys.path

    for item in stdpath:

        if item==mydir or not item:

            continue    # skip if current dir. on Windows, or my own directory

        importer = pic.get(item)

        if importer is not None:

            loader = importer.find_module('site')

            if loader is not None:

                # This should actually reload the current module

                loader.load_module('site')

                break

        else:

            try:

                stream, path, descr = imp.find_module('site',[item])

            except ImportError:

                continue

            if stream is None:

                continue

            try:

                # This should actually reload the current module

                imp.load_module('site',stream,path,descr)

            finally:

                stream.close()

            break

    else:

        raise ImportError("Couldn't find the real 'site' module")

    #print "loaded", __file__

    known_paths = dict([(makepath(item)[1],1) for item in sys.path]) # 2.2 comp

    oldpos = getattr(sys,'__egginsert',0)   # save old insertion position

    sys.__egginsert = 0                     # and reset the current one

    for item in PYTHONPATH:

        addsitedir(item)

    sys.__egginsert += oldpos           # restore effective old position

    d,nd = makepath(stdpath[0])

    insert_at = None

    new_path = []

    for item in sys.path:

        p,np = makepath(item)

        if np==nd and insert_at is None:

            # We've hit the first 'system' path entry, so added entries go here

            insert_at = len(new_path)

        if np in known_paths or insert_at is None:

            new_path.append(item)

        else:

            # new path after the insert point, back-insert it

            new_path.insert(insert_at, item)

            insert_at += 1

    sys.path[:] = new_path

if __name__=='site':    

    __boot()

    del __boot