import os, errno

def mkdir(path):
    try:
        os.mkdir(path)
    except OSError, e:
        if e.errno == errno.EEXIST:
            pass
        else:
            raise

def maketemp():
    tmp = os.path.join(os.path.dirname(__file__), 'tmp')
    mkdir(tmp)
    me = os.path.splitext(os.path.basename(__file__))[0]
    tmp = os.path.join(tmp, me)
    mkdir(tmp)
    return tmp