def safe_version(version):
    version = version.replace(' ','.')
    return re.sub('[^A-Za-z0-9.]+', '-', version)
Iterate over all items.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/distutils/command/install_egg_info.py/safe_version--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/utils.py/LRUCache.iteritems