def getproxies_environment():
    proxies = {}
    for name, value in os.environ.items():
        name = name.lower()
        if value and name[-6:] == '_proxy':
            proxies[name[:-6]] = value
    return proxies
Return a dictionary of scheme -> proxy server URL mappings.
dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/urllib.py/getproxies_environment