@property
    def proxies(self):
        try:
            proxies = self.get_conf("proxies")
            # If there is proxies section, but empty, it will try to use system proxy
            if not proxies:
                return urllib.getproxies()
            return dict(proxies)
        except:
            return None
optional field, might not exist
dataset/ETHPy150Open conan-io/conan/conans/client/conf/__init__.py/ConanClientConfigParser.proxies