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python3-urllib3
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src/urllib3/util/proxy.py
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Bastian Venthur
Use the typing namespace and from __future__ import annotations
21 ноя 2022, 22:29
Не верифицирован
21 ноя 2022, 22:29
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from __future__ import annotations import typing from .url import Url if typing.TYPE_CHECKING: from ..connection import ProxyConfig def connection_requires_http_tunnel( proxy_url: Url | None = None, proxy_config: ProxyConfig | None = None, destination_scheme: str | None = None, ) -> bool: """ Returns True if the connection requires an HTTP CONNECT through the proxy. :param URL proxy_url: URL of the proxy. :param ProxyConfig proxy_config: Proxy configuration from poolmanager.py :param str destination_scheme: The scheme of the destination. (i.e https, http, etc) """ # If we're not using a proxy, no way to use a tunnel. if proxy_url is None: return False # HTTP destinations never require tunneling, we always forward. if destination_scheme == "http": return False # Support for forwarding with HTTPS proxies and HTTPS destinations. if ( proxy_url.scheme == "https" and proxy_config and proxy_config.use_forwarding_for_https ): return False # Otherwise always use a tunnel. return True