[英]ValueError: check_hostname requires server_hostname
[英]pip install raise ValueError("check_hostname requires server_hostname") while VPN is on
pip install <package>
給出異常。
raise ValueError("check_hostname requires server_hostname")
ValueError: check_hostname requires server_hostname
當 VPN 開啟時,假設。 我唯一的選擇是VPN 。 我無法關閉它。 如何解決這個問題呢。 Pip 版本pip 21.1.1
Python 3.9.5
Conda 版本conda 4.10.1
這是一個完整的例外。
WARNING: Ignoring invalid distribution -rllib3 (c:\programdata\anaconda3\envs\pycharm\lib\site-packages)
WARNING: Ignoring invalid distribution -rllib3 (c:\programdata\anaconda3\envs\pycharm\lib\site-packages)
ERROR: Exception:
Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\cli\base_command.py", line 180, in _main
status = self.run(options, args)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\cli\req_command.py", line 204, in wrapper
return func(self, options, args)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\commands\install.py", line 318, in run
requirement_set = resolver.resolve(
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 127, in resolve
result = self._result = resolver.resolve(
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 473, in resolve
state = resolution.resolve(requirements, max_rounds=max_rounds)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 341, in resolve
name, crit = self._merge_into_criterion(r, parent=None)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 172, in _merge_into_criterion
if not criterion.candidates:
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\resolvelib\structs.py", line 139, in __bool__
return bool(self._sequence)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 143, in __bool__
return any(self)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 129, in <genexpr>
return (c for c in iterator if id(c) not in self._incompatible_ids)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 30, in _iter_built
for version, func in infos:
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 258, in iter_index_candidate_infos
result = self._finder.find_best_candidate(
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\index\package_finder.py", line 879, in find_best_candidate
candidates = self.find_all_candidates(project_name)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\index\package_finder.py", line 824, in find_all_candidates
page_candidates = list(page_candidates_it)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\index\sources.py", line 134, in page_candidates
yield from self._candidates_from_page(self._link)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\index\package_finder.py", line 783, in process_project_url
html_page = self._link_collector.fetch_page(project_url)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\index\collector.py", line 512, in fetch_page
return _get_html_page(location, session=self.session)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\index\collector.py", line 422, in _get_html_page
resp = _get_html_response(url, session=session)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\index\collector.py", line 120, in _get_html_response
resp = session.get(
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\requests\sessions.py", line 555, in get
return self.request('GET', url, **kwargs)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_internal\network\session.py", line 449, in request
return super().request(method, url, *args, **kwargs)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\requests\sessions.py", line 542, in request
resp = self.send(prep, **send_kwargs)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\requests\sessions.py", line 655, in send
r = adapter.send(request, **kwargs)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\cachecontrol\adapter.py", line 53, in send
resp = super(CacheControlAdapter, self).send(request, **kw)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\requests\adapters.py", line 439, in send
resp = conn.urlopen(
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\urllib3\connectionpool.py", line 696, in urlopen
self._prepare_proxy(conn)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\urllib3\connectionpool.py", line 964, in _prepare_proxy
conn.connect()
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\urllib3\connection.py", line 359, in connect
conn = self._connect_tls_proxy(hostname, conn)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\urllib3\connection.py", line 500, in _connect_tls_proxy
return ssl_wrap_socket(
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\urllib3\util\ssl_.py", line 432, in ssl_wrap_socket
ssl_sock = _ssl_wrap_socket_impl(sock, context, tls_in_tls)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\site-packages\pip\_vendor\urllib3\util\ssl_.py", line 474, in _ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock)
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\ssl.py", line 500, in wrap_socket
return self.sslsocket_class._create(
File "C:\ProgramData\Anaconda3\envs\PyCharm\lib\ssl.py", line 997, in _create
raise ValueError("check_hostname requires server_hostname")
ValueError: check_hostname requires server_hostname
WARNING: Ignoring invalid distribution -rllib3 (c:\programdata\anaconda3\envs\pycharm\lib\site-packages)
WARNING: Ignoring invalid distribution -rllib3 (c:\programdata\anaconda3\envs\pycharm\lib\site-packages)
WARNING: Ignoring invalid distribution -rllib3 (c:\programdata\anaconda3\envs\pycharm\lib\site-packages)
您應該嘗試使用--proxy
參數執行 pip ,如下所示:
pip --proxy <proxy> install <module>
或者您可以嘗試設置環境變量,如此處所述 https://pip.pypa.io/en/stable/user_guide/?highlight=proxy#using-a-proxy-server
盡管如此,使用VPN應該不會提示這種問題,可能是它沒有配置好,所以所有的流量都沒有通過它。 檢查您的 0.0.0.0 IP 路由是否首先指向 vpn。
如果您使用VPN嘗試斷開它,它將解決問題。 VPN 更改代理服務器設置。
對我來說唯一的解決方案是通過 whl 升級 pip。
從 whl 下載最新的 whl,然后 pip 安裝 pip 升級(pip-21.2.4-py3-none-any.whl)。
一旦我升級了 PIP,PIP 就可以按預期安裝。
根據要求從評論中復制其他詳細信息。
Go 到 pypi.org 並搜索 pip.py (pypi.org/search/?q=pip.py&o=)。 將文件下載到本地計算機 (pip-21.2.4-py3-none-any.whl)。 然后,在提示符下,“pip install”。 它修復了我的。 希望它也適合你!
還有另一種更好的方法來解決這個問題。 只需使用以下命令升級 pip 版本:
python -m pip install --upgrade pip
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.