问题遇到的现象和发生背景
问题是我用windows power shell 里面对python的pip进行升级，然后报错
问题相关代码，请勿粘贴截图
python -m pip install --upgrade pip
运行结果及报错内容
Collecting pip
Downloading https://files.pythonhosted.org/packages/a4/6d/6463d49a933f547439d6b5b98b46af8742cc03ae83543e4d7688c2420f8b/pip-21.3.1-py3-none-any.whl (1.7MB)
32% |██████████ | 552kB 37kB/s eta 0:00:31Exception:
Traceback (most recent call last):
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_vendor\urllib3\response.py", line 331, in _error_catcher
yield
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_vendor\urllib3\response.py", line 413, in read
data = self._fp.read(amt)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_vendor\cachecontrol\filewrapper.py", line 62, in read
data = self.__fp.read(amt)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\http\client.py", line 449, in read
n = self.readinto(b)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\http\client.py", line 493, in readinto
n = self.fp.readinto(b)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\socket.py", line 586, in readinto
return self._sock.recv_into(b)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\ssl.py", line 1012, in recv_into
return self.read(nbytes, buffer)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\ssl.py", line 874, in read
return self._sslobj.read(len, buffer)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\ssl.py", line 631, in read
v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\cli\base_command.py", line 143, in main
status = self.run(options, args)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\commands\install.py", line 318, in run
resolver.resolve(requirement_set)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\resolve.py", line 102, in resolve
self._resolve_one(requirement_set, req)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\resolve.py", line 256, in _resolve_one
abstract_dist = self._get_abstract_dist_for(req_to_install)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\resolve.py", line 209, in _get_abstract_dist_for
self.require_hashes
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\operations\prepare.py", line 283, in prepare_linked_requirement
progress_bar=self.progress_bar
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\download.py", line 836, in unpack_url
progress_bar=progress_bar
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\download.py", line 673, in unpack_http_url
progress_bar)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\download.py", line 897, in _download_http_url
_download_url(resp, link, content_file, hashes, progress_bar)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\download.py", line 617, in _download_url
hashes.check_against_chunks(downloaded_chunks)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\utils\hashes.py", line 48, in check_against_chunks
for chunk in chunks:
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\download.py", line 585, in written_chunks
for chunk in chunks:
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\utils\ui.py", line 159, in iter
for x in it:
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_internal\download.py", line 574, in resp_read
decode_content=False):
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_vendor\urllib3\response.py", line 465, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_vendor\urllib3\response.py", line 430, in read
raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\contextlib.py", line 99, in exit
self.gen.throw(type, value, traceback)
File "C:\Users\25131\AppData\Local\Programs\Python\Python36\lib\site-packages\pip_vendor\urllib3\response.py", line 336, in _error_catcher
raise ReadTimeoutError(self._pool, None, 'Read timed out.')
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.
You are using pip version 18.1, however version 21.3.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
PS C:\Users\25131>
