pip install grpcio-tools

1、出现如下错误：

Traceback (most recent call last):

File "d:\usedtool\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 302, in _error_catcher

yield

File "d:\usedtool\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 384, in read

data = self._fp.read(amt)

File "d:\usedtool\python\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 60, in read

data = self.__fp.read(amt)

File "d:\usedtool\python\lib\http\client.py", line 449, in read

n = self.readinto(b)

File "d:\usedtool\python\lib\http\client.py", line 493, in readinto

n = self.fp.readinto(b)

File "d:\usedtool\python\lib\socket.py", line 586, in readinto

return self._sock.recv_into(b)

File "d:\usedtool\python\lib\ssl.py", line 1009, in recv_into

return self.read(nbytes, buffer)

File "d:\usedtool\python\lib\ssl.py", line 871, in read

return self._sslobj.read(len, buffer)

File "d:\usedtool\python\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 "d:\usedtool\python\lib\site-packages\pip\_internal\basecommand.py", line 228, in main

status = self.run(options, args)

File "d:\usedtool\python\lib\site-packages\pip\_internal\commands\install.py", line 291, in run

resolver.resolve(requirement_set)

File "d:\usedtool\python\lib\site-packages\pip\_internal\resolve.py", line 103, in resolve

self._resolve_one(requirement_set, req)

File "d:\usedtool\python\lib\site-packages\pip\_internal\resolve.py", line 257, in _resolve_one

abstract_dist = self._get_abstract_dist_for(req_to_install)

File "d:\usedtool\python\lib\site-packages\pip\_internal\resolve.py", line 210, in _get_abstract_dist_for

self.require_hashes

File "d:\usedtool\python\lib\site-packages\pip\_internal\operations\prepare.py", line 310, in prepare_linked_requirement

progress_bar=self.progress_bar

File "d:\usedtool\python\lib\site-packages\pip\_internal\download.py", line 837, in unpack_url

progress_bar=progress_bar

File "d:\usedtool\python\lib\site-packages\pip\_internal\download.py", line 674, in unpack_http_url

progress_bar)

File "d:\usedtool\python\lib\site-packages\pip\_internal\download.py", line 898, in _download_http_url

_download_url(resp, link, content_file, hashes, progress_bar)

File "d:\usedtool\python\lib\site-packages\pip\_internal\download.py", line 618, in _download_url

hashes.check_against_chunks(downloaded_chunks)

File "d:\usedtool\python\lib\site-packages\pip\_internal\utils\hashes.py", line 48, in check_against_chunks

for chunk in chunks:

File "d:\usedtool\python\lib\site-packages\pip\_internal\download.py", line 586, in written_chunks

for chunk in chunks:

File "d:\usedtool\python\lib\site-packages\pip\_internal\utils\ui.py", line 159, in iter

for x in it:

File "d:\usedtool\python\lib\site-packages\pip\_internal\download.py", line 575, in resp_read

decode_content=False):

File "d:\usedtool\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 436, in stream

data = self.read(amt=amt, decode_content=decode_content)

File "d:\usedtool\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 401, in read

raise IncompleteRead(self._fp_bytes_read, self.length_remaining)

File "d:\usedtool\python\lib\contextlib.py", line 99, in __exit__

self.gen.throw(type, value, traceback)

File "d:\usedtool\python\lib\site-packages\pip\_vendor\urllib3\response.py", line 307, 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.

解决方案：pip install grpcio-tools -i https://pypi.doubanio.com/simple

后面的-i https://pypi.doubanio.com/simple即是镜像

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作者：chde222

来源：CSDN

原文：https://blog.csdn.net/weixin_38383877/article/details/81101335 （ 侵删，感谢！ ）