pip install grpcio-tools

1、出現如下錯誤：

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.

解決方案：pip install grpcio-tools -i https://pypi.doubanio.com/simple

后面的-i https://pypi.doubanio.com/simple即是鏡像

2、輸入pip3 install grpcio-tools googleapis-common-protoson-protos -i https://pypi.doubanio.com/simple

出現如下錯誤：

Could not find a version that satisfies the requirement grpcio (from versions: )
No matching distribution found for grpcio

解決方案1：

輸入：python -m pip install --upgrade pip

解決方案2（分開安裝）：

輸入：pip install protobuf

? ? ? ? ? pip install grpcio-tools

?

?

?

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