python安装opencv库、提示找不到pip_【Python】pip安装opencv-python包失败的一个处理方法...

出现的问题

在Windows10系统中，在cmd中（或者在pycharm的Terminal中）输入pip install opencv-python会出现如下报错

ERROR: Exception:

Traceback (most recent call last):

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_vendor\urllib3\response.py", line 397, in _error_catcher

yield

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_vendor\urllib3\response.py", line 479, in read

data = self._fp.read(amt)

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 62, in read

data = self.__fp.read(amt)

File "C:\Users\bzm84\Anaconda3\lib\http\client.py", line 457, in read

n = self.readinto(b)

File "C:\Users\bzm84\Anaconda3\lib\http\client.py", line 501, in readinto

n = self.fp.readinto(b)

File "C:\Users\bzm84\Anaconda3\lib\socket.py", line 589, in readinto

return self._sock.recv_into(b)

File "C:\Users\bzm84\Anaconda3\lib\ssl.py", line 1071, in recv_into

return self.read(nbytes, buffer)

File "C:\Users\bzm84\Anaconda3\lib\ssl.py", line 929, in read

return 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\bzm84\Anaconda3\lib\site-packages\pip\_internal\cli\base_command.py", line 188, in main

status = self.run(options, args)

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\commands\install.py", line 345, in run

resolver.resolve(requirement_set)

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\legacy_resolve.py", line 196, in resolve

self._resolve_one(requirement_set, req)

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\legacy_resolve.py", line 359, in _resolve_one

abstract_dist = self._get_abstract_dist_for(req_to_install)

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\legacy_resolve.py", line 307, in _get_abstract_dist_for

self.require_hashes

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\operations\prepare.py", line 199, in prepare_linked_requirement

progress_bar=self.progress_bar

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\download.py", line 1064, in unpack_url

progress_bar=progress_bar

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\download.py", line 924, in unpack_http_url

progress_bar)

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\download.py", line 1152, in _download_http_url

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

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\download.py", line 861, in _download_url

hashes.check_against_chunks(downloaded_chunks)

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\utils\hashes.py", line 75, in check_against_chunks

for chunk in chunks:

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\download.py", line 829, in written_chunks

for chunk in chunks:

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\utils\ui.py", line 156, in iter

for x in it:

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_internal\download.py", line 818, in resp_read

decode_content=False):

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_vendor\urllib3\response.py", line 531, in stream

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

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_vendor\urllib3\response.py", line 496, in read

raise IncompleteRead(self._fp_bytes_read, self.length_remaining)

File "C:\Users\bzm84\Anaconda3\lib\contextlib.py", line 130, in __exit__

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

File "C:\Users\bzm84\Anaconda3\lib\site-packages\pip\_vendor\urllib3\response.py", line 402, 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.1

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解决的方法

使用pip时，输入pip install --default-timeout=1000

e.g.

pip install --default-timeout=1000 scipy

pip install --default-timeout=1000 widgetsnbextension

pip install --default-timeout=1000 opencv-python1

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安装成功：