pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

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(venv) C:\Users\tangxx\Desktop\information_management>pip install Django==2.0
Collecting Django==2.0
  Downloading https://files.pythonhosted.org/packages/44/98/35b935a98a17e9a188efc2d53fc51ae0c8bf498a77bc224f9321ae5d111c/Django-2.0-py3-none-any.whl (7.1MB)
     |                                | 40kB 14kB/s eta 0:08:05ERROR: Exception:
Traceback (most recent call last):
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 425, in _error_catcher
    yield
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 507, in read
    data = self._fp.read(amt) if not fp_closed else b""
  File "c:\program files\python36\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 62, in read
    data = self.__fp.read(amt)
  File "c:\program files\python36\lib\http\client.py", line 449, in read
    n = self.readinto(b)
  File "c:\program files\python36\lib\http\client.py", line 493, in readinto
    n = self.fp.readinto(b)
  File "c:\program files\python36\lib\socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "c:\program files\python36\lib\ssl.py", line 1009, in recv_into
    return self.read(nbytes, buffer)
  File "c:\program files\python36\lib\ssl.py", line 871, in read
    return self._sslobj.read(len, buffer)
  File "c:\program files\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:\program files\python36\lib\site-packages\pip\_internal\cli\base_command.py", line 153, in _main
    status = self.run(options, args)
  File "c:\program files\python36\lib\site-packages\pip\_internal\commands\install.py", line 382, in run
    resolver.resolve(requirement_set)
  File "c:\program files\python36\lib\site-packages\pip\_internal\legacy_resolve.py", line 201, in resolve
    self._resolve_one(requirement_set, req)
  File "c:\program files\python36\lib\site-packages\pip\_internal\legacy_resolve.py", line 365, in _resolve_one
    abstract_dist = self._get_abstract_dist_for(req_to_install)
  File "c:\program files\python36\lib\site-packages\pip\_internal\legacy_resolve.py", line 313, in _get_abstract_dist_for
    req, self.session, self.finder, self.require_hashes
  File "c:\program files\python36\lib\site-packages\pip\_internal\operations\prepare.py", line 194, in prepare_linked_requirement
    progress_bar=self.progress_bar
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 465, in unpack_url
    progress_bar=progress_bar
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 316, in unpack_http_url
    progress_bar)
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 551, in _download_http_url
    _download_url(resp, link, content_file, hashes, progress_bar)
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 253, in _download_url
    hashes.check_against_chunks(downloaded_chunks)
  File "c:\program files\python36\lib\site-packages\pip\_internal\utils\hashes.py", line 80, in check_against_chunks
    for chunk in chunks:
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 223, in written_chunks
    for chunk in chunks:
  File "c:\program files\python36\lib\site-packages\pip\_internal\utils\ui.py", line 160, in iter
    for x in it:
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 212, in resp_read
    decode_content=False):
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 564, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 529, in read
    raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
  File "c:\program files\python36\lib\contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 430, 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.
 
(venv) C:\Users\tangxx\Desktop\information_management>pip3 install Django==2.0
Collecting Django==2.0
  WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out. (read timeout=15)",)': /packages/44/98/35b935a98a17
e9a188efc2d53fc51ae0c8bf498a77bc224f9321ae5d111c/Django-2.0-py3-none-any.whl
  Downloading https://files.pythonhosted.org/packages/44/98/35b935a98a17e9a188efc2d53fc51ae0c8bf498a77bc224f9321ae5d111c/Django-2.0-py3-none-any.whl (7.1MB)
     |                                | 40kB 11kB/s eta 0:10:09ERROR: Exception:
Traceback (most recent call last):
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 425, in _error_catcher
    yield
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 507, in read
    data = self._fp.read(amt) if not fp_closed else b""
  File "c:\program files\python36\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 62, in read
    data = self.__fp.read(amt)
  File "c:\program files\python36\lib\http\client.py", line 449, in read
    n = self.readinto(b)
  File "c:\program files\python36\lib\http\client.py", line 493, in readinto
    n = self.fp.readinto(b)
  File "c:\program files\python36\lib\socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "c:\program files\python36\lib\ssl.py", line 1009, in recv_into
    return self.read(nbytes, buffer)
  File "c:\program files\python36\lib\ssl.py", line 871, in read
    return self._sslobj.read(len, buffer)
  File "c:\program files\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:\program files\python36\lib\site-packages\pip\_internal\cli\base_command.py", line 153, in _main
    status = self.run(options, args)
  File "c:\program files\python36\lib\site-packages\pip\_internal\commands\install.py", line 382, in run
    resolver.resolve(requirement_set)
  File "c:\program files\python36\lib\site-packages\pip\_internal\legacy_resolve.py", line 201, in resolve
    self._resolve_one(requirement_set, req)
  File "c:\program files\python36\lib\site-packages\pip\_internal\legacy_resolve.py", line 365, in _resolve_one
    abstract_dist = self._get_abstract_dist_for(req_to_install)
  File "c:\program files\python36\lib\site-packages\pip\_internal\legacy_resolve.py", line 313, in _get_abstract_dist_for
    req, self.session, self.finder, self.require_hashes
  File "c:\program files\python36\lib\site-packages\pip\_internal\operations\prepare.py", line 194, in prepare_linked_requirement
    progress_bar=self.progress_bar
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 465, in unpack_url
    progress_bar=progress_bar
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 316, in unpack_http_url
    progress_bar)
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 551, in _download_http_url
    _download_url(resp, link, content_file, hashes, progress_bar)
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 253, in _download_url
    hashes.check_against_chunks(downloaded_chunks)
  File "c:\program files\python36\lib\site-packages\pip\_internal\utils\hashes.py", line 80, in check_against_chunks
    for chunk in chunks:
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 223, in written_chunks
    for chunk in chunks:
  File "c:\program files\python36\lib\site-packages\pip\_internal\utils\ui.py", line 160, in iter
    for x in it:
  File "c:\program files\python36\lib\site-packages\pip\_internal\download.py", line 212, in resp_read
    decode_content=False):
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 564, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 529, in read
    raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
  File "c:\program files\python36\lib\contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "c:\program files\python36\lib\site-packages\pip\_vendor\urllib3\response.py", line 430, 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.　　

原因：

有一个本地服务器，网速很慢，下载老是出错，出现

在下载python库的时候，由于国内网络原因，python包的下载速度非常慢，查看pip 文档，只要在 pip的时候控制超时即可, 具体参数为 --default-timeout=100，后面的时间可以自己指定。

解决1

`pip install --default-timeout=1000 --no-cache-dir -r requirements.txt`

解决2

pip --default-timeout=100 install gevent

解决3

替换源

在命令中临时修改

pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pillow

不错的分享更换源

https://www.cnblogs.com/wooya/p/6371511.html

还有可能报错

The repository located at pypi.doubanio.com is not a trusted or secure host and is being ignored.

解决办法

https://blog.csdn.net/qq_15969343/article/details/79057042

或者

vi ~/.pip/pip.con
复制代码
#正确写法 
 1 [global]
  2 timeout = 6000
  3 index-url = https://pypi.douban.com/simple
  4 
  5 [install]
  6 use-mirrors = true
  7 mirrors = https://pypi.douban.com/simple/
  8 trusted-host=pypi.douban.com
 
 
#错误写法
 1 [global]
  2 timeout = 6000
  3 index-url = http://pypi.douban.com/simple
  4 
  5 [install]
  6 use-mirrors = true
  7 mirrors = http://pypi.douban.com/simple/
  8 trusted-host=pypi.douban.com