Python error: ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+

Article directory Python error: ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1 + 1. Problem description 2. Problem analysis 3. Solutions After upgrading openssl, still import urllib3 error Idea 1: Recompile python Idea 2: Specify the Python interpreter to link to the new version of OpenSSL without recompiling Python 4. The relationship between python compilation and […]

Python’s various network request libraries urllib3 requests aiohttp request http and https efficiency comparison, multi-threading, gevent, asyncio comparison, super large thread pool, 2n + 1 thread pool comparison…

The three purposes of this article are not to go astray by just obsessing with concepts. Some people think that there is a set of concepts, but in fact it is not what they think. This article uses various network request libraries, various concurrency modes, and thread pools of various sizes to test 50,000 requests […]

[Solved] Resolve pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool

Solve pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host=’files.pythonhosted.org’, port=443): Read timed out problem Install torch with the command: pip3 install torch==1.10.0 + cu113 torchvision==0.11.1 + cu113 torchaudio===0.10.0 + cu113 -f https://download.pytorch.org/whl/cu113/torch_stable.html – i http://mirrors.aliyun.com/pypi/simple/ –trusted-host mirrors.aliyun.com At this time, the error is reported: pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host=’download.pytorch.org’, port=443): Read timed out. 2. Analyze the cause of the problem (1) There is a […]

[Solved] python error pip._vendor.urllib3.exceptions.ReadTimeoutError: solution

1. Error report When downloading the third-party library tensorflow, an error occurred: pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host=’files.pythonhosted.org’, port=443): Read timed out 2. Solutions Find the terminal in the lower left corner of pycharm and enter the command: pip –default-timeout=100 install tensorflow -i http://pypi.douban.com/simple/ –trusted-host pypi.douban.com This command can switch the download source and speed up the download speed. […]

[Solved] pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool, pip download slow problem

pip install package_name -i http://pypi.douban.com/simple –trusted-host pypi.douban.com Change to pypi Douban source The article knowledge points are matched with the official knowledge files, and you can further learn the relevant knowledge Python introductory skill tree Preliminary knowledgeModule management 78092 people are learning the system

[Solved] The difference between subprocess shell=False and shell=True in python | pyinstaller reports error urllib3.packages.six.moves pre-safe-imp

https://www.cnblogs.com/pengfy/p/12108054.html pyinstaller reports error urllib3.packages.six.moves pre-safe-import-module hook failed, needs fixing. When packaging with pyinstaller, I got the following error: urllib3.packages.six.moves pre-safe-import-module hook failed, needs fixing. I searched for a long time and couldn’t find the problem. I suddenly remembered that because of another problem, I modified the __init__ of the popen class in the subprocess.py […]

[Solved] Flask request urllib3.exceptions.ProtocolError: (“Connection broken: ConnectionAborted or BrokenPipeError error

When the flask request body is large (roughly estimated to be larger than 1M), the corresponding code on the server side will report 200 when the request is not read from request.json or request.files, but the requester will display requests.exceptions.ConnectionError: (‘Connection aborted.’, BrokenPipeError(32, ‘Broken pipe’)) or urllib3.exceptions.ProtocolError: (“Connection broken: ConnectionAbortedError(10053, ‘Software on your host aborted […]

[Solved] urllib3 1.26.9 or chardet 4.0.0 doesn’t match a supported version error handling

C:\Users\86132\AppData\Local\Programs\Python\Python38\python.exe C:/Users/86132/PycharmProjects/PycharmProjects/crazy_bounty/tomorrow.py C:\Users\86132\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\__init__.py:89: RequestsDependencyWarning: urllib3 (1.26.9) or chardet (4.0.0) doesn’t match a supported version! warnings.warn(“urllib3 ({}) or chardet ({}) doesn’t match a supported ” Reason: The versions of urllib3 and chardet do not match Solution: Enter the current __init__.py file to find the version compatibility range of urllib3 and chardet Find the check_compatibility(urllib3_version, chardet_version) method […]

[Solved] pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host=’files.pythonhosted.org’,

I encountered a problem when installing the module today pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host=’files.pythonhosted.org’, For specific information, see the figure below After checking the information on the Internet, I found that the error was reported due to the instability of the network: The following solutions can be used to solve the problem: Option 1: Delayed installation pip install […]