已解决DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip 21.0 will remove support for this functionality.
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
ERROR: Could not find a version that satisfies the requirement opencv-python4.5.5.62A (from versions: 3.1.0.0, 3.1.0.5, 3.2.0.7, 3.2.0.8, 3.3.0.9, 3.3.0.10, 3.3.1.11, 3.4.0.12, 3.4.0.14, 3.4.1.15, 3.4.2.16, 3.4.2.17, 3.4.3.18, 3.4.4.19, 3.4.5.20, 3.4.6.27, 3.4.7.28, 3.4.8.29, 3.4.9.31, 3.4.10.37, 4.0.0.21, 4.0.1.23, 4.0.1.24, 4.1.0.25, 4.1.1.26, 4.1.2.30, 4.2.0.32, 4.3.0.38)
ERROR: No matching distribution found for opencv-python==4.5.5.62A
Article directory
Error report
A friend in the fan group ran into a problem and came to private message me, trying to install a third-party module with pip, but an error occurred (at that time, his heart was cold for a moment, and he came to me for help, and then successfully helped him solve it. , by the way, record it and hope it can help more friends who encounter this bug and will not solve it), the error code is as follows:
pip install opencv-python==4.5.5.62A
The screenshot of the error message is as follows :
error translation
The translation of the error message is as follows :
Summary: Python 2.7 reached end of life on January 1, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details on Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip 21.0 will remove support for this feature.
Search index: https://pypi.tuna.tsinghua.edu.cn/simple
Error: Could not find a version that satisfies the requirement opencv-python==4.5.5.62A (from versions: 3.1.0.0, 3.1.0.5, 3.2.0.7, 3.2.0.8, 3.3.0.9, 3.3.0.10, 3.3.1.11, 3.4 .0.12, 3.4.0.14, 3.4.1.15, 3.4.2.16, 3.4.2.17, 3.4.3.18, 3.4.4.19, 3.4.5.20, 3.4.6.27, 3.4.7.28, 3.4.8.29, 3.4.9.31, 3.4.10.37 , 4.0.0.21, 4.0.1.23, 4.0.1.24, 4.1.0.25, 4.1.1.26, 4.1.2.30, 4.2.0.32, 4.3.0.38)
Error: No matching distribution found for opencv-python==4.5.5.62A
Error reason
Reason for error :
- 1. The default version on the company's server is Python2.7. Due to version issues, Python2.7 is not maintained.
- 2. The specified version of opencv-python installed is wrong
If you don’t have Python3 on your computer, you can install Python3 according to the following method. If you have Python3, just look at the solution! ! !
Download and install Python3
Official website download address: http://www.python.org/download/
1) There are default installation and custom installation, the custom installation selected here,Note: You must check the bottom environment configuration! ! !
2) Check some plug-ins and tools
3) Modify the installation path
4) After the installation is complete, click Close
5) After the installation is successful, open the command prompt window (win+R, enter cmd and press Enter), and the version number is displayed after typing python, indicating that the installation is successful
Solution
When both Python2 and Python3 exist on the computer, the Python3 pip installation command is as follows:
pip3 install 包名
opencv-python installation command:
pip3 install opencv-python==4.3.0.38
The above is the solution to the cause of this error. Welcome to leave a message in the comment area to discuss whether it can be solved.If it is useful, please like and collect the article. Thank you for your support. The blogger has the motivation to keep recording the problems encountered.！！！
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