Python 報錯中心

1、 

輸入：pip install pdb

報錯信息：Could not find a version that satisfies the requirement pdb (from versions: ) No matching distribution found for pdb You are using pip version 9.0.1, however version 20.1 is available. You should consider upgrading via the 'python -m pip install --upgrade pip' command.

原因：pip 版本太低，導致無法安裝軟件

解決辦法：升級pip版本      輸入：  python -m pip install --upgrade pip

 

2、

輸入：  python -m pip install --upgrade pip

報錯信息： AttributeError: 'NoneType' object has no attribute 'bytes'

再次輸入： python -m pip install --upgrade pip

報錯信息：Requirement already up-to-date: pip in f:\code\python\crawl_advence\venv\lib\site-packages (20.1)
Could not build wheels for pip, since package 'wheel' is not installed.

原因：pip版本過高，不匹配（自動升級版本爲20.1）

解決辦法： python -m pip install --upgrade pip == 19.2.3        降低匹配版本在進行安裝

 

3、

peewee在進行數據表創建時出錯

報錯信息：Warning: (3090, "Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.")

解決辦法：

登陸mysql 並輸入以下命令：

set @@GLOBAL.sql_mode='';

set sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';

set @@sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';