【fastapi】AttributeError: ‘FastAPI‘ object has no attribute ‘_debug‘

女爷i 2024-03-26 17:17 91阅读 0赞

又是一个美好而又期待的周末即将到来，再记录下方才遇到的问题：

> AttributeError: ‘FastAPI’ object has no attribute ‘\_debug’

不扯犊子了，直接摆出来解决方案：  
版本冲突导致

fastapi==0.89.1
    pip install starlette==0.22.0

切换成这个版本后就成功了；

错误的一些版本查询日志：

wsw@wsw88:/home$ pip list | grep fastap
    fastapi            0.92.0
    WARNING: The repository located at pypi.douban.com is not a trusted or secure host and is being ignored. If this repository is available ce this warning and allow it anyway with '--trusted-host pypi.douban.com'.
    wsw@wsw88:/home$ pip list | grep starlette
    starlette          0.25.0
    WARNING: The repository located at pypi.douban.com is not a trusted or secure host and is being ignored. If this repository is available via HTTPS we recommend you use HTTPS instead, otherwise you may silence this warning and allow it anyway with '--trusted-host pypi.douban.com'.
    wsw@wsw88:/home$ pip install starlette==0.22.0
    Looking in indexes: http://pypi.douban.com/simple
    Collecting starlette==0.22.0
      Downloading http://pypi.doubanio.com/packages/1d/4e/30eda84159d5b3ad7fe663c40c49b16dd17436abe838f10a56c34bee44e8/starlette-0.22.0-py3-none-any.whl (64 kB)
         ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 64.3/64.3 kB 2.6 MB/s eta 0:00:00
    Requirement already satisfied: typing-extensions>=3.10.0 in ./wsw/lib/python3.8/site-packages (from starlette==0.22.0) (4.5.0)
    Requirement already satisfied: anyio<5,>=3.4.0 in ./wsw/lib/python3.8/site-packages (from starlette==0.22.0) (3.6.2)
    Requirement already satisfied: idna>=2.8 in ./wsw/lib/python3.8/site-packages (from anyio<5,>=3.4.0->starlette==0.22.0) (3.4)
    Requirement already satisfied: sniffio>=1.1 in ./wsw/lib/python3.8/site-packages (from anyio<5,>=3.4.0->starlette==0.22.0) (1.3.0)
    Installing collected packages: starlette
      Attempting uninstall: starlette
        Found existing installation: starlette 0.25.0
        Uninstalling starlette-0.25.0:
          Successfully uninstalled starlette-0.25.0
    ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
    fastapi 0.92.0 requires starlette<0.26.0,>=0.25.0, but you have starlette 0.22.0 which is incompatible.
    Successfully installed starlette-0.22.0
    wsw@wsw88:/home$ pip install fastapi==0.89.1
    Looking in indexes: http://pypi.douban.com/simple
    Collecting fastapi==0.89.1
      Downloading http://pypi.doubanio.com/packages/8f/89/adf4525d1870021b65ec562e83e9f46d96494ad95f238d0264ef1ab6b604/fastapi-0.89.1-py3-none-any.whl (55 kB)
         ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 55.8/55.8 kB 3.3 MB/s eta 0:00:00
    Requirement already satisfied: pydantic!=1.7,!=1.7.1,!=1.7.2,!=1.7.3,!=1.8,!=1.8.1,<2.0.0,>=1.6.2 in ./wsw/lib/python3.8/site-packages (from fastapi==0.89.1) (1.10.5)
    Requirement already satisfied: starlette==0.22.0 in ./wsw/lib/python3.8/site-packages (from fastapi==0.89.1) (0.22.0)
    Requirement already satisfied: typing-extensions>=3.10.0 in ./wsw/lib/python3.8/site-packages (from starlette==0.22.0->fastapi==0.89.1) (4.5.0)
    Requirement already satisfied: anyio<5,>=3.4.0 in ./wsw/lib/python3.8/site-packages (from starlette==0.22.0->fastapi==0.89.1) (3.6.2)
    Requirement already satisfied: sniffio>=1.1 in ./wsw/lib/python3.8/site-packages (from anyio<5,>=3.4.0->starlette==0.22.0->fastapi==0.89.1) (1.3.0)
    Requirement already satisfied: idna>=2.8 in ./wsw/lib/python3.8/site-packages (from anyio<5,>=3.4.0->starlette==0.22.0->fastapi==0.89.1) (3.4)
    Installing collected packages: fastapi
      Attempting uninstall: fastapi
        Found existing installation: fastapi 0.92.0
        Uninstalling fastapi-0.92.0:
          Successfully uninstalled fastapi-0.92.0
    Successfully installed fastapi-0.89.1
    wsw@wsw88:/home$ pip install starlette==0.22.0
    Looking in indexes: http://pypi.douban.com/simple
    Requirement already satisfied: starlette==0.22.0 in ./wsw/lib/python3.8/site-packages (0.22.0)
    Requirement already satisfied: typing-extensions>=3.10.0 in ./wsw/lib/python3.8/site-packages (from starlette==0.22.0) (4.5.0)
    Requirement already satisfied: anyio<5,>=3.4.0 in ./wsw/lib/python3.8/site-packages (from starlette==0.22.0) (3.6.2)
    Requirement already satisfied: sniffio>=1.1 in ./wsw/lib/python3.8/site-packages (from anyio<5,>=3.4.0->starlette==0.22.0) (1.3.0)
    Requirement already satisfied: idna>=2.8 in ./wsw/lib/python3.8/site-packages (from anyio<5,>=3.4.0->starlette==0.22.0) (3.4)