三步解決python PermissionError: [WinError 5]拒絕訪問的情況
問題描述:
1.當你解除安裝python庫的時候,如:pip uninstall pandas
2.當你想要更新python庫的時候,如:pip install --upgrade pandas
等等… 就會出現PermissionError: [WinError 5] 問題
廢話不多說,分三步完全解決該問題:
第一步:
關閉跟python相關的所有程式,如jupyter,pycharm,Anaconda等等,這一步非常重要!!!
好了,第一步完成下面開始常規操作的兩步:
第二步:
賦予使用者對python的“完全控制”的許可權,步驟如下:
找到按照python的位置,本文用的是Anaconda,安裝在D盤,位置為:D:\Anaconda3。找到python->右鍵->屬性->安全->點選“組或使用者名稱”中的Users->編輯->點選點選“組或使用者名稱”中的Users->把“完全控制”打鉤->應用->OK
第三步:
執行完第二步一般就能解決問題。如果還沒解決問題的話,請執行第三部,找到你安裝python的資料夾,本人用的是Anaconda3,那麼就直接對該資料夾(本人安裝位置為D:\Anaconda3),右鍵屬性,按照第二步的方法執行一遍就OK了!
當然,如果你用的pycharm或其他軟體安裝的python,那麼就找到你安裝位置的那個資料夾,同理右鍵->屬性,執行第二步的方法, 搞定!
**總結:**一定要關閉所有跟python相關的程式!
補充知識:jupyter notebook_啟動出錯_ValueError: Please install nodejs 5+ and npm before continuing installation.
錯誤描述:
在啟動jupyter notebook的時候雖然能進入Home,但是後臺還是報錯,如下:
[W 11:03:21.011 NotebookApp] Error loading server extension jupyterlab Traceback (most recent call last): File "E:\Anaconda3\lib\site-packages\jupyterlab\commands.py",line 321,in __init__ self._run(['node','node-version-check.js'],cwd=HERE,quiet=True) File "E:\Anaconda3\lib\site-packages\jupyterlab\commands.py",line 1165,i n _run proc = Process(cmd,**kwargs) File "E:\Anaconda3\lib\site-packages\jupyterlab\process.py",line 73,in _ _init__ self.proc = self._create_process(cwd=cwd,env=env) File "E:\Anaconda3\lib\site-packages\jupyterlab\process.py",line 131,in _create_process cmd[0] = which(cmd[0],kwargs.get('env')) File "E:\Anaconda3\lib\site-packages\jupyterlab\jlpmapp.py",line 59,in w hich raise ValueError(msg) ValueError: Please install nodejs 5+ and npm before continuing installation. nodejs may be installed using conda or directly from the nodejs website. During handling of the above exception,another exception occurred: Traceback (most recent call last): File "E:\Anaconda3\lib\site-packages\notebook\notebookapp.py",line 1454,in init_server_extensions func(self) File "E:\Anaconda3\lib\site-packages\jupyterlab\extension.py",line 111,i n load_jupyter_server_extension info = get_app_info(app_dir) File "E:\Anaconda3\lib\site-packages\jupyterlab\commands.py",line 244,in get_app_info handler = _AppHandler(app_dir,logger) File "E:\Anaconda3\lib\site-packages\jupyterlab\commands.py",line 324,in __init__ raise ValueError(msg) ValueError: Please install nodejs 5+ and npm before continuing installation. nodejs may be installed using conda or directly from the nodejs website. [I 11:03:21.336 NotebookApp] Serving notebooks from local directory: C:\Users\Ad ministrator\Desktop\shuju [I 11:03:21.338 NotebookApp] 0 active kernels [I 11:03:21.339 NotebookApp] The Jupyter Notebook is running at: [I 11:03:21.340 NotebookApp] http://localhost:8888/?token=14172d7abed02b6a0b816a 51fa29f6b44929d2f96b8a1b7f [I 11:03:21.342 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). [C 11:03:21.350 NotebookApp] Copy/paste this URL into your browser when you connect for the first time,to login with a token: http://localhost:8888/?token=14172d7abed02b6a0b816a51fa29f6b44929d2f96b8 a1b7f [I 11:03:21.581 NotebookApp] Accepting one-time-token-authenticated connection f rom ::1 [I 11:15:21.364 NotebookApp] Interrupted... [I 11:15:21.366 NotebookApp] Shutting down 0 kernels
解決方案:
因為我的電腦上安裝了Anaconda,所以我開啟Anacoda後
等待系統安裝,完成後在cmd命令列中再次輸入jupyter notebook,問題解決
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