双击打开ipynb文件

每日长点知识君 04-28 204

前言：

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因为ipynb文件是jupyter notebook的文件，每次打开总要先打开jupyter notebook，再更改路径，打开对应的ipynb文件，则很麻烦。

所以想用双击就直接打开ipynb文件。

双击自动打开文件

找到Jupyter Notebook的快捷方式，点击右键-属性-快捷方式-目标里，复制出来，如下图所示

    C:\ProgramData\Anaconda3\python.exe C:\ProgramData\Anaconda3\cwp.py C:\ProgramData\Anaconda3 C:\ProgramData\Anaconda3\python.exe C:\ProgramData\Anaconda3\Scripts\jupyter-notebook-script.py %USERPROFILE%

把该段文本复制到一个txt文本中，替换最后的 %USERPROFILE% 为 %1，注意保留空格。

    C:\ProgramData\Anaconda3\python.exe C:\ProgramData\Anaconda3\cwp.py C:\ProgramData\Anaconda3 C:\ProgramData\Anaconda3\python.exe C:\ProgramData\Anaconda3\Scripts\jupyter-notebook-script.py  %1

将该文本保存为open_ipynb.bat文件。

点击.ipynb文件右键-常规-打开方式，选择open_ipynb.bat文件。这样就可以直接双击自动打开ipynb文件了。

到这里就已经ok了。如果有报错的话，请看下面。

启动错误

按照上面修改.bat文件，双击之后，会跳出下面404:not Found错误，“You are requesting a page that does not exist!”

仔细排查原因，在Jupyter Notebook 启动在命令窗口下发现会显示错误:

     Error loading server extension jupyterlab        Traceback (most recent call last):          File "C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab\commands.py", line 321, in __init__            self._run(['node', 'node-version-check.js'], cwd=HERE, quiet=True)          File "C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab\commands.py", line 1165, in _run            proc = Process(cmd, **kwargs)          File "C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab\process.py", line 73, in __init__            self.proc = self._create_process(cwd=cwd, env=env)          File "C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab\process.py", line 131, in _create_process            cmd[0] = which(cmd[0], kwargs.get('env'))          File "C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab\jlpmapp.py", line 59, in which            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 "C:\ProgramData\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 1454, in init_server_extensions            func(self)          File "C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab\extension.py", line 111, in load_jupyter_server_extension            info = get_app_info(app_dir)          File "C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab\commands.py", line 244, in get_app_info            handler = _AppHandler(app_dir, logger)          File "C:\ProgramData\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.

原因：因为我使用的Anaconda3中jupyterlab 0.31.4版本存在错误，更新即可消除该错误。

解决方法:打开anaconda navigator，点击右上角，update Application

或者直接在命令行里输入直接升级jupyterlab