双击打开ipynb文件

作者: baixiao 分类: python,教程 发布时间: 2019-09-16 14:58

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。

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

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

pip install --upgrade jupyterlab

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