在终端 MacOS 中找不到 jupyter 命令

Question

出于某种原因，当我 pip3 所有东西时，它都在这个 PATH 下/Users/XXX/Library/Python/3.8/bin 与我的笔记本相同。

所以我打开了我的 vscode 并转到.zshrc并添加export PATH=$PATH:/Users/XXX/Library/Python/3.8/bin到我的路径中。

我去 jupyter notebook我得到的终端zsh: /Users/XXX/Library/Python/3.8/bin/jupyter: bad interpreter: /usr/local/bin/python3: no such file or directory

然后我返回.zshrc并将路径更改为export PATH=$PATH:/Users/XXX/Library/Python/3.8/bin/jupyter-notebook并添加到路径中，它得到了zsh: command not found: jupyter

我拒绝使用 conda ......没有特别的原因。

我接下来该怎么做？

更新

我想解决上述问题的实际原因是我的 jupyter 内核在我的 VS 代码中运行良好，但无法转换为 HTML。这就是为什么我认为安装基于 Web 的 Jupyter Notebook 可以帮助我解决这个问题。显然，它没有。当我尝试在基于网络的笔记本中转换为 HTML 时，它给了我500 Internal Error.

我也尝试过这样的事情python3 -m jupyter nbconvert --to html notebook.ipynb ，但出现以下错误：

Traceback (most recent call last):
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/traitlets/traitlets.py", line 528, in get
    value = obj._trait_values[self.name]
KeyError: 'template_paths'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/zhengyangzhang/Library/Python/3.8/bin/jupyter-nbconvert", line 8, in <module>
    sys.exit(main())
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/jupyter_core/application.py", line 270, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/traitlets/config/application.py", line 664, in launch_instance
    app.start()
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/nbconvertapp.py", line 350, in start
    self.convert_notebooks()
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/nbconvertapp.py", line 518, in convert_notebooks
    cls = get_exporter(self.export_format)
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/exporters/base.py", line 102, in get_exporter
    if getattr(exporter(config=config), 'enabled', True):
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/exporters/templateexporter.py", line 325, in __init__
    super().__init__(config=config, **kw)
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/exporters/exporter.py", line 114, in __init__
    self._init_preprocessors()
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/exporters/templateexporter.py", line 491, in _init_preprocessors
    conf = self._get_conf()
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/exporters/templateexporter.py", line 507, in _get_conf
    for path in map(Path, self.template_paths):
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/traitlets/traitlets.py", line 556, in __get__
    return self.get(obj, cls)
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/traitlets/traitlets.py", line 535, in get
    value = self._validate(obj, dynamic_default())
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/exporters/templateexporter.py", line 518, in _template_paths
    template_names = self.get_template_names()
  File "/Users/zhengyangzhang/Library/Python/3.8/lib/python/site-packages/nbconvert/exporters/templateexporter.py", line 601, in get_template_names
    raise ValueError('No template sub-directory with name %r found in the following paths:\n\t%s' % (base_template, paths))
ValueError: No template sub-directory with name 'lab' found in the following paths:
    /Users/zhengyangzhang/Library/Jupyter
    /Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/share/jupyter
    /usr/local/share/jupyter
    /usr/share/jupyter

有人可以再看一下，看看这里有什么问题吗？

Answer 1

好的，有些事情需要注意。首先，这是我在 OSX 上的路径（bash但上次我检查的zsh是高度兼容的）：

showpath ()
{
    IFS=':' read -a array <<< "$PATH";
    for index in "${!array[@]}";
    do
        echo "$index ${array[index]}";
    done
}

$ showpath 
(some stuff removed)
1 /opt/local/bin   I use macports, this is where MY Python is
2 /usr/local/bin   and also brew, probably where your Python is
3 /usr/bin
4 /bin
5 /usr/sbin
6 /sbin
8 /opt/local/sbin
10 /Users/xxx/bin
11 /Users/xxx/Library/Python/3.8/bin   this also needs to be on your path

好的，现在，停用我的 virtualenv 后，我看到的是：

$ which python3.8
/opt/local/bin/python3.8  # you'll be in /usr/local/bin if using brew
which pip3
/Users/xxx/Library/Python/3.8/bin/pip3

如果我ls | egrep 'jupyter|pip3'进去/Users/xxx/Library/Python/3.8/bin我得到：

jupyter
jupyter-bundlerextension
jupyter-console
jupyter-kernel
jupyter-kernelspec
jupyter-migrate
jupyter-nbconvert
jupyter-nbextension
jupyter-notebook
jupyter-qtconsole
jupyter-run
jupyter-serverextension
jupyter-troubleshoot
jupyter-trust
pip3
pip3.8

因此，基本上，如果您可以从 shell 中看到，您的路径也pip3应该有效。jupyter

现在，如果您正在使用brew，那就/usr/local/bin/python3有用了。而且这应该已经在您的路径上了，由 提供brew。我猜你那里有一个python3.8条目，但没有python3。

建议：

也许你应该尝试ln -s python3.8 python3在该目录中通过符号链接，这将使 jupyter 看到python3它想要的普通旧内容。您可能必须sudo使该链接正常工作（如果是这样，请确保您的用户对该链接具有适当的权限）。

另外，从普通的旧 Python 角度来看事情：

>>> import sys
>>> for v in sys.path: print(v)
/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python38.zip
/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8
/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/lib-dynload

 this is a deeper-level sibling of where the `bin` for Python keeps the 
executables like pip3 and jupyter
/Users/xxx/Library/Python/3.8/lib/python/site-packages  


/opt/local/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-package

另外，还有其他东西要看。还记得吗which jupyter？

让我们看看它说什么，主要是看它的内容。

$ pwd
/Users/xxx/Library/Python/3.8/bin
$ cat jupyter
#!/opt/local/bin/python3.8   that's mine, but guessing 
                            #yours says `/usr/local/bin/python3`


# -*- coding: utf-8 -*-
import re
import sys
from jupyter_core.command import main
if __name__ == '__main__':
    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    sys.exit(main())