我正在考虑使用*。Ipynb文件作为真相的来源,并以编程方式将它们“编译”为.py文件,用于计划的作业/任务。

我所理解的做到这一点的唯一方法是通过GUI。有没有办法通过命令行来实现?


当前回答

用于转换所有*。Ipynb将当前目录下的文件递归格式化为python脚本:

for i in *.ipynb **/*.ipynb; do 
    echo "$i"
    jupyter nbconvert  "$i" "$i"
done

其他回答

我知道这是一个老话题了。我也遇到过同样的问题,想通过命令行将.pynb文件转换为.py文件。

我的搜索把我带到了ipynb-py-convert

通过以下步骤,我能够得到.py文件

安装pip Install ipynb-py-convert 通过命令提示符进入ipynb文件所在目录 输入命令

ipynb-py-convert你的文件名。ipynb YourFilename.py

如:。ipynb-py-convert getting-started-with-kaggle-titanic-problem。ipynb getting-started-with-kaggle-titanic-problem.py

上面的命令将创建一个名为“YourFileName.py”的python脚本,根据我们的示例,它将创建一个“getting-start -with-kaggle-titanic-problem.py”文件

使用nbconvert 6.07和jupyter client 6.1.12:

转换jupyter笔记本到python脚本

$ jupyter nbconvert mynotebook.ipynb --to python

转换jupyter笔记本到python脚本指定输出文件名

$ jupyter nbconvert mynotebook.ipnb --to python --output myscript.py

没有文件/目录错误

在我的mint [ubuntu]系统上,尽管已经安装了jupyter,笔记本电脑也可以工作,但jupyter nbconvert——to脚本给出了错误,没有文件/目录,直到我做了一个单独的

sudo apt-get install jupyter-nbconvert

然后一切都很顺利。我只是想添加这个,以防有人碰到同样的错误(对我来说,这是令人困惑的,因为我认为没有文件错误指向笔记本,它肯定在本地目录中,我花了一段时间才意识到子命令没有安装)。

我遇到了这个问题,并试图在网上找到解决方案。虽然我找到了一些解决方案,但它们仍然存在一些问题,例如,当你从仪表板启动一个新笔记本时,烦人的Untitled.txt自动创建。

所以最终我写出了自己的解决方案:

import io
import os
import re
from nbconvert.exporters.script import ScriptExporter
from notebook.utils import to_api_path


def script_post_save(model, os_path, contents_manager, **kwargs):
    """Save a copy of notebook to the corresponding language source script.

    For example, when you save a `foo.ipynb` file, a corresponding `foo.py`
    python script will also be saved in the same directory.

    However, existing config files I found online (including the one written in
    the official documentation), will also create an `Untitile.txt` file when
    you create a new notebook, even if you have not pressed the "save" button.
    This is annoying because we usually will rename the notebook with a more
    meaningful name later, and now we have to rename the generated script file,
    too!

    Therefore we make a change here to filter out the newly created notebooks
    by checking their names. For a notebook which has not been given a name,
    i.e., its name is `Untitled.*`, the corresponding source script will not be
    saved. Note that the behavior also applies even if you manually save an
    "Untitled" notebook. The rationale is that we usually do not want to save
    scripts with the useless "Untitled" names.
    """
    # only process for notebooks
    if model["type"] != "notebook":
        return

    script_exporter = ScriptExporter(parent=contents_manager)
    base, __ = os.path.splitext(os_path)

    # do nothing if the notebook name ends with `Untitled[0-9]*`
    regex = re.compile(r"Untitled[0-9]*$")
    if regex.search(base):
        return

    script, resources = script_exporter.from_filename(os_path)
    script_fname = base + resources.get('output_extension', '.txt')

    log = contents_manager.log
    log.info("Saving script at /%s",
             to_api_path(script_fname, contents_manager.root_dir))

    with io.open(script_fname, "w", encoding="utf-8") as f:
        f.write(script)

c.FileContentsManager.post_save_hook = script_post_save

要使用这个脚本,你可以将它添加到~/.jupyter/jupyter_notebook_config.py:)

请注意,您可能需要重新启动jupyter笔记本/实验室才能工作。

遵循前面的例子,但是使用了新的nbformat lib版本:

import nbformat
from nbconvert import PythonExporter

def convertNotebook(notebookPath, modulePath):

  with open(notebookPath) as fh:
    nb = nbformat.reads(fh.read(), nbformat.NO_CONVERT)

  exporter = PythonExporter()
  source, meta = exporter.from_notebook_node(nb)

  with open(modulePath, 'w+') as fh:
    fh.writelines(source.encode('utf-8'))