弹出/扩展jupyter单元到新的浏览器窗口 [英] Pop-out / expand jupyter cell to new browser window

问题描述

我有一个看起来像这样的jupyter笔记本电脑电池:

I have a jupyter notebook cell that looks like this:

是否可以将其弹出/扩展到新的浏览器窗口(看不到内联输出)?

Is there any way to pop / expand out this to a new browser window (not see the output inline)?

基本上，我想从R/RStudio复制View()函数...这可能吗?

Basically, I want to replicate the View() function from R/RStudio... is this possible?

推荐答案

您可以使用Javascript打开由IPython.display中的HTML执行的新窗口.

You could use Javascript to open a new window, executed by HTML from IPython.display.

import pandas as pd
import numpy as np
df = pd.DataFrame(np.random.randn(6,4),columns=list('ABCD'))
# Show in Jupyter
df

from IPython.display import HTML
s  = '<script type="text/Javascript">'
s += 'var win = window.open("", "Title", "toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, width=780, height=200, top="+(screen.height-400)+", left="+(screen.width-840));'
s += 'win.document.body.innerHTML = \'' + df.to_html().replace("\n",'\\') + '\';'
s += '</script>'

# Show in new Window
HTML(s)

在这里，df.to_HTML()从包含许多换行符的数据框中创建一个HTML字符串.这些对于Javascript是有问题的. Javascript中的多行字符串在EOL处需要反斜杠，这就是python必须使用.replace()方法修改HTML字符串的原因.

Here, df.to_HTML() creates a HTML string from the data frame which contains lots of newlines. Those are problematic for Javascript. Multi-line strings in Javascript require a backslash at the EOL, that's why python has to modify the HTML string with the .replace() method.

JavaScript的.innerHTML(而不是document.write())真正的酷之处在于，您可以随时更新表，而无需创建新窗口:

What's really cool with JavaScript's .innerHTML (instead of document.write()) is that you can update your table any time without the need to create a new window:

df /= 2
s  = '<script type="text/Javascript">'
s += 'win.document.body.innerHTML = \'' + df.to_html().replace("\n",'\\') + '\';'
s += '</script>'
HTML(s)

这将在打开的窗口中对您的表立即生效.

This will have instant effect on your table in the opened window.

这是R中python的View()模拟器的简单建议:

Here is a simple suggestion of an View() emulator from R for python:

def View(df):
    css = """<style>
    table { border-collapse: collapse; border: 3px solid #eee; }
    table tr th:first-child { background-color: #eeeeee; color: #333; font-weight: bold }
    table thead th { background-color: #eee; color: #000; }
    tr, th, td { border: 1px solid #ccc; border-width: 1px 0 0 1px; border-collapse: collapse;
    padding: 3px; font-family: monospace; font-size: 10px }</style>
    """
    s  = '<script type="text/Javascript">'
    s += 'var win = window.open("", "Title", "toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, width=780, height=200, top="+(screen.height-400)+", left="+(screen.width-840));'
    s += 'win.document.body.innerHTML = \'' + (df.to_html() + css).replace("\n",'\\') + '\';'
    s += '</script>'

    return(HTML(s+css))

只需输入以下内容即可在jupyter中工作:

This works in jupyter simply by typing:

View(df)

作为一个漂亮的开头，它还使用一些CSS设置了打开的表格的样式，以使其看起来比RStudio更好和可比.

As a fancy topping, it also styles your opened table using some CSS, such that it looks much nicer and comparable to what you know from the RStudio.

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