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without using iSpyder DOS shell commands, how can an .ipynb (Jupyter Notebook) be opened directly into Spyder on Windows? Even the online Jupyter Notebook site prompts for a relative directory path where the file is stored.

• Why isn't there something that just loads the Notebook how it's supposed to look without typing a bunch of directory commands,
• and why does Spyder's RUN button become greyed out when it loads the .ipynb file?
• I have no idea what the .ipynb file format is compared to regular .py files

Opening lines of the .ipynb when loaded in Spyder are:

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "ExecuteTime": {

This does not look like python code whatsoever

Answers

You may check out https://github.com/spyder-ide/spyder-notebook

Once you install this, you can open native .ipynb files in spyder

From the website:

Spyder plugin to use Jupyter notebooks inside Spyder. Currently it supports basic functionality such as creating new notebooks, opening any notebook in your filesystem and saving notebooks at any location.

You can also use Spyder's file switcher to easily switch between notebooks and open an IPython console connected to the kernel of a notebook to inspect its variables in the Variable Explorer.