Argparse in Jupyter Notebook

argparse_in_jupyter.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Using argparse in Jupyter\n",
    "Multiple scenarious possible, e.g. when obtaining cmd line script and adopting to Jupyter<br>\n",
    "Or developing in Jupyter with intention to use in cmd line script later<br>\n",
    "Or simply for wanting to use argparse in Jupyter.<br>\n",
    "Or whatever else :D"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import argparse"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "parser = argparse.ArgumentParser()\n",
    "\n",
    "parser.add_argument(\"--input\", type=str, help=\"input helper\", default='sometext')\n",
    "parser.add_argument(\"--number\", type=int, help=\"some number\", default=600)\n",
    "args = parser.parse_args('')  # important to put '' in Jupyter otherwise it will complain"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "#config = dict()\n",
    "#for arg in vars(args):\n",
    "#    config[arg] = getattr(args, arg)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "# much simpler!\n",
    "config = vars(args)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Args input & number: sometext   600\n"
     ]
    }
   ],
   "source": [
    "print(\"Args input & number:\", config['input'], \" \", config['number'])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "--input has changed:  a new input text!!\n"
     ]
    }
   ],
   "source": [
    "config['input'] = \"a new input text!!\"\n",
    "print(\"--input has changed: \", config['input'])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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