python-jupyterlab-pygments/Example.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pygments import highlight\n",
    "from pygments.lexers import PythonLexer\n",
    "from pygments.formatters import HtmlFormatter\n",
    "from jupyterlab_pygments import JupyterStyle"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "class PythonCode:\n",
    "    def __init__(self, value):\n",
    "        self.value = value\n",
    "        \n",
    "    def _repr_html_(self, **kwargs):\n",
    "        formatter = HtmlFormatter(style=JupyterStyle)\n",
    "        html =  highlight(self.value, PythonLexer(), formatter)\n",
    "        css = formatter.get_style_defs('.highlight')\n",
    "        return f'<style>{css}</style><div class=\"highlight\">{html}</div>'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Rendering the previous cell in HTML with Pygments and JupyterStyle respects the JupyterLab theme"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "PythonCode(In[2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.3"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}