A Colab cell that will generate a nicely formatted PDF of a Colab notebook in your Google Drive.

colab_print_demo.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "provenance": []
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    },
    "language_info": {
      "name": "python"
    }
  },
  "cells": [
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "cellView": "form",
        "id": "srzJGrHNVHEC"
      },
      "outputs": [],
      "source": [
        "#EXPORT_EXCLUDE#\n",
        "\n",
        "#@title # Create a PDF\n",
        "\n",
        "#@markdown ## Click through any prompts that appear.\n",
        "\n",
        "\"\"\"\n",
        "Simply using File -> Print often gives poor formatting or cutoff graphs and code blocks.\n",
        "This cell will download a nicely formatted version instead.\n",
        "\"\"\"\n",
        "\n",
        "from google.colab import drive\n",
        "from pathlib import Path\n",
        "\n",
        "# only necessary if plotly graphs used\n",
        "import plotly.io as pio\n",
        "pio.renderers.default='notebook'\n",
        "\n",
        "# write changes then mount\n",
        "drive.flush_and_unmount()\n",
        "drive.mount(\"/content/drive\")\n",
        "\n",
        "#@markdown 1. Paste the path to the notebook you want a PDf of. You can use the Files menu on the left to copy the path (run this cell in order to mount). \n",
        "\n",
        "path = \"/content/drive/MyDrive/Colab Notebooks/colab_print_demo.ipynb\" #@param {type: \"string\"}\n",
        "\n",
        "#@markdown 2. Do you want to include code cells in the pdf?\n",
        "include_code = True #@param {type: \"boolean\"}\n",
        "\n",
        "#@markdown 3. Do you want to download the PDF to your computer when done? The PDF will also be placed next to the converted notebook file.\n",
        "download = True #@param {type: \"boolean\"}\n",
        "\n",
        "#@markdown 4. Click Run to generate a PDF. (this might take a while)\n",
        "\n",
        "path = Path(path)\n",
        "\n",
        "if not path.exists():\n",
        "  print(\"No file found at \", path)\n",
        "  raise FileNotFoundError()\n",
        "\n",
        "print(\"installing dependencies...\")\n",
        "\n",
        "# install dependencies... this will take a while\n",
        "!sudo apt -q install -y gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget &> /dev/null\n",
        "!python -m pip -qqq install -U notebook-as-pdf &> /dev/null\n",
        "!pip install -qqq nbconvert[webpdf] -U &> /dev/null\n",
        "!pyppeteer-install &> /dev/null\n",
        "!sudo apt -q install chromium-chromedriver &> /dev/null\n",
        "\n",
        "# credit to https://stackoverflow.com/questions/57217924/pyppeteer-errors-browsererror-browser-closed-unexpectedly\n",
        "if include_code:\n",
        "  !jupyter nbconvert --disable-chromium-sandbox --WebPDFExporter.disable_sandbox=True --RegexRemovePreprocessor.patterns=\"^#EXPORT_EXCLUDE#.*\" --to webpdf \"{path}\"\n",
        "else:\n",
        "  !jupyter nbconvert --disable-chromium-sandbox --WebPDFExporter.disable_sandbox=True --RegexRemovePreprocessor.patterns=\"^#EXPORT_EXCLUDE#.*\" --no-input --to webpdf \"{path}\"\n",
        "\n",
        "if download:\n",
        "  from google.colab import files\n",
        "  output = path.with_suffix('.pdf')\n",
        "  files.download(output)"
      ]
    }
  ]
}