Run Go in Google Colab with Gophernotes

run_golang_in_colab_with_gophernote.ipynb

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    "colab": {
      "provenance": [],
      "collapsed_sections": [],
      "toc_visible": true,
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    "kernelspec": {
      "name": "gophernotes",
      "display_name": "Go"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/gist/kirisakow/16b77a236b9f7aca9d9801350a2ce1b1/run_golang_in_colab_with_gophernote.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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    },
    {
      "cell_type": "markdown",
      "source": [
        "# Run Go in Google Colab with Gophernotes"
      ],
      "metadata": {
        "id": "tnRm0YwmdLhl"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Important prerequisite 1 / 3\n",
        "\n",
        "Open your Colab Notebook with a text editor and make sure the `kernelspec` key is set to work with Go, like so:\n",
        "\n",
        "```json\n",
        "{\n",
        "  ⋮\n",
        "  \"kernelspec\": {\n",
        "    \"name\": \"gophernotes\",\n",
        "    \"display_name\": \"Go\"\n",
        "  }\n",
        "  ⋮\n",
        "}\n",
        "```"
      ],
      "metadata": {
        "id": "UMudsO4-dQ03"
      }
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "QVJoUDPtb9gX"
      },
      "source": [
        "## Important prerequisite 2 / 3\n",
        "\n",
        "Run the cell below to install the Gophernotes kernel into the global Jupyter kernels:"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "caT1iMfshw62"
      },
      "source": [
        "! add-apt-repository ppa:longsleep/golang-backports -y > /dev/null 2>&1\n",
        "! apt update > /dev/null 2>&1\n",
        "! apt install golang-go > /dev/null 2>&1\n",
        "! source <(go env)\n",
        "! go install github.com/gopherdata/gophernotes@latest > /dev/null 2>&1\n",
        "! cp ~/go/bin/gophernotes /usr/bin/\n",
        "path_to_gophernote_src_dir=\"~/go/pkg/mod/github.com/gopherdata/gophernotes*\"\n",
        "path_to_gophernote_kernel_target_dir=\"/usr/local/share/jupyter/kernels/gophernotes\"\n",
        "! [ ! -d \"$path_to_gophernote_kernel_target_dir\" ] && mkdir $path_to_gophernote_kernel_target_dir\n",
        "! [ -z \"$(ls -A $path_to_gophernote_kernel_target_dir)\" ] && cp $path_to_gophernote_src_dir/kernel/* $path_to_gophernote_kernel_target_dir"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Important prerequisite 3 / 3\n",
        "\n",
        "Reload the page with Google Colab for Go to activate."
      ],
      "metadata": {
        "id": "wyH-FiPgxfIL"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "Now you can work in Go:"
      ],
      "metadata": {
        "id": "5hDyl5WedYRK"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "package main\n",
        "\n",
        "import \"fmt\"\n",
        "\n",
        "func main() {\n",
        "    fmt.Println(\"hello world\")\n",
        "}\n",
        "\n",
        "main()"
      ],
      "metadata": {
        "id": "Tee_e8-oaK7e",
        "outputId": "12548d17-9e10-406c-f555-2309716a1f7b",
        "colab": {
          "base_uri": "https://localhost:8080/"
        }
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "hello world\n"
          ]
        }
      ]
    }
  ]
}