Updates contributors and example

This should really be two commits but it's late.

Updates contributors and people using Hamilton.

Updates the slack example giving it a README
and a notebook.

README.md

@@ -223,6 +223,13 @@ Hamilton is released under the [BSD 3-Clause Clear License](https://github.com/D
 * [KI-Insurance](https://www.ki-insurance.com/)
 * [Ascena Retail](https://www.ascena.com/)
 * [Opendoor](https://www.opendoor.com/)
+* [NaroHQ](https://www.narohq.com/)
+* [Rippling](https://www.rippling.com/)
+* [AB-InBev](https://www.ab-inbev.com/)
+* [EquipmentShare](https://www.equipmentshare.com/)
+* [Everstream.ai](https://www.everstream.ai/)
+* [Flectere](https://flectere.net/)
+* [F33.ai](https://f33.ai/)
 
 To add your company, make a pull request to add it here.
 
@@ -444,6 +451,10 @@ If you do not wish to participate, one can opt-out with one of the following met
 - Bryan Galindo (@bryangalindo)
 - Jordan Smith (@JoJo10Smith)
 - Roel Bertens (@roelbertens)
+- Swapnil Delwalkar (@swapdewalkar)
+- Fran Boon (@flavour)
+- Tom Barber (@buggtb)
+- Konstantin Tyapochkin (@tyapochkin)
 
 ## Bug Hunters/Special Mentions
 - Nils Olsson (@nilsso)
@@ -463,3 +474,5 @@ If you do not wish to participate, one can opt-out with one of the following met
 - Anup Joseph (@AnupJoseph)
 - Jan Hurst (@janhurst)
 - Flavia Santos (@flaviassantos)
+- Nicolas Huray (@nhuray)
+- Manabu Niseki (@ninoseki)

examples/slack/README.md

@@ -0,0 +1,6 @@
+# Slack notifier example
+
+This example demonstrates how to use the Slack notifier.
+
+Fill in the details in `slack_notification_example.py` and then
+run it `python slack_notification_example.py`. You should see a message in your Slack channel.

examples/slack/notebook.ipynb

@@ -0,0 +1,98 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "initial_id",
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "!pip install \"sf-hamilton[slack]\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "outputs": [],
+   "source": [
+    "import pandas as pd\n",
+    "\n",
+    "from hamilton import driver\n",
+    "from hamilton.plugins.h_slack import SlackNotifier\n",
+    "\n",
+    "# load magic\n",
+    "%load_ext hamilton.plugins.jupyter_magic"
+   ],
+   "metadata": {
+    "collapsed": false
+   },
+   "id": "e88039e484e64415"
+  },
+  {
+   "cell_type": "code",
+   "outputs": [],
+   "source": [
+    "%%cell_to_module -m example_module\n",
+    "def test_function() -> pd.DataFrame:\n",
+    "    raise Exception(\"test exception\")\n",
+    "    return pd.DataFrame({\"a\": [1, 2, 3], \"b\": [4, 5, 6]})"
+   ],
+   "metadata": {
+    "collapsed": false
+   },
+   "id": "444cc24511d338a3"
+  },
+  {
+   "cell_type": "code",
+   "outputs": [],
+   "source": [
+    "# SLACK DETAILS FOR YOU TO FILL IN\n",
+    "api_key = \"YOUR_API_KEY\"\n",
+    "channel = \"YOUR_CHANNEL\""
+   ],
+   "metadata": {
+    "collapsed": false
+   },
+   "id": "98b516f88f03981c"
+  },
+  {
+   "cell_type": "code",
+   "outputs": [],
+   "source": [
+    "dr = (\n",
+    "    driver.Builder()\n",
+    "    .with_modules(example_module)\n",
+    "    .with_adapters(SlackNotifier(api_key=api_key, channel=channel))\n",
+    "    .build()\n",
+    ")\n",
+    "print(dr.execute([\"test_function\"]))"
+   ],
+   "metadata": {
+    "collapsed": false
+   },
+   "id": "48fdfb26417eeb26"
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

examples/slack/requirements.txt

@@ -0,0 +1 @@
+sf-hamilton[slack]