{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "# default_exp core"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# module name here\n",
    "\n",
    "> API details."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "#hide\n",
    "from nbdev.showdoc import *"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "#export\n",
    "import json,tweepy,hmac,hashlib\n",
    "\n",
    "from pdb import set_trace\n",
    "from http.server import HTTPServer, BaseHTTPRequestHandler\n",
    "from fastcore.imports import *\n",
    "from fastcore.script import *\n",
    "from configparser import ConfigParser"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [],
   "source": [
    "#export\n",
    "_cfg = ConfigParser(interpolation=None)\n",
    "_cfg.read(['twitter.ini'])\n",
    "_cfg = _cfg['DEFAULT']\n",
    "globals().update(**_cfg)\n",
    "\n",
    "_auth = tweepy.OAuthHandler(consumer_key, consumer_secret)\n",
    "_auth.set_access_token(access_token, access_token_secret)\n",
    "_api = tweepy.API(_auth)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [],
   "source": [
    "#export\n",
    "def tweet_text(payload):\n",
    "    \"Send a tweet announcing release based on `payload`\"\n",
    "    rel_json = payload['release']\n",
    "    url = rel_json['url']\n",
    "    owner,repo = re.findall(r'https://api.github.com/repos/([^/]+)/([^/]+)/', url)[0]\n",
    "    tweet_tmpl = \"\"\"New #{repo} release: v{tag_name}. {html_url}\n",
    "\n",
    "    {body}\"\"\"\n",
    "    res = tweet_tmpl.format(repo=repo, tag_name=rel_json['tag_name'], html_url=rel_json['html_url'], body=rel_json['body'])\n",
    "    if len(res)<=280: return res\n",
    "    return res[:279] + \"…\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [],
   "source": [
    "gh_secret = b'something'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [],
   "source": [
    "#export\n",
    "def check_secret(content, headers):\n",
    "    digest = hmac.new(gh_secret, content, hashlib.sha1).hexdigest()\n",
    "    assert f'sha1={digest}' == headers.get('X-Hub-Signature')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [],
   "source": [
    "#export\n",
    "class _RequestHandler(BaseHTTPRequestHandler):\n",
    "    def do_POST(self):\n",
    "        self.send_response(200)\n",
    "        self.end_headers()\n",
    "        content = self.rfile.read(int(self.headers.get('content-length')))\n",
    "        payload = json.loads(content.decode())\n",
    "        if payload['action']=='released':\n",
    "            check_secret(content, self.headers)\n",
    "            tweet = tweet_text(payload)\n",
    "            stat = _api.update_status(tweet)\n",
    "            print(stat.id)\n",
    "        self.wfile.write('ok'.encode(encoding='utf_8'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [],
   "source": [
    "#export\n",
    "@call_parse\n",
    "def run_server(hostname: Param(\"Host name or IP\"  , str)='localhost',\n",
    "               port:     Param(\"Port to listen on\", int)=8000):\n",
    "    \"Run a GitHub webhook server that tweets about new releases\"\n",
    "    print(f\"Listening on {hostname}:{port}\")\n",
    "    with HTTPServer((hostname, port), _RequestHandler) as httpd: httpd.serve_forever()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [],
   "source": [
    "# run_server()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "scrolled": false
   },
   "outputs": [],
   "source": [
    "#hide\n",
    "# with HTTPServer(server_address, RequestHandler) as httpd: httpd.handle_request()\n",
    "# rel = Path('release.json').read_text()\n",
    "# wh_json = json.loads(Path('ping.json').read_text())\n",
    "# _api.destroy_status(1311413699366678529);"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Export -"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Converted 00_core.ipynb.\n",
      "Converted index.ipynb.\n"
     ]
    }
   ],
   "source": [
    "#hide\n",
    "from nbdev.export import notebook2script\n",
    "notebook2script()"
   ]
  },
  {
   "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": "3.7.7"
  },
  "toc": {
   "base_numbering": 1,
   "nav_menu": {},
   "number_sections": false,
   "sideBar": true,
   "skip_h1_title": true,
   "title_cell": "Table of Contents",
   "title_sidebar": "Contents",
   "toc_cell": false,
   "toc_position": {},
   "toc_section_display": true,
   "toc_window_display": false
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}