label_cleanup.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from google_auth_oauthlib.flow import Flow\n",
    "from concurrent.futures import ThreadPoolExecutor\n",
    "from IPython.display import display, display_html\n",
    "import ipywidgets\n",
    "\n",
    "# Create the flow using the client secrets file from\n",
    "# https://console.cloud.google.com/apis/credentials\n",
    "flow = Flow.from_client_secrets_file(\n",
    "    'credentials.json',\n",
    "    scopes=['https://www.googleapis.com/auth/gmail.labels'],\n",
    "    redirect_uri='urn:ietf:wg:oauth:2.0:oob')\n",
    "\n",
    "# Tell the user to go to the authorization URL.\n",
    "url, _ = flow.authorization_url(prompt='consent')\n",
    "display_html(f'<a href=\"{url}\" target=\"_blank\" rel=\"noopener\">Click here</a><br />', raw=True)\n",
    "display_html('<p>Paste code here:</p>', raw=True)\n",
    "w = ipywidgets.Text()\n",
    "display(w)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "flow.fetch_token(code=w.value)\n",
    "session = flow.authorized_session()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "response = session.get(\n",
    "    \"https://www.googleapis.com/gmail/v1/users/me/labels\",\n",
    ")\n",
    "\n",
    "labels = response.json()[\"labels\"]\n",
    "sorted(l[\"name\"] for l in labels)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "keep = []  # names of any labels to retain\n",
    "kill_list = [l[\"id\"] for l in labels if l[\"type\"] == \"user\" and l[\"name\"] not in keep]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "def needful(lid):\n",
    "    print(lid)\n",
    "    r = session.delete(\"https://www.googleapis.com/gmail/v1/users/me/labels/\" + lid)\n",
    "    r.raise_for_status()\n",
    "\n",
    "with ThreadPoolExecutor(max_workers=16) as e:\n",
    "    for lid in kill_list:\n",
    "        e.submit(needful, lid)"
   ]
  }
 ],
 "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": "3.7.1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}