amenities-example.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import requests\n",
    "import json\n",
    "\n",
    "from collections import Counter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "def get_overpass_json(key_tags):\n",
    "    url = 'https://overpass-api.de/api/interpreter'\n",
    "    query = '[out:json];'\n",
    "    for key, tag in key_tags:\n",
    "        query += f'nwr[\"{key}\"=\"{tag}\"][\"amenity\"];'\n",
    "    query += 'out tags qt;'\n",
    "    r = requests.get(url, params={'data': query})\n",
    "    return r.json()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "j = get_overpass_json([('currency:XBT', 'yes')])\n",
    "\n",
    "# get all amenity tags\n",
    "amenities = [e['tags']['amenity'] for e in j['elements']]\n",
    "\n",
    "# count all elements\n",
    "counter = Counter(amenities)\n",
    "\n",
    "# sort by second key in reversed order\n",
    "sorted_counter = sorted(counter.items(), key=lambda x: x[1], reverse=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "                 atm  174\n",
      "                bank   90\n",
      "                 bar   16\n",
      "                cafe   14\n",
      "          restaurant   12\n",
      "            pharmacy   11\n",
      "    bureau_de_change   10\n",
      "           fast_food    5\n",
      "                fuel    3\n",
      "             dentist    3\n",
      "           ice_cream    2\n",
      "                 pub    2\n",
      "      driving_school    2\n",
      "      payment_centre    1\n",
      "     vending_machine    1\n",
      "    community_centre    1\n"
     ]
    }
   ],
   "source": [
    "# print one column with 20 characters and the second with 4 characters\n",
    "for entry in sorted_counter:\n",
    "    print(f\"{entry[0]: >20} {entry[1]: >4}\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2019-10-25T23:00:00Z\n",
      "                   amenity=atm  172.0\n",
      "                     remainder  111.0\n",
      "                  amenity=bank   91.0\n",
      "                   amenity=bar   16.0\n",
      "                  amenity=cafe   14.0\n",
      "            amenity=restaurant   11.0\n",
      "              amenity=pharmacy   11.0\n",
      "      amenity=bureau_de_change   10.0\n",
      "             amenity=fast_food    5.0\n",
      "                  amenity=fuel    3.0\n",
      "               amenity=dentist    3.0\n",
      "                   amenity=pub    2.0\n",
      "             amenity=ice_cream    2.0\n",
      "       amenity=vending_machine    1.0\n",
      "      amenity=community_centre    1.0\n",
      "        amenity=driving_school    1.0\n",
      "        amenity=payment_centre    1.0\n"
     ]
    }
   ],
   "source": [
    "# alternative method using ohsome API\n",
    "# get json with result inside, no processing needed, just printing\n",
    "j = requests.get(\"https://api.ohsome.org/v0.9/elements/count/groupBy/tag?keys=currency:XBT&values=yes&types=node,way,relation&bboxes=-180,-90,180,90&groupByKey=amenity\").json()\n",
    "\n",
    "# print timestamp of most recent data available at ohsome API\n",
    "print(j['groupByResult'][0]['result'][0]['timestamp'])\n",
    "\n",
    "# create list of results from json\n",
    "counter = [(e['groupByObject'], e['result'][0]['value']) for e in j['groupByResult']]\n",
    "\n",
    "# sort results\n",
    "sorted_counter = sorted(counter, key=lambda x: x[1], reverse=True)\n",
    "\n",
    "# print results\n",
    "for entry in sorted_counter:\n",
    "    print(f\"{entry[0]: >30} {entry[1]: >6}\")"
   ]
  }
 ],
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You might consider the following shorter overpass query:

[out:json];
nwr["currency:XBT"="yes"];
out tags qt;

You might consider the following shorter overpass query:

[out:json];
nwr["currency:XBT"="yes"];
out tags qt;

thx, will fix that