lista_chacras.py

#!/usr/bin/python3

import requests
import re
import json

query = """
[out:json];
area
  ["name"="Posadas"]["is_in:country_code"="AR"][admin_level=8];

relation(area)[boundary=cadastral];

out;
"""
total_chacras=260
per_row=20

def extract_info(relation):
    m = re.match(r'^Chacra (\d+)$', relation['tags']['name'])
    num = int(m.group(1))

    return {
        'name': relation['tags']['name'],
        'num_chacra': num,
        'relation_id': relation['id']
    }


if False:
    sess = requests.session()
    r = sess.post("http://overpass-api.de/api/interpreter", data=query)

    with open("result.json", "wb") as f:
        f.write(r.content)

    result = r.json()
else:
    result = json.load(open("result.json", "r"))

chacras = {c['num_chacra']: c for c in (extract_info(rel) for rel in result['elements'])}

for num in range(1, total_chacras+1):
    if num % per_row == 1:
        print('|- align=center style=";border:1;padding:0cm;"')

    if num in chacras:
        chacra = chacras[num]
        print("| '''[http://www.openstreetmap.org/relation/{} {}]".format(chacra['relation_id'], num))
    else:
        print("""| align=center style="background-color:#434343;border:none;padding:0cm;" | '''{}'''""".format(num))