62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
|
#! /usr/bin/env python
|
||
|
|
# -*- coding: utf-8 -*-
|
||
|
|
# $Id$
|
||
|
|
|
||
|
|
'''
|
||
|
|
Script to lookup city names of events with Nominatim service
|
||
|
|
|
||
|
|
The input should be an valid quakeML file passed to stdin.
|
||
|
|
The output will will be a javascript structure to be included in the
|
||
|
|
SeisObs map service.
|
||
|
|
|
||
|
|
the script should be updated regulary keep the total number of all
|
||
|
|
AJAX calls to the Nominatim service small
|
||
|
|
'''
|
||
|
|
|
||
|
|
# imports
|
||
|
|
try:
|
||
|
|
import xml.etree.cElementTree as ET
|
||
|
|
except ImportError:
|
||
|
|
import xml.etree.ElementTree as ET
|
||
|
|
from sys import stdin
|
||
|
|
import urllib2 as URL
|
||
|
|
import json as JSON
|
||
|
|
|
||
|
|
# constants
|
||
|
|
namespaces = {'sc3': 'http://geofon.gfz-potsdam.de/ns/seiscomp3-schema/0.7',
|
||
|
|
'qml': 'http://quakeml.org/xmlns/bed/1.2'}
|
||
|
|
|
||
|
|
# initialise variables
|
||
|
|
geolocationTable = {};
|
||
|
|
|
||
|
|
# parse event.xml
|
||
|
|
DOM = ET.parse(stdin).getroot()
|
||
|
|
#DOM = ET.parse('../www/event.xml').getroot()
|
||
|
|
|
||
|
|
# iterate over all events
|
||
|
|
for event in DOM.iterfind('qml:eventParameters/qml:event', namespaces):
|
||
|
|
publicID = event.attrib['publicID'].split('/')[2]
|
||
|
|
lat = event.find('./qml:origin/qml:latitude/qml:value', namespaces).text
|
||
|
|
lng = event.find('./qml:origin/qml:longitude/qml:value', namespaces).text
|
||
|
|
url = 'https://open.mapquestapi.com/nominatim/v1/reverse.php?lat={0}&lon={1}&zoom=10&format=json'.format(lat, lng)
|
||
|
|
# send and evaluate nominatim request
|
||
|
|
response = URL.urlopen(url)
|
||
|
|
if ( response.msg == 'OK' ):
|
||
|
|
data = JSON.loads(response.read())
|
||
|
|
try:
|
||
|
|
city = data['address']['city']
|
||
|
|
country = data['address']['country']
|
||
|
|
countryCode = data['address']['country_code'].upper()
|
||
|
|
value = city
|
||
|
|
if ( countryCode != 'DE' ):
|
||
|
|
value = '{0} ({1})'.format(value, countryCode)
|
||
|
|
geolocationTable[publicID] = value
|
||
|
|
except:
|
||
|
|
print 'Could not etract city for event {0}'.format(publicID)
|
||
|
|
else:
|
||
|
|
print 'Request {0} failed'.format(url)
|
||
|
|
# dump json
|
||
|
|
print 'var geolocationTable = '+JSON.dumps(geolocationTable)
|
||
|
|
|
||
|
|
|