kasper/seisobs-webapp
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make reverse geolocation lookup more stableand removed unused modules

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This commit is contained in:
Kasper D. Fischer 2021-10-16 15:53:15 +02:00
parent 9faf11d0df
commit 9167804f1e
1 changed files with 19 additions and 48 deletions
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67
scripts/mkGeolocationTable.py
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@ -39,12 +39,13 @@ def mkGeolocationTable(file=''):
import xml.etree.ElementTree as ET
from sys import stdin
import warnings
from time import sleep
from geopy.geocoders import Photon
import urllib2 as URL
from geopy.extra.rate_limiter import RateLimiter
from geopy.exc import GeocoderServiceError
import json as JSON
# constants
url = 'https://photon.komoot.io/reverse?lon={lng:.3f}&lat={lat:.3f}'
namespaces = {'sc3': 'http://geofon.gfz-potsdam.de/ns/seiscomp3-schema/0.7',
'qml': 'http://quakeml.org/xmlns/bed/1.2'}
@ -66,12 +67,13 @@ def mkGeolocationTable(file=''):
# parse event.xml
DOM = ET.parse(stdin).getroot()
geolocator = Photon()
reverse_geolocate = RateLimiter(geolocator.reverse, min_delay_seconds=1)
# 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
lat = float(event.find('./qml:origin/qml:latitude/qml:value', namespaces).text)
lng = float(event.find('./qml:origin/qml:longitude/qml:value', namespaces).text)
evaluationMode = event.find('./qml:origin/qml:evaluationMode', namespaces).text
if publicID in geolocationTable:
@ -80,60 +82,29 @@ def mkGeolocationTable(file=''):
warnings.warn('Skipping automatic event %s' %(publicID))
else:
try:
location = geolocator.reverse("{lat}, {lng}".format(lat=lat, lng=lng))
except:
locations = reverse_geolocate("{lat:.3f}, {lng:.3f}".format(lat=lat, lng=lng),exactly_one=False,limit=5)
except GeocoderServiceError:
warnings.warn('Reverse Geolocation failed. Skipping event.')
continue
place = []
try:
place = location.raw['properties']['city']
except KeyError:
for location in locations:
try:
place = location.raw['properties']['town']
place = location.raw['properties']['city']
except KeyError:
try:
place = location.raw['properties']['village']
place = location.raw['properties']['town']
except KeyError:
try:
place = location.raw['properties']['county']
place = location.raw['properties']['village']
except KeyError:
warnings.warn('Could not extract city for event {0} at {1} N / {2} E (URL: {3})'.format(publicID, lat, lng, url))
geolocationTable[publicID] = place
sleep(1.1)
'''
#warnings.warn('Processing event %s' %publicID)
# send and evaluate nominatim request
url = 'https://open.mapquestapi.com/nominatim/v1/reverse.php?key=oE512xGQxeH1n2cueacJ6xzRv7qFlCib&lat={0}&lon={1}&zoom=10&format=json'.format(lat, lng)
response = URL.urlopen(url)
if ( response.msg == 'OK' ):
data = JSON.loads(response.read())
city = []
try:
try:
city = data['address']['city']
except:
warnings.warn('Request {3} for event {0} at {1} N / {2} E did not provide city attribute\n\t(Response: {4})'.format(publicID, lat, lng, url, data))
try:
city = data['address']['town']
warnings.warn('Using attribute town ({1}) for event {0}'.format(publicID, city))
except:
try:
city = data['address']['county']
warnings.warn('Using attribute county ({1}) for event {0}'.format(publicID, city))
except:
warnings.warn('Skipping event')
continue
countryCode = data['address']['country_code'].upper()
if ( countryCode == 'DE' ):
geolocationTable[publicID] = city.encode('utf-8')
else:
geolocationTable[publicID] = '{0} ({1})'.format(city.encode('utf-8'), countryCode)
except:
warnings.warn('Could not extract city for event {0} at {1} N / {2} E (URL: {3})'.format(publicID, lat, lng, url))
else:
warnings.warn('Request {0} failed'.format(url))
'''
place = location.raw['properties']['county']
except KeyError:
pass
if not place:
warnings.warn('Could not extract city for event {id} at {lat:.3f} N / {lng:.3f} E (Service: {url})'.format(id=publicID, lat=lat, lng=lng, url=url.format(lat=lat,lng=lng)))
geolocationTable[publicID] = place
# dump json
print('var geolocationTable = {0};'.format(JSON.dumps(geolocationTable, sort_keys=True)))