def get_postalcode(placename, err=0.5): # Error radius is 0.5 km
geo = GeoNames(GEONAMES_SERVER, GEONAMES_USERNAME)
response = geo.request('findNearbyPostalCodes', style='short', country='US', radius=err, placename=placename)
if response:
res = etree.parse(response)
postals = [elmt.text for elmt in res.xpath('/geonames/code/postalcode')]
if postals == []:
return 'No postal code can be found for a place'
return postals
else:
return 'No response from GeoNames'
def get_place_nearby(lat, lng, radius, num_rslt=10):
geo = GeoNames(GEONAMES_SERVER, GEONAMES_USERNAME)
response = geo.request('findNearbyPlaceName', style='short', lat=lat, lng=lng, maxRows=num_rslt, radius=radius)
if response:
res = etree.parse(response)
placenames = [elmt.text for elmt in res.xpath('/geonames/geoname/toponymName')]
if placenames == []:
return 'No nearby place can be found for the search term'
return placenames
else:
return 'No response from GeoNames'
def get_coordinate(name_code, err=0.5): # Error radius is 0.5 km
geo = GeoNames(GEONAMES_SERVER, GEONAMES_USERNAME)
try:
int(name_code)
response = geo.request('findNearbyPostalCodes', style='short', country='US', radius=err, postalcode=name_code)
except ValueError:
response = geo.request('findNearbyPostalCodes', style='short', country='US', radius=err, placename=name_code)
if response:
res = etree.parse(response)
lats = [float(elmt.text) for elmt in res.xpath('/geonames/code/lat')]
lngs = [float(elmt.text) for elmt in res.xpath('/geonames/code/lng')]
if lats == [] or lngs == []:
return 'No place can be found for the search term'
return zip(lats, lngs)
else:
return 'No response from GeoNames'