Nov 22, 2022

PIP-Talk - Week 47

PIP-Talk - Week 47!

Every week going forward I plan to write a little about interesting modules/libraries available for Python.

The topic for this week is: Geopy

If you looking for a module/library to locate the coordinates of addresses, cities, countries, and landmarks across the globe, you will find this piptalk especially interesting.

Background

Licence: MIT License (MIT)

Example code

Finding Geocode of an address

# Importing the Nominatim geocoder class
from geopy.geocoders import Nominatim

# address we need to geocode
loc = 'Fågelsången 3, Norrköping, Sweden'

# making an instance of Nominatim class
geolocator = Nominatim(user_agent="my_request")

# applying geocode method to get the location
location = geolocator.geocode(loc)

# printing address and coordinates
print(location.address)
print((location.latitude, location.longitude))

Output:

Fågelsången, Oxelbergen, Norrköping, Norrköpings kommun, Östergötlands län, 602 44, Sverige
(58.586072, 16.2131922)

Getting Address Information from longitude and latitude

In this example we will lookup a address from itś location.

from geopy.geocoders import Nominatim

geolocator = Nominatim(user_agent="my_request")
location = geolocator.reverse(('59.3190713', '18.0751146'))
print(location)

print(f'zipcode: {location.raw["address"]["postcode"]}')
print(f'suburb: {location.raw["address"]["suburb"]}')
print(f'municipality: {location.raw["address"]["municipality"]}')

Result:

>> 15, Katarinavägen, Södermalm, Södermalms stadsdelsområde, Stockholms kommun, Stockholms län, 104 65, Sverige
>>zipcode: 104 65
>>suburb: Södermalm
>>municipality: Stockholms kommun

Calculate distance

In this example we will estimate the distance between two addresses with the great circle navigation.

from geopy.distance import great_circle as GRC

Norrkoping = (58.586072, 16.2131922)
Stockholm = (59.3190713, 18.0751146)

print(f'The distance between Norrköping and Stockholm is: {GRC(Norrkoping,Stockholm)}')

Result:

>> The distance between Norrköping and Stockholm is: 134.3231410899114 km

Sources

Install

pip install geopy