distance.py

import sys
from geopy.geocoders import Nominatim
geolocator = Nominatim(user_agent="semi")
from geopy.distance import geodesic
def distance_calc():
	'''
	Calculate distance between two places
	'''
	loc_1, loc_2 = False, False

	while loc_1 == False or loc_2 == False:
		if loc_1 == False:
			print('Please provide location 1 info, type 1 to provide it in lat, long or 2 to provide the location name')
			if sys.version.startswith('3'):
				input_type = input('Input Type: 1 or 2? ')
			elif sys.version.startswith('2'):
				input_type = raw_input('Input Type: 1 or 2? ')

			if input_type == '1' or input_type == '2':
				if input_type == '1':
					if sys.version.startswith('3'):
						lat = input('Enter Latitude: ')
						longitude = input('Enter Longitude: ')
					elif sys.version.startswith('2'):
						lat = raw_input('Enter Latitude: ')
						longitude = raw_input('Enter Longitude: ')

					try:
						lat, longitude = float(lat), float(longitude)
						loc_1 = True
					except Exception as e:
						print('Converting input to valid lat-long failed')
						print(e)
						continue
				else:
					if sys.version.startswith('3'):
						location_name = input("Enter the Location's name: ")
					elif sys.version.startswith('2'):
						location_name = raw_input("Enter the location's name: ")

					location = geolocator.geocode(location_name)

					if type(location) == None.__class__:
						print('Location Not Found')
						continue
					else:
						print(location.address)
						lat, longitude = location.latitude, location.longitude
						loc_1 = True

			else:
				print('Invalid Input Type provided: {0}'.format(input_type))
				continue

		if loc_2 == False:
			print('Please provide location 2 info, type 1 to provide it in lat, long or 2 to provide the location name')
			if sys.version.startswith('3'):
				input_type = input('Input Type: 1 or 2? ')
			elif sys.version.startswith('2'):
				input_type = raw_input('Input Type: 1 or 2? ')

			if input_type == '1' or input_type == '2':
				if input_type == '1':
					if sys.version.startswith('3'):
						lat2 = input('Enter Latitude: ')
						longitude2 = input('Enter Longitude: ')
					elif sys.version.startswith('2'):
						lat2 = raw_input('Enter Latitude: ')
						longitude2 = raw_input('Enter Longitude: ')

					try:
						lat2, longitude2 = float(lat), float(longitude)
						loc_2 = True
					except Exception as e:
						print('Converting input to valid lat-long failed')
						print(e)
						continue
				else:
					if sys.version.startswith('3'):
						location_name2 = input("Enter the Location's name: ")
					elif sys.version.startswith('2'):
						location_name2 = raw_input("Enter the location's name: ")

					location2 = geolocator.geocode(location_name2)

					if type(location2) == None.__class__:
						print('Location Not Found')
						continue
					else:
						print(location2.address)
						lat2, longitude2 = location2.latitude, location2.longitude
						loc_2 = True

			else:
				print('Invalid Input Type provided: {0}'.format(input_type))
				continue

	get_type = False
	while get_type == False:
		if sys.version.startswith('3'):
			distance_type = input('Would you like the distance in KM or Miles? 1 or 2: ')
		elif sys.version.startswith('2'):
			distance_type = raw_input('Would you like the distance in KM or Miles? 1 or 2: ')

		if distance_type == '1' or distance_type == '2':
			get_type = True

	if get_type == '1':
		print( "{0} KM".format(round(geodesic((lat, longitude), (lat2, longitude2)).km, 2)) )
	else:
		print( "{0} Miles".format(round(geodesic((lat, longitude), (lat2, longitude2)).miles, 2)) )