Pythonista script to get GPS coordinates and text them via Launch Center Pro

gps.py

#! /usr/bin/env python
'''gps.py
A quick and dirty Pythonista script for texting your GPS location. Uses
Pythonista: http://n8h.me/1dntsEH
and 
Launch Center Pro: http://n8h.me/1fcRfrn

Recommended LCP URL action:
pythonista://{{gps}}?action=run
'''

import location
import time
import console
import datetime
import webbrowser
import urllib

console.clear()
console.show_activity()

# Start getting the location
location.start_updates()

for i in range(5):
    time.sleep(5)
    my_loc = location.get_location()
    acc = my_loc['horizontal_accuracy']

    # First run
    if i == 0:
        best_loc = my_loc
        best_acc = my_loc['horizontal_accuracy']

        # Setup the alert box
        title = 'Accuracy: {} meters.'.format(acc)
        msg = "Take more time to try to improve accuracy?"
        butt1 = "Good enough."
        butt2 = "Try harder (~25 secs)."
        answer = console.alert(title, msg, butt1, butt2)

        # If initial accuracy is good enough, give user the chance to break
        if answer == 1:
                break

        # If initial accuracy is not good enough, loop 4 more times and try
        # to improve.
        elif answer == 2:
            pass

    if acc < best_acc:
        best_loc = my_loc
        best_acc = my_loc['horizontal_accuracy']

    print('Best accuracy is now {} meters.'.format(best_acc))

location.stop_updates()

# example output of location.get_location()
# 'vertical_accuracy': 14.31443007336287
# 'horizontal_accuracy': 1414.0
# 'timestamp': 1408639887.267081
# 'altitude': 1514.9893798828125
# 'longitude': -146.64942423483025
# 'course': -1.0
# 'latitude': 39.10669415937833
# 'speed': -1.0

datestamp = datetime.datetime.fromtimestamp(best_loc['timestamp'])
time_str = datestamp.strftime('%Y-%m-%d %H:%M:%S')
lat = best_loc['latitude']
lon = best_loc['longitude']

output = ('My location as of {} was lat: {}, lon: {}, with an accuracy '
          'of about {} meters.'.format(time_str, lat, lon, best_acc))

quoted_output = urllib.quote(output)
cmd = 'launch://messaging?body={}'.format(quoted_output)
webbrowser.open(cmd)