instagram_followers.py

"""
An example script which can be run locally to automatically update a
tracker logging number of Instagram followers
"""
import json
import re
import urllib2
import base64

# Your instagram username
instagram_username = ''
# Your Nach API key
nach_key = ''
# Your Nach tracker ID
nach_tracker = 0

def get_instagram_count():
    """Find the follower count via a regex query"""
    response = urllib2.urlopen('http://instagram.com/%s' % instagram_username).read()
    matchObj = re.match( r'.*"followed_by":(\d+),.*', response, re.S )
    if matchObj:
        count = matchObj.group(1)
        print 'Follower count: ' + count
        return count
    else:
        print "ERROR: No regex match"

def update_tracker(value):
    """POST the reading to Nach via the API"""
    url = 'https://nachapp.com/api/trackers/%s/measures' % nach_tracker
    print 'API request: ' + url
    
    # Create a POST request
    values = { 'value': value }
    req = urllib2.Request(url, json.dumps(values))
    
    # Add auth header
    authstring = base64.standard_b64encode('%s:' % nach_key)
    req.add_header('Authorization', 'Basic %s' % authstring)
    
    # Send to the server and print the response
    response = urllib2.urlopen(req)
    print 'Response: ' + response.read()
        
def main():    
    count = get_instagram_count()
    if count:
        update_tracker(count)

if __name__ == '__main__':
    main()