some location logger

logger.py

import pymongo
import json
import os
from datetime import datetime
from itertools import chain
from pprint import pprint

from flask import Flask, session, request, abort, make_response

app = Flask(__name__)
connection  = pymongo.MongoClient("localhost", 27017)

# database 
lazooz_db = connection.lazooz

locations = lazooz_db.locations
users = lazooz_db.users
lazooz_log = lazooz_db.log

def log(type, what):
	lazooz_log.insert({'type': type, 'what': what, 'timestamp': datetime.now()})
	print("{timestamp} {type}: {what}".format(timestamp=datetime.now(), type=type, what=what))

@app.route('/register')
def register():
	# decipher post data
	public_key = request.args['public_key']
	print("/register with public_key={public_key}".format(public_key=public_key))

	# validate public key
	if public_key is None:
		# bad request
		abort(401);

	#create session
	session['public_key'] = public_key
	log('session-created', 'public key: {}'.format(session['public_key']))

	if not users.find({"public_key": session['public_key']}):
		users.insert({"public_key": session['public_key'], "createdAt": datetime.now()})
		log('user-created', 'public key: {}'.format(session['public_key']))
	return ''

@app.route('/location', methods=['POST'])
def post_location():
	print(request.cookies)
	print(session)
	if session['public_key'] is None:
		return 'renew-session'

	posted_locations = json.loads(request.data.decode())
	print(posted_locations)
	for location in posted_locations:
		location.public_key = session['public_key']
		locations.save(location)
	return None


if __name__ == '__main__':
	app.secret_key = '\x17\x96e\x94]\xa0\xb8\x1e\x8b\xee\xdd\xe9\x91^\x9c\xda\x94\t\xe8S\xa1Oe_' #os.urandom(24)
	app.run(host='0.0.0.0', debug=True)