server.py

#!/usr/bin/env python

import ee
import webapp2
import jinja2
import os
import json

# Authenticate with Earth Engine
EE_ACCOUNT = 'ecodash-beta@appspot.gserviceaccount.com'
EE_PRIVATE_KEY_FILE = 'privatekey.pem'
EE_CREDENTIALS = ee.ServiceAccountCredentials(EE_ACCOUNT, EE_PRIVATE_KEY_FILE)
ee.Initialize(EE_CREDENTIALS)

JINJA2_ENVIRONMENT = jinja2.Environment(
    loader = jinja2.FileSystemLoader(os.path.dirname(__file__)),
    autoescape = True,
    extensions = ['jinja2.ext.autoescape'])

class MainHandler(webapp2.RequestHandler):
    def get(self):
        template_values = {
            'title': 'Hello from Python!'
        }
        template = JINJA2_ENVIRONMENT.get_template('index.html')
        self.response.out.write(template.render(template_values))

class GetMapHandler(webapp2.RequestHandler):
    def get(self):

        start_date = '2000-01-01'
        end_date = '2000-12-31'

        collection = ee.ImageCollection('MODIS/MYD13A1')
        reference = collection.filterDate(start_date,end_date).sort('system:time_start').select('EVI')
        mymean = ee.Image(reference.mean())

        countries = ee.FeatureCollection('ft:1tdSwUL7MVpOauSgRzqVTOwdfy17KDbw-1d9omPw')
        country_names = ['Myanmar (Burma)','Thailand','Laos','Vietnam','Cambodia']
        mekongCountries = countries.filter(ee.Filter.inList('Country', country_names))

        fit = mymean.clip(mekongCountries)
        mapid = fit.getMapId({
            'min': '-400',
            'max': '400',
            'bands': ' EVI_mean',
            'palette' : '931206,ff1b05,fdff42,4bff0f,0fa713'
        })

	map_results = {
	    'eeMapId': mapid['mapid'],
	    'eeToken': mapid['token']
        }

	self.response.headers['Content-Type'] = 'application/json'
	self.response.out.write(json.dumps(map_results))

# Setup dynamic routing table
app = webapp2.WSGIApplication([
    ('/getmap', GetMapHandler),
    ('/', MainHandler)
])