server.py

import json
from flask import Flask, render_template, request, Response
from mailchimp3 import MailChimp
try:
    import config
    has_local_config = True
except ImportError:
    has_local_config = False


app = Flask(__name__)


@app.route('/')
def hello_world():
    if has_local_config:
        template_vars = {
            'api_key': config.MAILCHIMP_SECRET_KEY,
            'analytics_id': config.ANALYTICS_ID,
        }
    else:
        template_vars = {}
    return render_template('home.html', **template_vars)


@app.route('/api/lists/', methods=['POST'])
def get_lists():
    client = _get_mailchimp_client()
    lists = client.lists.all(get_all=True, fields="lists.name,lists.id")
    return Response(json.dumps(lists), mimetype='application/json')


@app.route('/api/members/', methods=['POST'])
def get_members():
    client = _get_mailchimp_client()
    list_id = request.form['list']
    members = client.lists.members.all(list_id, get_all=True, status='pending',
                                       fields="members.email_address,members.id,members.timestamp_signup,members.status")
    return Response(json.dumps(members), mimetype='application/json')


@app.route('/api/update_member/', methods=['POST'])
def update_member():
    client = _get_mailchimp_client()
    list_id = request.form['list']
    member_id = request.form['member-id']
    status = request.form['status']
    if status == 'deleted':
        # special case deletion
        client.lists.members.delete(list_id, subscriber_hash=member_id)
    else:
        client.lists.members.update(list_id, subscriber_hash=member_id, data={"status": status})
    return Response(json.dumps({'id': member_id, 'status': status}), mimetype='application/json')


def _get_mailchimp_client():
    api_key = request.form['api-key'] or config.MAILCHIMP_SECRET_KEY
    return MailChimp('', api_key)  # first argument is username which is not necessary