old_contents: from __future__ import print_function
  import sys, os
  from tempodb.client import Client
  from flask import Flask, request, Response
  app = Flask(__name__)
  
  for k in ['TEMPODB_DATABASE_ID', 'TEMPODB_API_KEY',
            'TEMPODB_API_SECRET']:
      if k not in os.environ:
          print("Missing environment variable: {}".format(k),
                file=sys.stderr)
          sys.exit(1)
  
  client = Client(os.environ['TEMPODB_DATABASE_ID'],
                  os.environ['TEMPODB_API_KEY'],
                  os.environ['TEMPODB_API_SECRET'])
  
  # From http://gear11.com/2013/12/python-proxy-server/
  CHUNK_SIZE = 1024
  def convert_response(r):
      headers = dict(r.headers)
      def generate():
          for chunk in r.iter_content(CHUNK_SIZE):
              yield chunk
      return Response(generate(), headers=headers)
  
  @app.route('/tempodb/<path:path>')
  def proxy_get(path):
      response = client.session.get(path + '?' + request.query_string)
      return convert_response(response)
  
  if __name__ == '__main__':
      app.run()
  
new_contents: from __future__ import print_function
  import sys, os
  from tempodb.client import Client
  from flask import Flask, request, Response
  app = Flask(__name__)
  
  for k in ['TEMPODB_DATABASE_ID', 'TEMPODB_API_KEY',
            'TEMPODB_API_SECRET']:
      if k not in os.environ:
          print("Missing environment variable: {}".format(k),
                file=sys.stderr)
          sys.exit(1)
  
  client = Client(os.environ['TEMPODB_DATABASE_ID'],
                  os.environ['TEMPODB_API_KEY'],
                  os.environ['TEMPODB_API_SECRET'])
  
  # From http://gear11.com/2013/12/python-proxy-server/
  CHUNK_SIZE = 1024
  def convert_response(r):
      headers = dict(r.headers)
      def generate():
          for chunk in r.iter_content(CHUNK_SIZE):
              yield chunk
      headers['Access-Control-Allow-Origin'] = '*'
      return Response(generate(), headers=headers)
  
  @app.route('/tempodb/<path:path>')
  def proxy_get(path):
      response = client.session.get(path + '?' + request.query_string)
      return convert_response(response)
  
  if __name__ == '__main__':
      app.run()
  
subject: Add access-control-allow-origin = *