1 # Copyright 2015 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import urllib 6 7 import webapp2 8 9 from common import jinja 10 from common import query_filter 11 12 13 class Trace(webapp2.RequestHandler): 14 15 def get(self): 16 try: 17 filters = query_filter.Filters(self.request) 18 except ValueError as e: 19 self.response.headers['Content-Type'] = 'application/json' 20 self.response.out.write({'error': str(e)}) 21 return 22 23 query_parameters = [] 24 for filter_name, filter_values in filters.iteritems(): 25 if filter_name == 'start_time': 26 query_parameters.append(('start_time', filter_values)) 27 else: 28 for filter_value in filter_values: 29 query_parameters.append((filter_name, filter_value)) 30 template_values = { 31 'query_string': urllib.urlencode(query_parameters), 32 } 33 34 template = jinja.ENVIRONMENT.get_template('trace.html') 35 self.response.out.write(template.render(template_values)) 36
