Home | History | Annotate | Download | only in handlers
      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