text: # coding: utf-8
  from __future__ import unicode_literals
  
  import json
  import hashlib
  import re
  
  from .aws import AWSIE
  from .anvato import AnvatoIE
  from ..utils import (
      smuggle_url,
      urlencode_postdata,
      xpath_text,
  )
  
  
  class ScrippsNetworksWatchIE(AWSIE):
      IE_NAME = 'scrippsnetworks:watch'
      _VALID_URL = r'''(?x)
                      https?://
                          watch\.
                          (?P<site>hgtv|foodnetwork|travelchannel|diynetwork|cookingchanneltv|geniuskitchen)\.com/
                          (?:
                              player\.[A-Z0-9]+\.html\#|
                              show/(?:[^/]+/){2}|
                              player/
                          )
                          (?P<id>\d+)
                      '''
      _TESTS = [{
          'url': 'http://watch.hgtv.com/show/HGTVE/Best-Ever-Treehouses/2241515/Best-Ever-Treehouses/',
          'md5': '26545fd676d939954c6808274bdb905a',
          'info_dict': {
              'id': '4173834',
              'ext': 'mp4',
              'title': 'Best Ever Treehouses',
              'description': "We're searching for the most over the top treehouses.",
              'uploader': 'ANV',
              'upload_date': '20170922',
              'timestamp': 1506056400,
          },
          'params': {
              'skip_download': True,
          },
          'add_ie': [AnvatoIE.ie_key()],
      }, {
          'url': 'http://watch.diynetwork.com/show/DSAL/Salvage-Dawgs/2656646/Covington-Church/',
          'only_matching': True,
      }, {
          'url': 'http://watch.diynetwork.com/player.HNT.html#2656646',
          'only_matching': True,
      }, {
          'url': 'http://watch.geniuskitchen.com/player/3787617/Ample-Hills-Ice-Cream-Bike/',
          'only_matching': True,
      }]
  
      _SNI_TABLE = {
          'hgtv': 'hgtv',
          'diynetwork': 'diy',
          'foodnetwork': 'food',
          'cookingchanneltv': 'cook',
          'travelchannel': 'trav',
          'geniuskitchen': 'genius',
      }
  
      _AWS_API_KEY = 'E7wSQmq0qK6xPrF13WmzKiHo4BQ7tip4pQcSXVl1'
      _AWS_PROXY_HOST = 'web.api.video.snidigital.com'
  
      _AWS_USER_AGENT = 'aws-sdk-js/2.80.0 callback'
  
      def _real_extract(self, url):
          mobj = re.match(self._VALID_URL, url)
          site_id, video_id = mobj.group('site', 'id')
  
          aws_identity_id_json = json.dumps({
              'IdentityId': '%s:7655847c-0ae7-4d9b-80d6-56c062927eb3' % self._AWS_REGION
          }).encode('utf-8')
          token = self._download_json(
              'https://cognito-identity.%s.amazonaws.com/' % self._AWS_REGION, video_id,
              data=aws_identity_id_json,
              headers={
                  'Accept': '*/*',
                  'Content-Type': 'application/x-amz-json-1.1',
                  'Referer': url,
                  'X-Amz-Content-Sha256': hashlib.sha256(aws_identity_id_json).hexdigest(),
                  'X-Amz-Target': 'AWSCognitoIdentityService.GetOpenIdToken',
                  'X-Amz-User-Agent': self._AWS_USER_AGENT,
              })['Token']
  
          sts = self._download_xml(
              'https://sts.amazonaws.com/', video_id, data=urlencode_postdata({
                  'Action': 'AssumeRoleWithWebIdentity',
                  'RoleArn': 'arn:aws:iam::710330595350:role/Cognito_WebAPIUnauth_Role',
                  'RoleSessionName': 'web-identity',
                  'Version': '2011-06-15',
                  'WebIdentityToken': token,
              }), headers={
                  'Referer': url,
                  'X-Amz-User-Agent': self._AWS_USER_AGENT,
                  'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
              })
  
          def get(key):
              return xpath_text(
                  sts, './/{https://sts.amazonaws.com/doc/2011-06-15/}%s' % key,
                  fatal=True)
  
          mcp_id = self._aws_execute_api({
              'uri': '/1/web/brands/%s/episodes/scrid/%s' % (self._SNI_TABLE[site_id], video_id),
              'access_key': get('AccessKeyId'),
              'secret_key': get('SecretAccessKey'),
              'session_token': get('SessionToken'),
          }, video_id)['results'][0]['mcpId']
  
          return self.url_result(
              smuggle_url(
                  'anvato:anvato_scripps_app_web_prod_0837996dbe373629133857ae9eb72e740424d80a:%s' % mcp_id,
                  {'geo_countries': ['US']}),
              AnvatoIE.ie_key(), video_id=mcp_id)
  