Aggiornato Httptools e cloudscrape

Fix per Py3 e commenti in inglese

lib/cloudscraper/user_agent/__init__.py

@@ -19,21 +19,28 @@ class User_Agent():
     ##########################################################################################################################################################
 
     def loadUserAgent(self, *args, **kwargs):
-        browser = kwargs.pop('browser', 'chrome')
+        browser = kwargs.pop('browser', None)
 
         user_agents = json.load(
             open(os.path.join(os.path.dirname(__file__), 'browsers.json'), 'r'),
             object_pairs_hook=OrderedDict
         )
 
-        if not user_agents.get(browser):
+        if browser and not user_agents.get(browser):
             logging.error('Sorry "{}" browser User-Agent was not found.'.format(browser))
             raise
 
-        user_agent_version = random.SystemRandom().choice(list(user_agents.get(browser)))
+        if not browser:
+            browser = random.SystemRandom().choice(list(user_agents))
 
-        self.headers = user_agents.get(browser).get(user_agent_version).get('headers')
-        self.headers['User-Agent'] = random.SystemRandom().choice(user_agents.get(browser).get(user_agent_version).get('User-Agent'))
+        user_agent_version = random.SystemRandom().choice(list(user_agents.get(browser).get('releases')))
+
+        if user_agents.get(browser).get('releases').get(user_agent_version).get('headers'):
+            self.headers = user_agents.get(browser).get('releases').get(user_agent_version).get('headers')
+        else:
+            self.headers = user_agents.get(browser).get('default_headers')
+
+        self.headers['User-Agent'] = random.SystemRandom().choice(user_agents.get(browser).get('releases').get(user_agent_version).get('User-Agent'))
 
         if not kwargs.get('allow_brotli', False):
             if 'br' in self.headers['Accept-Encoding']: