Add recaptcha detection

Author: python273

vk_api/vk_api.py

@@ -8,6 +8,7 @@
 """
 
 import logging
+import random
 import re
 import threading
 import time
@@ -262,6 +263,14 @@ def vk_login(self, captcha_sid=None, captcha_key=None):
 
             return self.error_handlers[CAPTCHA_ERROR_CODE](captcha)
 
+        if 'onLoginReCaptcha(' in response.text:
+            self.logger.info('Captcha code is required (recaptcha)')
+
+            captcha_sid = str(random.random())[2:16]
+            captcha = Captcha(self, captcha_sid, self.vk_login)
+
+            return self.error_handlers[CAPTCHA_ERROR_CODE](captcha)
+
         if 'onLoginFailed(4' in response.text:
             raise BadPassword('Bad password')