fix: cloudscrape revert alla stable

lib/cloudscraper/reCaptcha/__init__.py

@@ -1,3 +1,4 @@
+import re
 import sys
 import logging
 import abc
@@ -7,20 +8,20 @@ if sys.version_info >= (3, 4):
 else:
     ABC = abc.ABCMeta('ABC', (), {})
 
-# ------------------------------------------------------------------------------- #
+##########################################################################################################################################################
+
+BUG_REPORT = 'Cloudflare may have changed their technique, or there may be a bug in the script.'
+
+##########################################################################################################################################################
 
 captchaSolvers = {}
 
-# ------------------------------------------------------------------------------- #
-
 
 class reCaptcha(ABC):
     @abc.abstractmethod
     def __init__(self, name):
         captchaSolvers[name] = self
 
-    # ------------------------------------------------------------------------------- #
-
     @classmethod
     def dynamicImport(cls, name):
         if name not in captchaSolvers:
@@ -34,13 +35,14 @@ class reCaptcha(ABC):
 
         return captchaSolvers[name]
 
-    # ------------------------------------------------------------------------------- #
-
     @abc.abstractmethod
     def getCaptchaAnswer(self, site_url, site_key, reCaptchaParams):
         pass
 
-    # ------------------------------------------------------------------------------- #
+    def solveCaptcha(self, ret, reCaptchaParams):
+        try:
+            site_key = re.search('data-sitekey="(.+?)"', ret.text).group(1)
+        except Exception as e:
+            raise ValueError("Unable to parse Cloudflare\'s reCaptcha variable 'data-sitekey': {} {}".format(e.message, BUG_REPORT))
 
-    def solveCaptcha(self, site_url, site_key, reCaptchaParams):
-        return self.getCaptchaAnswer(site_url, site_key, reCaptchaParams)
+        return self.getCaptchaAnswer(ret.url, site_key, reCaptchaParams)