Fix DooD Stream

lib/cloudscraper/interpreters/__init__.py

@@ -0,0 +1,56 @@
+import sys
+import logging
+import abc
+
+from ..exceptions import CloudflareSolveError
+
+if sys.version_info >= (3, 4):
+    ABC = abc.ABC  # noqa
+else:
+    ABC = abc.ABCMeta('ABC', (), {})
+
+# ------------------------------------------------------------------------------- #
+
+interpreters = {}
+
+# ------------------------------------------------------------------------------- #
+
+
+class JavaScriptInterpreter(ABC):
+
+    # ------------------------------------------------------------------------------- #
+
+    @abc.abstractmethod
+    def __init__(self, name):
+        interpreters[name] = self
+
+    # ------------------------------------------------------------------------------- #
+
+    @classmethod
+    def dynamicImport(cls, name):
+        if name not in interpreters:
+            try:
+                __import__('{}.{}'.format(cls.__module__, name))
+                if not isinstance(interpreters.get(name), JavaScriptInterpreter):
+                    raise ImportError('The interpreter was not initialized.')
+            except ImportError:
+                logging.error('Unable to load {} interpreter'.format(name))
+                raise
+
+        return interpreters[name]
+
+    # ------------------------------------------------------------------------------- #
+
+    @abc.abstractmethod
+    def eval(self, jsEnv, js):
+        pass
+
+    # ------------------------------------------------------------------------------- #
+
+    def solveChallenge(self, body, domain):
+        try:
+            return '{0:.10f}'.format(float(self.eval(body, domain)))
+        except Exception:
+            raise CloudflareSolveError(
+                'Error trying to solve Cloudflare IUAM Javascript, they may have changed their technique.'
+            )