chore: swap core for yggdrasil (#322)

Author: sighphyre

UnleashClient/__init__.py

@@ -19,7 +19,7 @@ def get_feature_toggles(
     request_retries: int,
     project: Optional[str] = None,
     cached_etag: str = "",
-) -> Tuple[dict, str]:
+) -> Tuple[str, str]:
     """
     Retrieves feature flags from unleash central server.
 
@@ -82,10 +82,10 @@ def get_feature_toggles(
         if resp.status_code == 304:
             return None, etag
 
-        return resp.json(), etag
+        return resp.text, etag
     except Exception as exc:
         LOGGER.exception(
             "Unleash Client feature fetch failed due to exception: %s", exc
         )
 
-    return {}, ""
+    return None, ""

UnleashClient/api/features.py

@@ -3,6 +3,7 @@
 from platform import python_implementation, python_version
 
 import requests
+import yggdrasil_engine
 from requests.exceptions import InvalidHeader, InvalidSchema, InvalidURL, MissingSchema
 
 from UnleashClient.constants import (
@@ -52,7 +53,7 @@ def register_client(
         "interval": metrics_interval,
         "platformName": python_implementation(),
         "platformVersion": python_version(),
-        "yggdrasilVersion": None,
+        "yggdrasilVersion": yggdrasil_engine.__yggdrasil_core_version__,
         "specVersion": CLIENT_SPEC_VERSION,
     }
 

UnleashClient/api/register.py

@@ -91,7 +91,7 @@ def bootstrap_from_dict(self, initial_config: dict) -> None:
 
         :param initial_config: Dictionary that contains initial configuration.
         """
-        self.set(FEATURES_URL, initial_config)
+        self.set(FEATURES_URL, json.dumps(initial_config))
         self.bootstrapped = True
 
     def bootstrap_from_file(self, initial_config_file: Path) -> None:
@@ -103,7 +103,7 @@ def bootstrap_from_file(self, initial_config_file: Path) -> None:
         :param initial_configuration_file: Path to document containing initial configuration.  Must be JSON.
         """
         with open(initial_config_file, "r", encoding="utf8") as bootstrap_file:
-            self.set(FEATURES_URL, json.loads(bootstrap_file.read()))
+            self.set(FEATURES_URL, bootstrap_file.read())
             self.bootstrapped = True
 
     def bootstrap_from_url(
@@ -122,7 +122,7 @@ def bootstrap_from_url(
         """
         timeout = request_timeout if request_timeout else self.request_timeout
         response = requests.get(initial_config_url, headers=headers, timeout=timeout)
-        self.set(FEATURES_URL, response.json())
+        self.set(FEATURES_URL, response.text)
         self.bootstrapped = True
 
     def set(self, key: str, value: Any):