feat: Bump flagsmith-flag-engine to 5.0.0 (#69)

Author: khvn26

flagsmith/flagsmith.py

@@ -4,7 +4,6 @@
 
 import requests
 from flag_engine import engine
-from flag_engine.environments.builders import build_environment_model
 from flag_engine.environments.models import EnvironmentModel
 from flag_engine.identities.models import IdentityModel, TraitModel
 from flag_engine.segments.evaluator import get_identity_segments
@@ -196,7 +195,7 @@ def update_environment(self):
 
     def _get_environment_from_api(self) -> EnvironmentModel:
         environment_data = self._get_json_response(self.environment_url, method="GET")
-        return build_environment_model(environment_data)
+        return EnvironmentModel.model_validate(environment_data)
 
     def _get_environment_flags_from_document(self) -> Flags:
         return Flags.from_feature_state_models(

flagsmith/offline_handlers.py

@@ -1,7 +1,5 @@
-import json
 from abc import ABC, abstractmethod
 
-from flag_engine.environments.builders import build_environment_model
 from flag_engine.environments.models import EnvironmentModel
 
 
@@ -14,8 +12,8 @@ def get_environment(self) -> EnvironmentModel:
 class LocalFileHandler(BaseOfflineHandler):
     def __init__(self, environment_document_path: str):
         with open(environment_document_path) as environment_document:
-            self.environment = build_environment_model(
-                json.loads(environment_document.read())
+            self.environment = EnvironmentModel.model_validate_json(
+                environment_document.read()
             )
 
     def get_environment(self) -> EnvironmentModel: