harness-featureflags

import os import time from harness_featureflags.client import CfClient from harness_featureflags.util import Target # Set your Harness Server SDK Key as an environment variable or replace directly API_KEY = os.environ.get('FF_API_KEY', 'YOUR_HAARNESS_SDK_KEY') # Set a target identifier for your user or application TARGET_IDENTIFIER = os.environ.get('FF_TARGET_IDENTIFIER', 'test-user-1') if not API_KEY or API_KEY == 'YOUR_HAARNESS_SDK_KEY': print("Error: FF_API_KEY not set. Please set the environment variable or replace the placeholder.") exit(1) def main(): client = CfClient(API_KEY) # Wait for the SDK to initialize client.wait_for_initialization() target = Target( identifier=TARGET_IDENTIFIER, name=TARGET_IDENTIFIER, attributes={ "email": f"{TARGET_IDENTIFIER}@example.com", "country": "US" } ) print(f"Client initialized. Target: {target.identifier}") try: while True: # Replace 'harnessappdemodarkmode' with your actual feature flag identifier is_dark_mode_enabled = client.bool_variation('harnessappdemodarkmode', target, False) print(f"Feature flag 'harnessappdemodarkmode' is {'enabled' if is_dark_mode_enabled else 'disabled'} for target {target.identifier}") string_flag_value = client.string_variation('another_string_flag', target, 'default_string') print(f"Feature flag 'another_string_flag' has value: {string_flag_value}") time.sleep(10) except KeyboardInterrupt: print("Stopping...") finally: client.close() print("SDK Closed.") if __name__ == '__main__': main()