import asyncio import json import sys try: import websockets except ImportError: print("Websockets package not found. Make sure it's installed.") # For local streaming, the websockets are hosted without ssl - ws:// HOST = 'localhost:5005' URI = f'ws://{HOST}/api/v1/stream' # For reverse-proxied streaming, the remote will likely host with ssl - wss:// # URI = 'wss://your-uri-here.trycloudflare.com/api/v1/stream' async def run(context): # Note: the selected defaults change from time to time. request = { 'prompt': context, 'max_new_tokens': 250, 'auto_max_new_tokens': False, 'max_tokens_second': 0, # Generation params. If 'preset' is set to different than 'None', the values # in presets/preset-name.yaml are used instead of the individual numbers. 'preset': 'None', 'do_sample': True, 'temperature': 0.7, 'top_p': 0.1, 'typical_p': 1, 'epsilon_cutoff': 0, # In units of 1e-4 'eta_cutoff': 0, # In units of 1e-4 'tfs': 1, 'top_a': 0, 'repetition_penalty': 1.18, 'repetition_penalty_range': 0, 'top_k': 40, 'min_length': 0, 'no_repeat_ngram_size': 0, 'num_beams': 1, 'penalty_alpha': 0, 'length_penalty': 1, 'early_stopping': False, 'mirostat_mode': 0, 'mirostat_tau': 5, 'mirostat_eta': 0.1, 'guidance_scale': 1, 'negative_prompt': '', 'seed': -1, 'add_bos_token': True, 'truncation_length': 2048, 'ban_eos_token': False, 'skip_special_tokens': True, 'stopping_strings': [] } async with websockets.connect(URI, ping_interval=None) as websocket: await websocket.send(json.dumps(request)) yield context # Remove this if you just want to see the reply while True: incoming_data = await websocket.recv() incoming_data = json.loads(incoming_data) match incoming_data['event']: case 'text_stream': yield incoming_data['text'] case 'stream_end': return async def print_response_stream(prompt): async for response in run(prompt): print(response, end='') sys.stdout.flush() # If we don't flush, we won't see tokens in realtime. if __name__ == '__main__': prompt = "In order to make homemade bread, follow these steps:\n1)" asyncio.run(print_response_stream(prompt))