87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
import asyncio
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import json
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import sys
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try:
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import websockets
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except ImportError:
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print("Websockets package not found. Make sure it's installed.")
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# For local streaming, the websockets are hosted without ssl - ws://
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HOST = 'localhost:5000'
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URI = f'ws://{HOST}/api/v1/stream'
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# For reverse-proxied streaming, the remote will likely host with ssl - wss://
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# URI = 'wss://your-uri-here.trycloudflare.com/api/v1/stream'
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async def run(context):
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# Note: the selected defaults change from time to time.
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request = {
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'prompt': context,
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'max_new_tokens': 250,
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'auto_max_new_tokens': False,
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'max_tokens_second': 0,
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# Generation params. If 'preset' is set to different than 'None', the values
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# in presets/preset-name.yaml are used instead of the individual numbers.
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'preset': 'None',
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'do_sample': True,
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'temperature': 0.7,
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'top_p': 0.1,
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'typical_p': 1,
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'epsilon_cutoff': 0, # In units of 1e-4
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'eta_cutoff': 0, # In units of 1e-4
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'tfs': 1,
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'top_a': 0,
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'repetition_penalty': 1.18,
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'repetition_penalty_range': 0,
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'top_k': 40,
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'min_length': 0,
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'no_repeat_ngram_size': 0,
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'num_beams': 1,
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'penalty_alpha': 0,
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'length_penalty': 1,
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'early_stopping': False,
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'mirostat_mode': 0,
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'mirostat_tau': 5,
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'mirostat_eta': 0.1,
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'guidance_scale': 1,
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'negative_prompt': '',
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'seed': -1,
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'add_bos_token': True,
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'truncation_length': 2048,
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'ban_eos_token': False,
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'custom_token_bans': '',
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'skip_special_tokens': True,
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'stopping_strings': []
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}
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async with websockets.connect(URI, ping_interval=None) as websocket:
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await websocket.send(json.dumps(request))
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yield context # Remove this if you just want to see the reply
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while True:
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incoming_data = await websocket.recv()
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incoming_data = json.loads(incoming_data)
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match incoming_data['event']:
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case 'text_stream':
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yield incoming_data['text']
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case 'stream_end':
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return
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async def print_response_stream(prompt):
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async for response in run(prompt):
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print(response, end='')
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sys.stdout.flush() # If we don't flush, we won't see tokens in realtime.
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print('\n\nfinished')
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if __name__ == '__main__':
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prompt = "In order to make homemade bread, follow these steps:\n1)"
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asyncio.run(print_response_stream(prompt))
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