diff --git a/examples/server/README.md b/examples/server/README.md index fdd973e23..848719bc3 100644 --- a/examples/server/README.md +++ b/examples/server/README.md @@ -205,4 +205,4 @@ After running the API server, you can use it in Python by setting the API base U openai.api_base = "http://:port" ``` -Then you can utilize llama.cpp as an OpenAI's **chat.completion** or **text_completion** API \ No newline at end of file +Then you can utilize llama.cpp as an OpenAI's **chat.completion** or **text_completion** API diff --git a/examples/server/api_like_OAI.py b/examples/server/api_like_OAI.py index 93c9bb49d..01e4bf528 100755 --- a/examples/server/api_like_OAI.py +++ b/examples/server/api_like_OAI.py @@ -1,211 +1,211 @@ -import argparse -from flask import Flask, jsonify, request, Response -import urllib.parse -import requests -import time -import json - - -app = Flask(__name__) - -parser = argparse.ArgumentParser(description="An example of using server.cpp with a similar API to OAI. It must be used together with server.cpp.") -parser.add_argument("--chat-prompt", type=str, help="the top prompt in chat completions(default: 'A chat between a curious user and an artificial intelligence assistant. The assistant follows the given rules no matter what.\\n')", default='A chat between a curious user and an artificial intelligence assistant. The assistant follows the given rules no matter what.\\n') -parser.add_argument("--user-name", type=str, help="USER name in chat completions(default: '\\nUSER: ')", default="\\nUSER: ") -parser.add_argument("--ai-name", type=str, help="ASSISTANT name in chat completions(default: '\\nASSISTANT: ')", default="\\nASSISTANT: ") -parser.add_argument("--system-name", type=str, help="SYSTEM name in chat completions(default: '\\nASSISTANT's RULE: ')", default="\\nASSISTANT's RULE: ") -parser.add_argument("--stop", type=str, help="the end of response in chat completions(default: '')", default="") -parser.add_argument("--llama-api", type=str, help="Set the address of server.cpp in llama.cpp(default: http://127.0.0.1:8080)", default='http://127.0.0.1:8080') -parser.add_argument("--api-key", type=str, help="Set the api key to allow only few user(default: NULL)", default="") -parser.add_argument("--host", type=str, help="Set the ip address to listen.(default: 127.0.0.1)", default='127.0.0.1') -parser.add_argument("--port", type=int, help="Set the port to listen.(default: 8081)", default=8081) - -args = parser.parse_args() - -def is_present(json, key): - try: - buf = json[key] - except KeyError: - return False - return True - - - -#convert chat to prompt -def convert_chat(messages): - prompt = "" + args.chat_prompt.replace("\\n", "\n") - - system_n = args.system_name.replace("\\n", "\n") - user_n = args.user_name.replace("\\n", "\n") - ai_n = args.ai_name.replace("\\n", "\n") - - - for line in messages: - if (line["role"] == "system"): - prompt += f"{system_n}{line['content']}" - if (line["role"] == "user"): - prompt += f"{user_n}{line['content']}" - if (line["role"] == "assistant"): - prompt += f"{ai_n}{line['content']}{args.stop}" - prompt += ai_n - - return prompt - -def make_postData(body, chat=False, stream=False): - postData = {} - if (chat): - postData["prompt"] = convert_chat(body["messages"]) - else: - postData["prompt"] = body["prompt"] - if(is_present(body, "temperature")): postData["temperature"] = body["temperature"] - if(is_present(body, "top_k")): postData["top_k"] = body["top_k"] - if(is_present(body, "top_p")): postData["top_p"] = body["top_p"] - if(is_present(body, "max_tokens")): postData["n_predict"] = body["max_tokens"] - if(is_present(body, "presence_penalty")): postData["presence_penalty"] = body["presence_penalty"] - if(is_present(body, "frequency_penalty")): postData["frequency_penalty"] = body["frequency_penalty"] - if(is_present(body, "repeat_penalty")): postData["repeat_penalty"] = body["repeat_penalty"] - if(is_present(body, "mirostat")): postData["mirostat"] = body["mirostat"] - if(is_present(body, "mirostat_tau")): postData["mirostat_tau"] = body["mirostat_tau"] - if(is_present(body, "mirostat_eta")): postData["mirostat_eta"] = body["mirostat_eta"] - if(is_present(body, "seed")): postData["seed"] = body["seed"] - if(is_present(body, "logit_bias")): postData["logit_bias"] = [[int(token), body["logit_bias"][token]] for token in body["logit_bias"].keys()] - postData["stop"] = [args.stop] - if(is_present(body, "stop")): postData["stop"] += body["stop"] - - postData["stream"] = stream - - return postData - -def make_resData(data, chat=False, promptToken=[]): - resData = { - "id": "chatcmpl" if (chat) else "cmpl", - "object": "chat.completion" if (chat) else "text_completion", - "created": int(time.time()), - "model": "LLaMA_CPP", - "usage": { - "prompt_tokens": data["tokens_evaluated"], - "completion_tokens": data["tokens_predicted"], - "total_tokens": data["tokens_evaluated"] + data["tokens_predicted"] - } - } - if (len(promptToken) != 0): - resData["promptToken"] = promptToken - if (chat): - #only one choice is supported - resData["choices"] = [{ - "index": 0, - "message": { - "role": "assistant", - "content": data["content"], - }, - "finish_reason": "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" - }] - else: - #only one choice is supported - resData["choices"] = [{ - "text": data["content"], - "index": 0, - "logprobs": None, - "finish_reason": "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" - }] - return resData - -def make_resData_stream(data, chat=False, time_now = 0, start=False): - resData = { - "id": "chatcmpl" if (chat) else "cmpl", - "object": "chat.completion.chunk" if (chat) else "text_completion.chunk", - "created": time_now, - "model": "LLaMA_CPP", - "choices": [ - { - "finish_reason": None, - "index": 0 - } - ] - } - if (chat): - if (start): - resData["choices"][0]["delta"] = { - "role": "assistant" - } - else: - resData["choices"][0]["delta"] = { - "content": data["content"] - } - if (data["stop"]): - resData["choices"][0]["finish_reason"] = "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" - else: - resData["choices"][0]["text"] = data["content"] - if (data["stop"]): - resData["choices"][0]["finish_reason"] = "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" - - return resData - - -@app.route('/chat/completions', methods=['POST']) -def chat_completions(): - if (args.api_key != "" and request.headers["Authorization"].split()[1] != args.api_key): - return Response(status=403) - body = request.get_json() - stream = False - tokenize = False - if(is_present(body, "stream")): stream = body["stream"] - if(is_present(body, "tokenize")): tokenize = body["tokenize"] - postData = make_postData(body, chat=True, stream=stream) - - promptToken = [] - if (tokenize): - tokenData = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/tokenize"), data=json.dumps({"content": postData["prompt"]})).json() - promptToken = tokenData["tokens"] - - if (not stream): - data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData)) - resData = make_resData(data.json(), chat=True, promptToken=promptToken) - return jsonify(resData) - else: - def generate(): - data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData), stream=True) - time_now = int(time.time()) - resData = make_resData_stream({}, chat=True, time_now=time_now, start=True) - yield 'data: {}\n'.format(json.dumps(resData)) - for line in data.iter_lines(): - if line: - decoded_line = line.decode('utf-8') - resData = make_resData_stream(json.loads(decoded_line[6:]), chat=True, time_now=time_now) - yield 'data: {}\n'.format(json.dumps(resData)) - return Response(generate(), mimetype='text/event-stream') - - -@app.route('/completions', methods=['POST']) -def completion(): - if (args.api_key != "" and request.headers["Authorization"].split()[1] != args.api_key): - return Response(status=403) - body = request.get_json() - stream = False - tokenize = False - if(is_present(body, "stream")): stream = body["stream"] - if(is_present(body, "tokenize")): tokenize = body["tokenize"] - postData = make_postData(body, chat=False, stream=stream) - - promptToken = [] - if (tokenize): - tokenData = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/tokenize"), data=json.dumps({"content": postData["prompt"]})).json() - promptToken = tokenData["tokens"] - - if (not stream): - data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData)) - resData = make_resData(data.json(), chat=False, promptToken=promptToken) - return jsonify(resData) - else: - def generate(): - data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData), stream=True) - time_now = int(time.time()) - for line in data.iter_lines(): - if line: - decoded_line = line.decode('utf-8') - resData = make_resData_stream(json.loads(decoded_line[6:]), chat=False, time_now=time_now) - yield 'data: {}\n'.format(json.dumps(resData)) - return Response(generate(), mimetype='text/event-stream') - - -if __name__ == '__main__': - app.run(args.host, port=args.port) \ No newline at end of file +import argparse +from flask import Flask, jsonify, request, Response +import urllib.parse +import requests +import time +import json + + +app = Flask(__name__) + +parser = argparse.ArgumentParser(description="An example of using server.cpp with a similar API to OAI. It must be used together with server.cpp.") +parser.add_argument("--chat-prompt", type=str, help="the top prompt in chat completions(default: 'A chat between a curious user and an artificial intelligence assistant. The assistant follows the given rules no matter what.\\n')", default='A chat between a curious user and an artificial intelligence assistant. The assistant follows the given rules no matter what.\\n') +parser.add_argument("--user-name", type=str, help="USER name in chat completions(default: '\\nUSER: ')", default="\\nUSER: ") +parser.add_argument("--ai-name", type=str, help="ASSISTANT name in chat completions(default: '\\nASSISTANT: ')", default="\\nASSISTANT: ") +parser.add_argument("--system-name", type=str, help="SYSTEM name in chat completions(default: '\\nASSISTANT's RULE: ')", default="\\nASSISTANT's RULE: ") +parser.add_argument("--stop", type=str, help="the end of response in chat completions(default: '')", default="") +parser.add_argument("--llama-api", type=str, help="Set the address of server.cpp in llama.cpp(default: http://127.0.0.1:8080)", default='http://127.0.0.1:8080') +parser.add_argument("--api-key", type=str, help="Set the api key to allow only few user(default: NULL)", default="") +parser.add_argument("--host", type=str, help="Set the ip address to listen.(default: 127.0.0.1)", default='127.0.0.1') +parser.add_argument("--port", type=int, help="Set the port to listen.(default: 8081)", default=8081) + +args = parser.parse_args() + +def is_present(json, key): + try: + buf = json[key] + except KeyError: + return False + return True + + + +#convert chat to prompt +def convert_chat(messages): + prompt = "" + args.chat_prompt.replace("\\n", "\n") + + system_n = args.system_name.replace("\\n", "\n") + user_n = args.user_name.replace("\\n", "\n") + ai_n = args.ai_name.replace("\\n", "\n") + + + for line in messages: + if (line["role"] == "system"): + prompt += f"{system_n}{line['content']}" + if (line["role"] == "user"): + prompt += f"{user_n}{line['content']}" + if (line["role"] == "assistant"): + prompt += f"{ai_n}{line['content']}{args.stop}" + prompt += ai_n + + return prompt + +def make_postData(body, chat=False, stream=False): + postData = {} + if (chat): + postData["prompt"] = convert_chat(body["messages"]) + else: + postData["prompt"] = body["prompt"] + if(is_present(body, "temperature")): postData["temperature"] = body["temperature"] + if(is_present(body, "top_k")): postData["top_k"] = body["top_k"] + if(is_present(body, "top_p")): postData["top_p"] = body["top_p"] + if(is_present(body, "max_tokens")): postData["n_predict"] = body["max_tokens"] + if(is_present(body, "presence_penalty")): postData["presence_penalty"] = body["presence_penalty"] + if(is_present(body, "frequency_penalty")): postData["frequency_penalty"] = body["frequency_penalty"] + if(is_present(body, "repeat_penalty")): postData["repeat_penalty"] = body["repeat_penalty"] + if(is_present(body, "mirostat")): postData["mirostat"] = body["mirostat"] + if(is_present(body, "mirostat_tau")): postData["mirostat_tau"] = body["mirostat_tau"] + if(is_present(body, "mirostat_eta")): postData["mirostat_eta"] = body["mirostat_eta"] + if(is_present(body, "seed")): postData["seed"] = body["seed"] + if(is_present(body, "logit_bias")): postData["logit_bias"] = [[int(token), body["logit_bias"][token]] for token in body["logit_bias"].keys()] + postData["stop"] = [args.stop] + if(is_present(body, "stop")): postData["stop"] += body["stop"] + + postData["stream"] = stream + + return postData + +def make_resData(data, chat=False, promptToken=[]): + resData = { + "id": "chatcmpl" if (chat) else "cmpl", + "object": "chat.completion" if (chat) else "text_completion", + "created": int(time.time()), + "model": "LLaMA_CPP", + "usage": { + "prompt_tokens": data["tokens_evaluated"], + "completion_tokens": data["tokens_predicted"], + "total_tokens": data["tokens_evaluated"] + data["tokens_predicted"] + } + } + if (len(promptToken) != 0): + resData["promptToken"] = promptToken + if (chat): + #only one choice is supported + resData["choices"] = [{ + "index": 0, + "message": { + "role": "assistant", + "content": data["content"], + }, + "finish_reason": "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" + }] + else: + #only one choice is supported + resData["choices"] = [{ + "text": data["content"], + "index": 0, + "logprobs": None, + "finish_reason": "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" + }] + return resData + +def make_resData_stream(data, chat=False, time_now = 0, start=False): + resData = { + "id": "chatcmpl" if (chat) else "cmpl", + "object": "chat.completion.chunk" if (chat) else "text_completion.chunk", + "created": time_now, + "model": "LLaMA_CPP", + "choices": [ + { + "finish_reason": None, + "index": 0 + } + ] + } + if (chat): + if (start): + resData["choices"][0]["delta"] = { + "role": "assistant" + } + else: + resData["choices"][0]["delta"] = { + "content": data["content"] + } + if (data["stop"]): + resData["choices"][0]["finish_reason"] = "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" + else: + resData["choices"][0]["text"] = data["content"] + if (data["stop"]): + resData["choices"][0]["finish_reason"] = "stop" if (data["stopped_eos"] or data["stopped_word"]) else "length" + + return resData + + +@app.route('/chat/completions', methods=['POST']) +def chat_completions(): + if (args.api_key != "" and request.headers["Authorization"].split()[1] != args.api_key): + return Response(status=403) + body = request.get_json() + stream = False + tokenize = False + if(is_present(body, "stream")): stream = body["stream"] + if(is_present(body, "tokenize")): tokenize = body["tokenize"] + postData = make_postData(body, chat=True, stream=stream) + + promptToken = [] + if (tokenize): + tokenData = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/tokenize"), data=json.dumps({"content": postData["prompt"]})).json() + promptToken = tokenData["tokens"] + + if (not stream): + data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData)) + resData = make_resData(data.json(), chat=True, promptToken=promptToken) + return jsonify(resData) + else: + def generate(): + data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData), stream=True) + time_now = int(time.time()) + resData = make_resData_stream({}, chat=True, time_now=time_now, start=True) + yield 'data: {}\n'.format(json.dumps(resData)) + for line in data.iter_lines(): + if line: + decoded_line = line.decode('utf-8') + resData = make_resData_stream(json.loads(decoded_line[6:]), chat=True, time_now=time_now) + yield 'data: {}\n'.format(json.dumps(resData)) + return Response(generate(), mimetype='text/event-stream') + + +@app.route('/completions', methods=['POST']) +def completion(): + if (args.api_key != "" and request.headers["Authorization"].split()[1] != args.api_key): + return Response(status=403) + body = request.get_json() + stream = False + tokenize = False + if(is_present(body, "stream")): stream = body["stream"] + if(is_present(body, "tokenize")): tokenize = body["tokenize"] + postData = make_postData(body, chat=False, stream=stream) + + promptToken = [] + if (tokenize): + tokenData = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/tokenize"), data=json.dumps({"content": postData["prompt"]})).json() + promptToken = tokenData["tokens"] + + if (not stream): + data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData)) + resData = make_resData(data.json(), chat=False, promptToken=promptToken) + return jsonify(resData) + else: + def generate(): + data = requests.request("POST", urllib.parse.urljoin(args.llama_api, "/completion"), data=json.dumps(postData), stream=True) + time_now = int(time.time()) + for line in data.iter_lines(): + if line: + decoded_line = line.decode('utf-8') + resData = make_resData_stream(json.loads(decoded_line[6:]), chat=False, time_now=time_now) + yield 'data: {}\n'.format(json.dumps(resData)) + return Response(generate(), mimetype='text/event-stream') + + +if __name__ == '__main__': + app.run(args.host, port=args.port)