Update handler.py
Browse files- handler.py +5 -22
handler.py
CHANGED
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@@ -3,16 +3,14 @@ from transformers import AutoTokenizer, AutoModelForCausalLM
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from typing import Dict, Any
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import re
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# 簡繁轉換字典
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SIMPLIFIED_TO_TRADITIONAL = {
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'发': '發', '书': '書', '记': '記', '亚': '亞', '欧': '歐', '韩': '韓', '边': '邊',
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'恒': '恆', '说': '說', '话': '話', '东': '東', '车': '車', '马': '馬', '样': '樣',
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'风': '風', '专': '專', '万': '萬', '劳': '勞', '动': '動', '习': '習', '头': '頭',
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'们': '們', '为': '為', '产': '產', '场': '場', '实': '實', '观': '觀', '见': '見',
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'师': '師', '长': '長', '识': '識', '电': '電', '图': '圖', '华': '華', '龙': '龍',
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'
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'
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'带': '帶', '难': '難'
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}
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class EndpointHandler:
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@@ -23,7 +21,6 @@ class EndpointHandler:
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self.model_dir = model_dir if model_dir else "homer7676/FrierenChatbotV1"
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def initialize(self, context):
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"""初始化模型和 tokenizer"""
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try:
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self.tokenizer = AutoTokenizer.from_pretrained(
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self.model_dir,
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@@ -36,9 +33,8 @@ class EndpointHandler:
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self.model = AutoModelForCausalLM.from_pretrained(
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self.model_dir,
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trust_remote_code=True,
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torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32
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)
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self.model.eval()
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@@ -47,14 +43,12 @@ class EndpointHandler:
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raise
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def preprocess(self, data: Dict[str, Any]) -> Dict[str, Any]:
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"""預處理輸入數據"""
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inputs = data.pop("inputs", data)
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if not isinstance(inputs, dict):
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inputs = {"message": inputs}
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return inputs
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def inference(self, inputs: Dict[str, Any]) -> Dict[str, Any]:
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"""執行推理"""
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try:
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message = inputs.get("message", "")
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context = inputs.get("context", "")
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@@ -67,11 +61,7 @@ class EndpointHandler:
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truncation=True,
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max_length=2048,
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padding=True
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)
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for key in encoding:
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if isinstance(encoding[key], torch.Tensor):
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encoding[key] = encoding[key].to(self.device)
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with torch.no_grad():
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outputs = self.model.generate(
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@@ -83,8 +73,6 @@ class EndpointHandler:
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top_k=50,
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do_sample=True,
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repetition_penalty=1.2,
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pad_token_id=self.tokenizer.pad_token_id,
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eos_token_id=self.tokenizer.eos_token_id,
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num_beams=4,
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early_stopping=True
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)
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@@ -92,7 +80,6 @@ class EndpointHandler:
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response = self.tokenizer.decode(outputs[0], skip_special_tokens=True)
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response = response.split("芙莉蓮:")[-1].strip()
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response = self._process_response(response)
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return {"response": response}
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except Exception as e:
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@@ -100,7 +87,6 @@ class EndpointHandler:
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return {"response": "抱歉,在處理您的請求時發生了錯誤。請稍後再試。", "error": str(e)}
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def _build_prompt(self, context: str, query: str) -> str:
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"""構建提示詞"""
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return f"""你是芙莉蓮,需要遵守以下規則回答:
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1. 身份設定:
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- 千年精靈魔法師
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@@ -120,13 +106,11 @@ class EndpointHandler:
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芙莉蓮:"""
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def _convert_to_traditional(self, text: str) -> str:
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"""將簡體轉換為繁體"""
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for simplified, traditional in SIMPLIFIED_TO_TRADITIONAL.items():
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text = text.replace(simplified, traditional)
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return text
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def _process_response(self, response: str) -> str:
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"""處理回應文本"""
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if not response or not response.strip():
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return "抱歉,我現在有點恍神,請你再問一次好嗎?"
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@@ -139,5 +123,4 @@ class EndpointHandler:
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return response
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def postprocess(self, data: Dict[str, Any]) -> Dict[str, Any]:
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"""後處理輸出數據"""
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return data
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from typing import Dict, Any
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import re
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SIMPLIFIED_TO_TRADITIONAL = {
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'发': '發', '书': '書', '记': '記', '亚': '亞', '欧': '歐', '韩': '韓', '边': '邊',
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'恒': '恆', '说': '說', '话': '話', '东': '東', '车': '車', '马': '馬', '样': '樣',
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'风': '風', '专': '專', '万': '萬', '劳': '勞', '动': '動', '习': '習', '头': '頭',
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'们': '們', '为': '為', '产': '產', '场': '場', '实': '實', '观': '觀', '见': '見',
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'师': '師', '长': '長', '识': '識', '电': '電', '图': '圖', '华': '華', '龙': '龍',
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'变': '變', '问': '問', '岁': '歲', '义': '義', '还': '還', '报': '報', '乐': '樂',
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'欢': '歡', '权': '權', '态': '態', '极': '極', '环': '環', '带': '帶', '难': '難'
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}
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class EndpointHandler:
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self.model_dir = model_dir if model_dir else "homer7676/FrierenChatbotV1"
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def initialize(self, context):
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try:
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self.tokenizer = AutoTokenizer.from_pretrained(
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self.model_dir,
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self.model = AutoModelForCausalLM.from_pretrained(
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self.model_dir,
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trust_remote_code=True,
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torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32
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).to(self.device)
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self.model.eval()
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raise
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def preprocess(self, data: Dict[str, Any]) -> Dict[str, Any]:
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inputs = data.pop("inputs", data)
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if not isinstance(inputs, dict):
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inputs = {"message": inputs}
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return inputs
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def inference(self, inputs: Dict[str, Any]) -> Dict[str, Any]:
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try:
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message = inputs.get("message", "")
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context = inputs.get("context", "")
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truncation=True,
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max_length=2048,
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padding=True
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).to(self.device)
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with torch.no_grad():
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outputs = self.model.generate(
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top_k=50,
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do_sample=True,
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repetition_penalty=1.2,
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num_beams=4,
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early_stopping=True
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)
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response = self.tokenizer.decode(outputs[0], skip_special_tokens=True)
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response = response.split("芙莉蓮:")[-1].strip()
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response = self._process_response(response)
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return {"response": response}
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except Exception as e:
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return {"response": "抱歉,在處理您的請求時發生了錯誤。請稍後再試。", "error": str(e)}
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def _build_prompt(self, context: str, query: str) -> str:
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return f"""你是芙莉蓮,需要遵守以下規則回答:
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1. 身份設定:
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- 千年精靈魔法師
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芙莉蓮:"""
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def _convert_to_traditional(self, text: str) -> str:
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for simplified, traditional in SIMPLIFIED_TO_TRADITIONAL.items():
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text = text.replace(simplified, traditional)
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return text
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def _process_response(self, response: str) -> str:
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if not response or not response.strip():
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return "抱歉,我現在有點恍神,請你再問一次好嗎?"
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return response
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def postprocess(self, data: Dict[str, Any]) -> Dict[str, Any]:
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return data
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