from abc import ABC, abstractmethod
 
class TranslatorBase(ABC):
    @abstractmethod
    def translate(self, text: str, src: str, dst: str) -> dict:
        """必須返回包含'text'和'provider'的字典"""
        pass
 
    @property
    @abstractmethod
    def name(self) -> str:
        pass

import requests
 
class BaiduTranslator(TranslatorBase):
    API_URL = "https://fanyi-api.baidu.com/api/trans/vip/translate"
    
    def __init__(self, appid: str, secret: str):
        self.appid = appid
        self.salt = str(int(time.time()))
        self.secret = secret
 
    def translate(self, text, src, dst):
        sign = self._generate_sign(text)
        resp = requests.get(self.API_URL, params={
            'q': text,
            'from': src,
            'to': dst,
            'appid': self.appid,
            'salt': self.salt,
            'sign': sign
        })
        # 解析響應(yīng)邏輯...

class SmartRouter:
    def __init__(self):
        self.engines = []
        self.weights = {}
        self.rtt_history = defaultdict(list)
 
    def add_engine(self, engine: TranslatorBase):
        self.engines.append(engine)
        self.weights[engine.name] = 1.0
 
    def select_engine(self, text: str) -> TranslatorBase:
        # 動態(tài)權(quán)重計算邏輯...
        return max(self.engines, key=lambda e: self.weights[e.name])

from PySide6.QtCore import QRunnable, QThreadPool, Signal
 
class TranslationTask(QRunnable):
    result_ready = Signal(dict)
 
    def __init__(self, engine: TranslatorBase, text: str, src: str, dst: str):
        super().__init__()
        self.engine = engine
        self.text = text
        self.src = src
        self.dst = dst
 
    def run(self):
        try:
            result = self.engine.translate(self.text, self.src, self.dst)
            self.result_ready.emit(result)
        except Exception as e:
            self.result_ready.emit({'error': str(e)})

# 動態(tài)調(diào)整文本框高度
self.input_text.textChanged.connect(lambda: 
    self.output_text.setFixedHeight(self.input_text.height()))
 
# 快捷鍵支持
QShortcut(QKeySequence("Ctrl+Return"), self).activated.connect(self.translate)

class StatusBar(QStatusBar):
    def start_translation(self):
        self.showMessage("Translating...", 5000)
        self.progress_bar.setRange(0, 0)  # 開啟無限進(jìn)度條
 
    def finish_translation(self, success: bool):
        self.progress_bar.setRange(0, 1)
        self.showMessage("Done" if success else "Failed", 3000)

from functools import lru_cache
 
class CacheManager:
    def __init__(self, max_size=100):
        self.cache = lru_cache(maxsize=max_size)
 
    @cache
    def get_translation(self, text: str, src: str, dst: str) -> str:
        # 實際調(diào)用翻譯引擎...

def safe_translate(self, text: str, retries=3):
    for _ in range(retries):
        try:
            return self.router.translate(text)
        except TranslationError:
            self.router.mark_engine_down()
    return self.fallback_translator.translate(text)

# setup.py
entry_points={
    'transmate.translators': [
        'google = transmate.google:GoogleTranslator',
        'baidu = transmate.baidu:BaiduTranslator'
    ]
}