如何用Python源码做影视字幕翻译 Python源码整合翻译接口调用技巧

import pysrt import requests # 假设我们用requests库来调用翻译API import json  def parse_srt(filepath):     """解析SRT文件，返回字幕对象列表"""     try:         subs = pysrt.open(filepath, encoding='utf-8')         return subs     except Exception as e:         print(f"Error opening or parsing SRT file: {e}")         # 尝试其他编码，例如'gbk'，但这需要更复杂的逻辑，这里简化         try:             subs = pysrt.open(filepath, encoding='gbk')             return subs         except Exception as e:             print(f"Could not open SRT with UTF-8 or GBK: {e}")             return None  def call_translation_api(text, target_language='zh', api_key='YOUR_API_KEY', api_url='YOUR_API_ENDPOINT'):     """     模拟调用翻译API的函数。     实际应用中，这里需要根据具体的翻译服务（如Google Cloud Translation, DeepL, Baidu Translate等）     来构建请求头、请求体，并处理响应。     """     headers = {         'Content-Type': 'application/json',         # 'Authorization': f'Bearer {api_key}' # 某些API需要Bearer Token     }     payload = {         'q': text,         'target': target_language,         # 其他API特有的参数     }      try:         # 这是一个占位符，实际需要替换为具体的api调用逻辑         # response = requests.post(api_url, headers=headers, data=json.dumps(payload))         # response.raise_for_status() # 检查http错误         # translated_data = response.json()         # translated_text = translated_data['data']['translations'][0]['translatedText'] # 示例路径          # 模拟翻译结果         translated_text = f"[Translated to {target_language}] {text}"         print(f"Translating: '{text[:50]}...' -> '{translated_text[:50]}...'")         return translated_text     except requests.exceptions.RequestException as e:         print(f"API call failed: {e}")         return None     except json.JSONDecodeError:         print("Failed to decode JSON response from API.")         return None     except Exception as e:         print(f"An unexpected error occurred during API call: {e}")         return None  def translate_srt_workflow(input_srt_path, output_srt_path, target_lang='zh'):     """主翻译工作流"""     original_subs = parse_srt(input_srt_path)     if not original_subs:         print("Failed to load original subtitles. Exiting.")         return      translated_subs = pysrt.SubRipFile()     for i, sub in enumerate(original_subs):         original_text = sub.text         # 这里你可以根据需要，对文本进行预处理，比如去除HTML标签等          translated_text = call_translation_api(original_text, target_lang)          if translated_text:             # 创建新的字幕项，保留原始时间轴，替换文本             new_sub = pysrt.SubRipItem(index=sub.index, start=sub.start, end=sub.end, text=translated_text)             translated_subs.append(new_sub)         else:             print(f"Skipping subtitle {sub.index} due to translation failure.")             # 也可以选择保留原文             translated_subs.append(sub)           # 简单的进度提示         if (i + 1) % 50 == 0:             print(f"Processed {i + 1} subtitles...")      try:         translated_subs.save(output_srt_path, encoding='utf-8')         print(f"nTranslation complete. Translated subtitles saved to: {output_srt_path}")     except Exception as e:         print(f"Error saving translated SRT file: {e}")  # 示例用法 (实际运行时请替换为你的文件路径、API Key和API Endpoint) # input_file = "path/to/your/original_subtitle.srt" # output_file = "path/to/your/translated_subtitle_zh.srt" # target_language_code = "zh-CN" # 例如：'zh-CN', 'en', 'fr'  # translate_srt_workflow(input_file, output_file, target_language_code)

import chardet  def robust_open_srt(filepath):     """尝试用多种编码打开SRT文件，或检测编码"""     try:         return pysrt.open(filepath, encoding='utf-8')     except UnicodeDecodeError:         print("UTF-8 decode failed, trying to detect encoding...")         with open(filepath, 'rb') as f:             raw_data = f.read(10000) # 读取文件开头一部分用于检测             result = chardet.detect(raw_data)             detected_encoding = result['encoding']             print(f"Detected encoding: {detected_encoding} with confidence {result['confidence']:.2f}")         try:             return pysrt.open(filepath, encoding=detected_encoding)         except Exception as e:             print(f"Failed to open with detected encoding {detected_encoding}: {e}")             return None     except Exception as e:         print(f"An unexpected error occurred while opening SRT: {e}")         return None  # 在主工作流中替换 pysrt.open() 的调用 # original_subs = robust_open_srt(input_srt_path)