126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
#novel_generator/finalization.py
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# -*- coding: utf-8 -*-
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"""
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定稿章节和扩写章节（finalize_chapter、enrich_chapter_text）
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"""
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import os
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import logging
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from llm_adapters import create_llm_adapter
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from embedding_adapters import create_embedding_adapter
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from prompt_definitions import summary_prompt, update_character_state_prompt
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from novel_generator.common import invoke_with_cleaning
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from utils import read_file, clear_file_content, save_string_to_txt
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from novel_generator.vectorstore_utils import update_vector_store
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logging.basicConfig(
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filename='app.log', # 日志文件名
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filemode='a', # 追加模式（'w' 会覆盖）
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level=logging.INFO, # 记录 INFO 及以上级别的日志
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S'
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)
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def finalize_chapter(
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novel_number: int,
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word_number: int,
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api_key: str,
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base_url: str,
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model_name: str,
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temperature: float,
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filepath: str,
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embedding_api_key: str,
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embedding_url: str,
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embedding_interface_format: str,
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embedding_model_name: str,
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interface_format: str,
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max_tokens: int,
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timeout: int = 600
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):
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"""
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对指定章节做最终处理：更新前文摘要、更新角色状态、插入向量库等。
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默认无需再做扩写操作，若有需要可在外部调用 enrich_chapter_text 处理后再定稿。
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"""
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chapters_dir = os.path.join(filepath, "chapters")
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chapter_file = os.path.join(chapters_dir, f"chapter_{novel_number}.txt")
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chapter_text = read_file(chapter_file).strip()
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if not chapter_text:
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logging.warning(f"Chapter {novel_number} is empty, cannot finalize.")
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return
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global_summary_file = os.path.join(filepath, "global_summary.txt")
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old_global_summary = read_file(global_summary_file)
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character_state_file = os.path.join(filepath, "character_state.txt")
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old_character_state = read_file(character_state_file)
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llm_adapter = create_llm_adapter(
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interface_format=interface_format,
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base_url=base_url,
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model_name=model_name,
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api_key=api_key,
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temperature=temperature,
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max_tokens=max_tokens,
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timeout=timeout
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)
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prompt_summary = summary_prompt.format(
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chapter_text=chapter_text,
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global_summary=old_global_summary
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)
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new_global_summary = invoke_with_cleaning(llm_adapter, prompt_summary)
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if not new_global_summary.strip():
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new_global_summary = old_global_summary
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prompt_char_state = update_character_state_prompt.format(
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chapter_text=chapter_text,
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old_state=old_character_state
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)
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new_char_state = invoke_with_cleaning(llm_adapter, prompt_char_state)
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if not new_char_state.strip():
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new_char_state = old_character_state
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clear_file_content(global_summary_file)
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save_string_to_txt(new_global_summary, global_summary_file)
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clear_file_content(character_state_file)
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save_string_to_txt(new_char_state, character_state_file)
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update_vector_store(
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embedding_adapter=create_embedding_adapter(
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embedding_interface_format,
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embedding_api_key,
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embedding_url,
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embedding_model_name
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),
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new_chapter=chapter_text,
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filepath=filepath
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)
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logging.info(f"Chapter {novel_number} has been finalized.")
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def enrich_chapter_text(
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chapter_text: str,
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word_number: int,
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api_key: str,
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base_url: str,
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model_name: str,
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temperature: float,
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interface_format: str,
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max_tokens: int,
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timeout: int=600
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) -> str:
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"""
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对章节文本进行扩写，使其更接近 word_number 字数，保持剧情连贯。
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"""
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llm_adapter = create_llm_adapter(
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interface_format=interface_format,
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base_url=base_url,
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model_name=model_name,
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api_key=api_key,
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temperature=temperature,
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max_tokens=max_tokens,
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timeout=timeout
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)
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prompt = f"""以下章节文本较短，请在保持剧情连贯的前提下进行扩写，使其更充实，接近 {word_number} 字左右，仅给出最终文本，不要解释任何内容。：
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原内容：
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{chapter_text}
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"""
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enriched_text = invoke_with_cleaning(llm_adapter, prompt)
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return enriched_text if enriched_text else chapter_text
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