This commit is contained in:
YILING0013
2025-02-03 13:00:03 +08:00
parent fd952ead97
commit 3f7b434cba
3 changed files with 889 additions and 435 deletions
+164 -135
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@@ -4,43 +4,49 @@ import os
import logging
import re
import traceback
from typing import Dict, List, Optional
from typing import TypedDict
from typing import List, Optional
# langchain 相关
from langchain_openai import ChatOpenAI
from langgraph.graph import StateGraph, START, END
from langchain_openai import OpenAIEmbeddings
from langchain_community.vectorstores import Chroma
from langchain.docstore.document import Document
# nltk、sentence_transformers 及文本处理相关
import nltk
import math
from sentence_transformers import SentenceTransformer
from sklearn.metrics.pairwise import cosine_similarity
# 工具函数
from utils import (
read_file, append_text_to_file, clear_file_content,
save_string_to_txt
)
# prompt模板
from prompt_definitions import (
# 设定相关
set_prompt, character_prompt, dark_lines_prompt,
finalize_setting_prompt, novel_directory_prompt,
# 写作流程相关
summary_prompt, update_character_state_prompt,
chapter_outline_prompt, chapter_write_prompt
)
# Ollama嵌入 (如使用Ollama时需要)
from embedding_ollama import OllamaEmbeddings
# 用于目录解析章节标题/简介
from chapter_directory_parser import get_chapter_info_from_directory
# ============ 日志配置 ============
logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
def debug_log(prompt: str, response_content: str):
"""
打印prompt和response的辅助函数
"""
logging.info(f"\n[Prompt >>>] {prompt}\n")
logging.info(f"[Response >>>] {response_content}\n")
# ============ 通用调用函数 ============
def remove_think_tags(text: str) -> str:
"""
移除 <think>...</think> 包裹的内容
@@ -59,6 +65,14 @@ def invoke_with_cleaning(model: ChatOpenAI, prompt: str) -> str:
debug_log(prompt, cleaned_text)
return cleaned_text.strip()
def debug_log(prompt: str, response_content: str):
"""
打印prompt和response的辅助函数
"""
logging.info(f"\n[Prompt >>>] {prompt}\n")
logging.info(f"[Response >>>] {response_content}\n")
# ============ 判断接口格式相关 ============
def is_using_ollama_api(interface_format: str, base_url: str) -> bool:
"""
@@ -72,6 +86,25 @@ def is_using_ml_studio_api(interface_format: str, base_url: str) -> bool:
"""
return interface_format.lower() == "ml studio"
# ============ 帮助函数:自动检查 & 补充 /v1 ============
import re
def ensure_openai_base_url_has_v1(url: str) -> str:
"""
如果用户输入的 url 不包含 '/v1',则在末尾追加 '/v1'
如果已经包含 '/v1',则不再重复追加。
"""
url = url.strip()
if not url:
return url
# 若末尾没有 /v\d+,但也没出现 /v1,才补上
if not re.search(r'/v\d+$', url):
if '/v1' not in url:
url = url.rstrip('/') + '/v1'
return url
# ============ 创建 Embeddings 对象 ============
def create_embeddings_object(
api_key: str,
@@ -84,21 +117,25 @@ def create_embeddings_object(
根据用户在UI中配置的参数,返回对应的 embeddings 对象。
- 当 interface_format = "Ollama" => OllamaEmbeddings(...)
- 当 interface_format = "OpenAI"/"ML Studio" => OpenAIEmbeddings(...)
- 其它情况可扩展
这里统一把 base_url/embed_url 处理为含 /v1。
"""
if is_using_ollama_api(interface_format, embed_url):
fixed_url = embed_url.rstrip("/")
# Ollama embedding接口通常是 /api/embed
fixed_url = fixed_url.replace("/v1", "/api")
return OllamaEmbeddings(
model_name=embedding_model_name,
base_url=fixed_url
)
elif is_using_ml_studio_api(interface_format, base_url):
return OpenAIEmbeddings(openai_api_key=api_key, openai_api_base=base_url)
else:
# 默认使用 OpenAIEmbeddings
return OpenAIEmbeddings(openai_api_key=api_key, openai_api_base=base_url)
# 对 OpenAI 或 ML Studio 统一用 OpenAIEmbeddings
# 并设置 model=embedding_model_name
# base_url/embed_url 若不含 /v1,需要自动补上
fixed_url = ensure_openai_base_url_has_v1(embed_url if embed_url else base_url)
return OpenAIEmbeddings(
openai_api_key=api_key,
openai_api_base=fixed_url,
model=embedding_model_name
)
# ============ 向量库相关 ============
VECTOR_STORE_DIR = os.path.join(os.getcwd(), "vectorstore")
@@ -107,7 +144,7 @@ if not os.path.exists(VECTOR_STORE_DIR):
def clear_vector_store():
"""
清空本地向量库(删除 vectorstore 文件夹内的内容)
清空本地向量库(删除 vectorstore 文件夹内的所有内容)
"""
if os.path.exists(VECTOR_STORE_DIR):
import shutil
@@ -124,6 +161,7 @@ def clear_vector_store():
else:
logging.info("No vector store found to clear.")
def init_vector_store(
api_key: str,
base_url: str,
@@ -143,7 +181,7 @@ def init_vector_store(
interface_format=interface_format,
embedding_model_name=embedding_model_name
)
documents = [Document(page_content=t) for t in texts]
documents = [Document(page_content=str(t)) for t in texts] # 确保是字符串
vectorstore = Chroma.from_documents(
documents,
embedding=embeddings,
@@ -152,6 +190,7 @@ def init_vector_store(
vectorstore.persist()
return vectorstore
def load_vector_store(
api_key: str,
base_url: str,
@@ -163,8 +202,9 @@ def load_vector_store(
读取已存在的向量库。若不存在则返回 None。
"""
if not os.path.exists(VECTOR_STORE_DIR):
logging.info("Vector store not found. Initializing a new one...")
logging.info("Vector store not found. Will return None.")
return None
embed_url = embedding_base_url if embedding_base_url else base_url
embeddings = create_embeddings_object(
api_key=api_key,
@@ -175,6 +215,7 @@ def load_vector_store(
)
return Chroma(persist_directory=VECTOR_STORE_DIR, embedding_function=embeddings)
def update_vector_store(
api_key: str,
base_url: str,
@@ -194,7 +235,6 @@ def update_vector_store(
embedding_base_url=embedding_base_url
)
# 如果向量库不存在,初始化它
if not store:
logging.info("Vector store does not exist. Initializing a new one for new chapter...")
init_vector_store(
@@ -207,11 +247,12 @@ def update_vector_store(
)
return
new_doc = Document(page_content=new_chapter)
new_doc = Document(page_content=str(new_chapter))
store.add_documents([new_doc])
store.persist()
logging.info("Vector store updated with the new chapter.")
def get_relevant_context_from_vector_store(
api_key: str,
base_url: str,
@@ -223,7 +264,7 @@ def get_relevant_context_from_vector_store(
) -> str:
"""
从向量库中检索与 query 最相关的 k 条文本,拼接后返回。
若向量库不存在或没有足够内容,则返回空字符串。
若向量库不存在或没有足够内容,则返回空字符串。
"""
store = load_vector_store(
api_key=api_key,
@@ -232,8 +273,6 @@ def get_relevant_context_from_vector_store(
embedding_model_name=embedding_model_name,
embedding_base_url=embedding_base_url
)
# 如果向量库为空,直接返回空字符串
if not store:
logging.info("No vector store found. Returning empty context.")
return ""
@@ -246,19 +285,9 @@ def get_relevant_context_from_vector_store(
combined = "\n".join([d.page_content for d in docs])
return combined
# ============ 多步生成:设置 & 目录 ============
class OverallState(TypedDict):
topic: str
genre: str
number_of_chapters: int
word_number: int
novel_setting_base: str
character_setting: str
dark_lines: str
final_novel_setting: str
novel_directory: str
def Novel_novel_directory_generate(
# ============ 1. 独立:生成小说“设定” (Novel_setting.txt) ============
def Novel_setting_generate(
api_key: str,
base_url: str,
llm_model: str,
@@ -270,112 +299,104 @@ def Novel_novel_directory_generate(
temperature: float = 0.7
) -> None:
"""
使用多步流程,生成 Novel_setting.txt 与 Novel_directory.txt 并保存到 filepath。
分步生成 Novel_setting.txt (含世界观、角色信息、暗线等)
不包括目录。
"""
os.makedirs(filepath, exist_ok=True)
model = ChatOpenAI(
model=llm_model,
api_key=api_key,
base_url=base_url,
base_url=ensure_openai_base_url_has_v1(base_url), # 确保带 /v1
temperature=temperature
)
def generate_base_setting(state: OverallState) -> Dict[str, str]:
prompt = set_prompt.format(
topic=state["topic"],
genre=state["genre"],
number_of_chapters=state["number_of_chapters"],
word_number=state["word_number"]
# Step1: 基础设定
prompt_base = set_prompt.format(
topic=topic,
genre=genre,
number_of_chapters=number_of_chapters,
word_number=word_number
)
result_text = invoke_with_cleaning(model, prompt)
return {"novel_setting_base": result_text}
base_setting = invoke_with_cleaning(model, prompt_base)
def generate_character_setting(state: OverallState) -> Dict[str, str]:
prompt = character_prompt.format(
novel_setting=state["novel_setting_base"]
# Step2: 角色设定
prompt_char = character_prompt.format(
novel_setting=base_setting
)
result_text = invoke_with_cleaning(model, prompt)
return {"character_setting": result_text}
character_setting = invoke_with_cleaning(model, prompt_char)
def generate_dark_lines(state: OverallState) -> Dict[str, str]:
prompt = dark_lines_prompt.format(
character_info=state["character_setting"]
# Step3: 暗线/雷点
prompt_dark = dark_lines_prompt.format(
character_info=character_setting
)
result_text = invoke_with_cleaning(model, prompt)
return {"dark_lines": result_text}
dark_lines = invoke_with_cleaning(model, prompt_dark)
def finalize_novel_setting_func(state: OverallState) -> Dict[str, str]:
prompt = finalize_setting_prompt.format(
novel_setting_base=state["novel_setting_base"],
character_setting=state["character_setting"],
dark_lines=state["dark_lines"]
# Step4: 最终整合为“小说设定”
prompt_final = finalize_setting_prompt.format(
novel_setting_base=base_setting,
character_setting=character_setting,
dark_lines=dark_lines
)
result_text = invoke_with_cleaning(model, prompt)
return {"final_novel_setting": result_text}
def generate_novel_directory_func(state: OverallState) -> Dict[str, str]:
prompt = novel_directory_prompt.format(
final_novel_setting=state["final_novel_setting"],
number_of_chapters=state["number_of_chapters"]
)
result_text = invoke_with_cleaning(model, prompt)
return {"novel_directory": result_text}
graph = StateGraph(OverallState)
graph.add_node("generate_base_setting", generate_base_setting)
graph.add_node("generate_character_setting", generate_character_setting)
graph.add_node("generate_dark_lines", generate_dark_lines)
graph.add_node("finalize_novel_setting", finalize_novel_setting_func)
graph.add_node("generate_novel_directory", generate_novel_directory_func)
graph.add_edge(START, "generate_base_setting")
graph.add_edge("generate_base_setting", "generate_character_setting")
graph.add_edge("generate_character_setting", "generate_dark_lines")
graph.add_edge("generate_dark_lines", "finalize_novel_setting")
graph.add_edge("finalize_novel_setting", "generate_novel_directory")
graph.add_edge("generate_novel_directory", END)
app = graph.compile()
input_params = {
"topic": topic,
"genre": genre,
"number_of_chapters": number_of_chapters,
"word_number": word_number
}
result = app.invoke(input_params)
if not result:
logging.warning("Novel_novel_directory_generate: invoke() 结果为空,生成失败。")
return
final_novel_setting = result.get("final_novel_setting", "")
final_novel_directory = result.get("novel_directory", "")
if not final_novel_setting or not final_novel_directory:
logging.warning("生成失败:缺少 final_novel_setting 或 novel_directory。")
return
final_novel_setting = invoke_with_cleaning(model, prompt_final)
# 写入 Novel_setting.txt
filename_set = os.path.join(filepath, "Novel_setting.txt")
filename_novel_directory = os.path.join(filepath, "Novel_directory.txt")
def clean_text(txt: str) -> str:
return txt.replace('#', '').replace('*', '')
final_novel_setting_cleaned = clean_text(final_novel_setting)
final_novel_directory_cleaned = clean_text(final_novel_directory)
# 改进:写文件时先清空再写入
clear_file_content(filename_set)
final_novel_setting_cleaned = final_novel_setting.replace('#', '').replace('*', '')
save_string_to_txt(final_novel_setting_cleaned, filename_set)
clear_file_content(filename_novel_directory)
save_string_to_txt(final_novel_directory_cleaned, filename_novel_directory)
logging.info("Novel_setting.txt has been generated successfully.")
logging.info("Novel settings and directory generated successfully.")
# ============ 获取最近N章内容,生成短期摘要 ============
# ============ 2. 独立:基于已有设定,生成小说目录 (Novel_directory.txt) ============
def Novel_directory_generate(
api_key: str,
base_url: str,
llm_model: str,
number_of_chapters: int,
filepath: str,
temperature: float = 0.7
) -> None:
"""
基于先前已经生成并保存的 Novel_setting.txt,来生成 Novel_directory.txt
"""
# 读取已有的小说设定
filename_set = os.path.join(filepath, "Novel_setting.txt")
final_novel_setting = read_file(filename_set).strip()
if not final_novel_setting:
logging.warning("Novel_setting.txt 内容为空,请先生成小说设定。")
return
model = ChatOpenAI(
model=llm_model,
api_key=api_key,
base_url=ensure_openai_base_url_has_v1(base_url),
temperature=temperature
)
# 生成目录
prompt_dir = novel_directory_prompt.format(
final_novel_setting=final_novel_setting,
number_of_chapters=number_of_chapters
)
final_novel_directory = invoke_with_cleaning(model, prompt_dir)
if not final_novel_directory.strip():
logging.warning("Novel_directory生成结果为空。")
return
# 写入 Novel_directory.txt
filename_dir = os.path.join(filepath, "Novel_directory.txt")
clear_file_content(filename_dir)
final_novel_directory_cleaned = final_novel_directory.replace('#', '').replace('*', '')
save_string_to_txt(final_novel_directory_cleaned, filename_dir)
logging.info("Novel_directory.txt has been generated successfully.")
# ============ 获取最近 N 章内容,生成短期摘要 ============
def get_last_n_chapters_text(chapters_dir: str, current_chapter_num: int, n: int = 3) -> List[str]:
"""
从指定文件夹中,读取最近 n 章的内容(如果存在),并按从旧到新的顺序返回文本列表。
@@ -390,6 +411,7 @@ def get_last_n_chapters_text(chapters_dir: str, current_chapter_num: int, n: int
if text:
texts.append(text)
if len(texts) < n:
# 如果前面章节不足 n 章,用空字符串填充
texts = [''] * (n - len(texts)) + texts
return texts
@@ -411,7 +433,7 @@ def summarize_recent_chapters(
model = ChatOpenAI(
model=llm_model,
api_key=api_key,
base_url=base_url,
base_url=ensure_openai_base_url_has_v1(base_url),
temperature=temperature
)
@@ -423,11 +445,11 @@ def summarize_recent_chapters(
summary_text = invoke_with_cleaning(model, prompt)
if not summary_text:
# 若模型无响应,就截取一段作为“备选”
return combined_text[:800] + "..." if len(combined_text) > 800 else combined_text
return (combined_text[:800] + "...") if len(combined_text) > 800 else combined_text
return summary_text
# ============ 新增:剧情要点/未解决冲突 ============
# ============ 剧情要点/未解决冲突 ============
PLOT_ARCS_PROMPT = """\
下面是新生成的章节内容:
{chapter_text}
@@ -451,7 +473,7 @@ def update_plot_arcs(
model = ChatOpenAI(
model=model_name,
api_key=api_key,
base_url=base_url,
base_url=ensure_openai_base_url_has_v1(base_url),
temperature=temperature
)
prompt = PLOT_ARCS_PROMPT.format(
@@ -464,7 +486,8 @@ def update_plot_arcs(
return old_plot_arcs
return arcs_text
# ============ 生成章节草稿 & 定稿 ============
# ============ 生成章节草稿 ============
def generate_chapter_draft(
novel_settings: str,
global_summary: str,
@@ -486,12 +509,12 @@ def generate_chapter_draft(
"""
生成当前章节的草稿,不更新全局摘要/角色状态/向量库。
"""
# 根据目录信息获取本章标题、简介
# 1) 从目录中获取本章标题、简介
chapter_info = get_chapter_info_from_directory(novel_novel_directory, novel_number)
chapter_title = chapter_info["chapter_title"]
chapter_brief = chapter_info["chapter_brief"]
# 从向量库检索上下文
# 2) 从向量库检索上下文
queries = []
if user_guidance.strip():
queries.append(user_guidance)
@@ -515,14 +538,15 @@ def generate_chapter_draft(
if not relevant_context:
relevant_context = "暂无相关内容。"
# 创建 ChatOpenAI,用于大纲和写作
model = ChatOpenAI(
model=model_name,
api_key=api_key,
base_url=base_url,
base_url=ensure_openai_base_url_has_v1(base_url),
temperature=temperature
)
# 1) 生成本章大纲
# 3) 生成本章大纲
outline_prompt_text = chapter_outline_prompt.format(
novel_setting=novel_settings,
character_state=character_state + "\n\n【检索到的上下文】\n" + relevant_context,
@@ -542,7 +566,7 @@ def generate_chapter_draft(
clear_file_content(outline_file)
save_string_to_txt(chapter_outline, outline_file)
# 2) 生成正文草稿
# 4) 生成正文草稿
writing_prompt_text = chapter_write_prompt.format(
novel_setting=novel_settings,
character_state=character_state + "\n\n【检索到的上下文】\n" + relevant_context,
@@ -566,6 +590,8 @@ def generate_chapter_draft(
logging.info(f"[Draft] Chapter {novel_number} generated as a draft.")
return chapter_content
# ============ 定稿章节 ============
def finalize_chapter(
novel_number: int,
word_number: int,
@@ -618,7 +644,7 @@ def finalize_chapter(
model = ChatOpenAI(
model=model_name,
api_key=api_key,
base_url=base_url,
base_url=ensure_openai_base_url_has_v1(base_url),
temperature=temperature
)
@@ -672,6 +698,7 @@ def finalize_chapter(
logging.info(f"Chapter {novel_number} has been finalized.")
def enrich_chapter_text(
chapter_text: str,
word_number: int,
@@ -686,7 +713,7 @@ def enrich_chapter_text(
model = ChatOpenAI(
model=model_name,
api_key=api_key,
base_url=base_url,
base_url=ensure_openai_base_url_has_v1(base_url),
temperature=temperature
)
prompt = f"""以下是当前章节文本,可能篇幅较短,请在保持剧情连贯的前提下进行扩写,使其更充实、生动,并尽量靠近目标 {word_number} 字数。
@@ -696,6 +723,7 @@ def enrich_chapter_text(
enriched_text = invoke_with_cleaning(model, prompt)
return enriched_text if enriched_text else chapter_text
# ============ 导入外部知识文本 ============
def import_knowledge_file(
api_key: str,
@@ -719,7 +747,6 @@ def import_knowledge_file(
return
nltk.download('punkt', quiet=True)
nltk.download('punkt_tab', quiet=True)
paragraphs = advanced_split_content(content)
@@ -736,16 +763,17 @@ def import_knowledge_file(
)
return
docs = [Document(page_content=p) for p in paragraphs]
docs = [Document(page_content=str(p)) for p in paragraphs]
store.add_documents(docs)
store.persist()
logging.info("知识库文件已成功导入至向量库。")
def advanced_split_content(content: str,
similarity_threshold: float = 0.7,
max_length: int = 500) -> List[str]:
"""
将文本先按句子切分,然后根据语义相似度进行合并,最后按max_length二次切分。
将文本先按句子切分,然后根据语义相似度进行合并,最后按 max_length 二次切分。
可根据需要微调此逻辑。
"""
sentences = nltk.sent_tokenize(content)
@@ -782,6 +810,7 @@ def advanced_split_content(content: str,
return final_segments
def split_by_length(text: str, max_length: int = 500) -> List[str]:
segments = []
start_idx = 0
+701 -276
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