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Upload 6 files
Browse files- .env.example +31 -0
- LICENSE +21 -0
- README.md +31 -14
- app.py +345 -329
- deal_data.py +136 -0
- requirements.txt +9 -4
.env.example
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# ====================================== 使用说明 ======================================
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# 1. 将 .env.example 文件复制为 .env 文件
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# 2. 在 .env 文件中填写相应的 API KEY 和 URL
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# 3. 运行 chat.py 文件便可开启聊天
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# ====================================== LLM 配置 (必填) ======================================
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OPENAI_API_KEY="" # 默认令牌
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# OPENAI_BASE_URL="" # 默认 URL
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# GitHub API token
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GITHUB_TOKEN="" # 若不运行 deal_data.py 则不需要
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GITHUB_API_URL="https://api.github.com"
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# ====================================== 其他代理配置(选填) ======================================
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# 代理令牌
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# OPENAI_API_KEY_CD="" # 代理 Claude
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# OPENAI_API_KEY_AZ="" # 代理 纯AZ
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# OPENAI_API_KEY_O1="" # 代理 O1
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# OPENAI_API_KEY_DF="" # 代理 default
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# OPENAI_API_KEY_SC="" # 硅基流动 Silicon Flow
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# OPENAI_API_KEY_GLM="" # 智谱华章 BigModel
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# 代理 URL
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# OPENAI_BASE_URL="" # 代理 URL
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# OPENAI_BASE_URL_SC="https://api.siliconflow.cn/v1" # 硅基流动 URL
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# OPENAI_BASE_URL_GLM="https://open.bigmodel.cn/api/paas/v4/" # 智谱华章 URL
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LICENSE
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MIT License
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Copyright (c) 2024 Zenghao Niu
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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README.md
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# github-semantic-search
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基于向量匹配及 LLM 二次过滤的 Github 仓库搜索工具:拒绝重复造轮子,快速找到已有高质量仓库
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Vector Matching and LLM-Based Secondary Filtering for GitHub Repository Search: Avoiding Reinvention and Rapidly Identifying High-Quality Existing Repositories
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## 使用
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### 1. 在线使用
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访问 [https://huggingface.co/spaces/zhaoyu/github-semantic-search](https://huggingface.co/spaces/zhaoyu/github-semantic-search)
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### 2. 本地运行
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```bash
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# 1. 安装依赖
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pip install -r requirements.txt
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# 2. 获取 github 仓库数据 + 向量化存储
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python deal_data.py
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# 3. 运行聊天界面
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python chat.py
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```
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## 功能
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- 基于向量匹配的 Github 仓库搜索
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- 基于 LLM 的仓库二次过滤
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- 基于 LLM 的仓库关键词扩展
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- 基于 LLM 的仓库描述生成
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app.py
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import
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import gradio as gr
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from langchain_openai import ChatOpenAI
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main()
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import os
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import time
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import json
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import asyncio
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import gradio as gr
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# set the env
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from dotenv import load_dotenv
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load_dotenv()
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# get the root path of the project
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current_file_path = os.path.dirname(os.path.abspath(__file__))
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root_path = os.path.abspath(current_file_path)
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from textwrap import dedent
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from langchain_openai import ChatOpenAI
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from langchain_openai import OpenAIEmbeddings
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from langchain_community.vectorstores import FAISS
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from langchain_core.prompts import ChatPromptTemplate
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class OurLLM:
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def __init__(self, model="gpt-4o"):
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'''
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params:
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model: str,
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模型名称 ["GLM-4-Flash", "GLM-4V-Flash",
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"gpt-4o-mini", "gpt-4o", "o1-mini",
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"gemini-1.5-flash-002", "gemini-1.5-pro-002",
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"Qwen/Qwen2.5-7B-Instruct", "Qwen/Qwen2.5-Coder-7B-Instruct"]
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'''
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self.model_name = model
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OPENAI_API_KEY = os.getenv('OPENAI_API_KEY')
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OPENAI_API_KEY_DF = os.getenv('OPENAI_API_KEY_DF', OPENAI_API_KEY)
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OPENAI_API_KEY_AZ = os.getenv('OPENAI_API_KEY_AZ', OPENAI_API_KEY)
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OPENAI_API_KEY_CD = os.getenv('OPENAI_API_KEY_CD')
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OPENAI_API_KEY_O1 = os.getenv('OPENAI_API_KEY_O1')
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OPENAI_API_KEY_GLM = os.getenv('OPENAI_API_KEY_GLM')
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OPENAI_API_KEY_SC = os.getenv('OPENAI_API_KEY_SC')
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OPENAI_BASE_URL = os.getenv('OPENAI_BASE_URL')
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OPENAI_BASE_URL_GLM = os.getenv('OPENAI_BASE_URL_GLM')
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OPENAI_BASE_URL_SC = os.getenv('OPENAI_BASE_URL_SC')
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# 创建 API Key 映射
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apiKeyMap = {
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'gemini': {"base_url": OPENAI_BASE_URL, "api_key": OPENAI_API_KEY_DF},
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'gpt': {"base_url": OPENAI_BASE_URL, "api_key": OPENAI_API_KEY_AZ},
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'o1': {"base_url": OPENAI_BASE_URL, "api_key": OPENAI_API_KEY_O1},
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'claude': {"base_url": OPENAI_BASE_URL, "api_key": OPENAI_API_KEY_CD},
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| 52 |
+
'glm': {"base_url": OPENAI_BASE_URL_GLM, "api_key": OPENAI_API_KEY_GLM},
|
| 53 |
+
'qwen': {"base_url": OPENAI_BASE_URL_SC, "api_key": OPENAI_API_KEY_SC},
|
| 54 |
+
}
|
| 55 |
+
|
| 56 |
+
for name, info in apiKeyMap.items():
|
| 57 |
+
if name in model.lower():
|
| 58 |
+
self.base_url = info["base_url"]
|
| 59 |
+
self.api_key = info["api_key"]
|
| 60 |
+
break
|
| 61 |
+
assert self.base_url is not None, f"Base URL not found for model: {model}"
|
| 62 |
+
assert self.api_key is not None, f"API key not found for model: {model}"
|
| 63 |
+
|
| 64 |
+
chat_prompt = ChatPromptTemplate.from_messages(
|
| 65 |
+
[
|
| 66 |
+
("system", "{system_prompt}"),
|
| 67 |
+
("human", "{input}"),
|
| 68 |
+
# ("ai", "{chat_history}"),
|
| 69 |
+
]
|
| 70 |
+
)
|
| 71 |
+
self.chat_prompt = chat_prompt
|
| 72 |
+
self.llm = self.get_llm(model)
|
| 73 |
+
|
| 74 |
+
def clean_json(self, s):
|
| 75 |
+
return s.replace("```json", "").replace("```", "").strip()
|
| 76 |
+
|
| 77 |
+
def get_system_prompt(self, mode="assistant"):
|
| 78 |
+
prompt_map = {
|
| 79 |
+
"assistant": dedent("""
|
| 80 |
+
你是一个智能助手,擅长用简洁的中文回答用户的问题。
|
| 81 |
+
请确保你的回答准确、清晰、有条理,并且符合中文的语言习惯。
|
| 82 |
+
重要提示:
|
| 83 |
+
1. 回答要简洁明了,避免冗长
|
| 84 |
+
2. 使用适当的专业术语
|
| 85 |
+
3. 保持客观中立的语气
|
| 86 |
+
4. 如果不确定,要明确指出
|
| 87 |
+
"""),
|
| 88 |
+
# search
|
| 89 |
+
"keyword_expand": dedent("""
|
| 90 |
+
你是一个搜索关键词扩展专家,擅长将用户的搜索意图转化为多个相关的搜索词或短语。
|
| 91 |
+
用户会输入一段描述他们搜索需求的文本,请你生成与之相关的关键词列表。
|
| 92 |
+
你需要返回一个可以直接被 json 库解析的响应,包含以下内容:
|
| 93 |
+
{
|
| 94 |
+
"keywords": [关键词列表],
|
| 95 |
+
}
|
| 96 |
+
重要提示:
|
| 97 |
+
1. 关键词应该包含同义词、近义词、上位词、下位词
|
| 98 |
+
2. 短语要体现不同的表达方式和组合
|
| 99 |
+
3. 描述句子要涵盖不同的应用场景和用途
|
| 100 |
+
4. 所有内容必须与原始搜索意图高度相关
|
| 101 |
+
5. 扩展搜索意图到相关的应用场景和工具,例如:
|
| 102 |
+
- 如果搜索"PDF转MD",应包含PDF内容提取、PDF解析工具、PDF数据处理等
|
| 103 |
+
- 如果搜索"图片压缩",应包含批量压缩工具、图片格式转换等
|
| 104 |
+
- 如果搜索"代码格式化",应包含代码美化工具、语法检查器、代码风格统一等
|
| 105 |
+
- 如果搜索"文本翻译",应包含机器翻译API、多语言翻译工具、离线翻译软件等
|
| 106 |
+
- 如果搜索"数据可视化",应包含图表生成工具、数据分析库、交互式图表等
|
| 107 |
+
- 如果搜索"网络爬虫",应包含数据采集框架、反爬虫绕过、数据解析工具等
|
| 108 |
+
- 如果搜索"API测试",应包含接口测试工具、性能监控、自动化测试框架等
|
| 109 |
+
6. 所有内容主要使用英文表达,并对部分关键词添加额外的中文表示
|
| 110 |
+
7. 返回内容不要使用任何 markdown 格式 以及任何特殊字符
|
| 111 |
+
"""),
|
| 112 |
+
"zh2en": dedent("""
|
| 113 |
+
你是一个专业的中译英翻译专家,尤其擅长学术论文的翻译工作。
|
| 114 |
+
请将用户提供的中文内容翻译成地道、专业的英文。
|
| 115 |
+
|
| 116 |
+
重要提示:
|
| 117 |
+
1. 使用学术论文常用的表达方式和术语
|
| 118 |
+
2. 保持专业、正式的语气
|
| 119 |
+
3. 确保译文的准确性和流畅性
|
| 120 |
+
4. 对专业术语进行准确翻译
|
| 121 |
+
5. 遵循英文学术写作的语法规范
|
| 122 |
+
6. 保持原文的逻辑结构
|
| 123 |
+
7. 适当使用学术论文常见的过渡词和连接词
|
| 124 |
+
8. 如遇到模糊的表达,选择最符合学术上下文的翻译
|
| 125 |
+
9. 避免使用口语化或非正式的表达
|
| 126 |
+
10. 注意时态和语态的准确使用
|
| 127 |
+
"""),
|
| 128 |
+
"github_score": dedent("""
|
| 129 |
+
你是一个语义匹配评分专家,擅长根据用户需求和仓库描述进行语义匹配度评分。
|
| 130 |
+
用户会输入两部分内容:
|
| 131 |
+
1. 用户的具体需求描述
|
| 132 |
+
2. 多个仓库的描述列表(以1,2,3等数字开头)
|
| 133 |
+
|
| 134 |
+
请你仔细分析用户需求,并对每个仓库进行评分。
|
| 135 |
+
确保返回一个可以直接被 json 库解析的响应,包含以下内容:
|
| 136 |
+
{
|
| 137 |
+
"indices": [仓库编号列表,按分数从高到低],
|
| 138 |
+
"scores": [编号对应的匹配度评分列表,0-100的整数,表示匹配程度]
|
| 139 |
+
}
|
| 140 |
+
|
| 141 |
+
重要提示:
|
| 142 |
+
1. 评分范围为0-100的整数,高于60分表示具有明显相关性
|
| 143 |
+
2. 评分要客观反映仓库与需求的契合度
|
| 144 |
+
3. 只返回评分大于 60 的仓库
|
| 145 |
+
4. 返回内容不要使用任何 markdown 格式 以及任何特殊字符
|
| 146 |
+
""")
|
| 147 |
+
}
|
| 148 |
+
return prompt_map[mode]
|
| 149 |
+
|
| 150 |
+
def get_llm(self, model="gpt-4o-mini"):
|
| 151 |
+
'''
|
| 152 |
+
params:
|
| 153 |
+
model: str, 模型名称 ["gpt-4o-mini", "gpt-4o", "o1-mini", "gemini-1.5-flash-002"]
|
| 154 |
+
'''
|
| 155 |
+
llm = ChatOpenAI(
|
| 156 |
+
model=model,
|
| 157 |
+
base_url=self.base_url,
|
| 158 |
+
api_key=self.api_key,
|
| 159 |
+
)
|
| 160 |
+
print(f"Init model {model} successfully!")
|
| 161 |
+
return llm
|
| 162 |
+
|
| 163 |
+
def ask_question(self, question, system_prompt=None):
|
| 164 |
+
# 1. 获取系统提示
|
| 165 |
+
if system_prompt is None:
|
| 166 |
+
system_prompt = self.get_system_prompt()
|
| 167 |
+
|
| 168 |
+
# 2. 生成聊天提示
|
| 169 |
+
prompt = self.chat_prompt.format(input=question, system_prompt=system_prompt)
|
| 170 |
+
config = {
|
| 171 |
+
"configurable": {"response_format": {"type": "json_object"}}
|
| 172 |
+
}
|
| 173 |
+
|
| 174 |
+
# 3. 调用 LLM 进行回答
|
| 175 |
+
for _ in range(10):
|
| 176 |
+
try:
|
| 177 |
+
response = self.llm.invoke(prompt, config=config)
|
| 178 |
+
response.content = self.clean_json(response.content)
|
| 179 |
+
return response
|
| 180 |
+
except Exception as e:
|
| 181 |
+
print(e)
|
| 182 |
+
time.sleep(10)
|
| 183 |
+
continue
|
| 184 |
+
print(f"Failed to call llm for prompt: {prompt[0:10]}")
|
| 185 |
+
return None
|
| 186 |
+
|
| 187 |
+
async def ask_questions_parallel(self, questions, system_prompt=None):
|
| 188 |
+
# 1. 获取系统提示
|
| 189 |
+
if system_prompt is None:
|
| 190 |
+
system_prompt = self.get_system_prompt()
|
| 191 |
+
|
| 192 |
+
# 2. 定义异步函数
|
| 193 |
+
async def call_llm(prompt):
|
| 194 |
+
for _ in range(10):
|
| 195 |
+
try:
|
| 196 |
+
response = await self.llm.ainvoke(prompt)
|
| 197 |
+
response.content = self.clean_json(response.content)
|
| 198 |
+
return response
|
| 199 |
+
except Exception as e:
|
| 200 |
+
print(e)
|
| 201 |
+
await asyncio.sleep(10)
|
| 202 |
+
continue
|
| 203 |
+
print(f"Failed to call llm for prompt: {prompt[0:10]}")
|
| 204 |
+
return None
|
| 205 |
+
|
| 206 |
+
# 3. 构建 prompt
|
| 207 |
+
prompts = [self.chat_prompt.format(input=question, system_prompt=system_prompt) for question in questions]
|
| 208 |
+
|
| 209 |
+
# 4. 异步调用
|
| 210 |
+
tasks = [call_llm(prompt) for prompt in prompts]
|
| 211 |
+
results = await asyncio.gather(*tasks)
|
| 212 |
+
|
| 213 |
+
return results
|
| 214 |
+
|
| 215 |
+
class RepoSearch:
|
| 216 |
+
def __init__(self):
|
| 217 |
+
db_path = os.path.join(root_path, "database", "init")
|
| 218 |
+
embeddings = OpenAIEmbeddings(api_key=os.getenv("OPENAI_API_KEY"),
|
| 219 |
+
base_url=os.getenv("OPENAI_BASE_URL"),
|
| 220 |
+
model="text-embedding-3-small")
|
| 221 |
+
|
| 222 |
+
assert os.path.exists(db_path), f"Database not found: {db_path}"
|
| 223 |
+
self.vector_db = FAISS.load_local(db_path, embeddings,
|
| 224 |
+
index_name="init",
|
| 225 |
+
allow_dangerous_deserialization=True)
|
| 226 |
+
|
| 227 |
+
def search(self, query, k=10):
|
| 228 |
+
'''
|
| 229 |
+
name + description + html_url + topics
|
| 230 |
+
'''
|
| 231 |
+
results = self.vector_db.similarity_search(query + " technology", k=k)
|
| 232 |
+
|
| 233 |
+
simple_str = ""
|
| 234 |
+
simple_list = []
|
| 235 |
+
for i, doc in enumerate(results):
|
| 236 |
+
content = json.loads(doc.page_content)
|
| 237 |
+
metadata = doc.metadata
|
| 238 |
+
if content["description"] is None:
|
| 239 |
+
content["description"] = ""
|
| 240 |
+
# desc = content["description"] if len(content["description"]) < 300 else content["description"][:300] + "..."
|
| 241 |
+
simple_str += f"\t**{i+1}. {content['name']}** || {content['description']}\n" # 用于大模型匹配
|
| 242 |
+
simple_list.append({
|
| 243 |
+
"name": content["name"],
|
| 244 |
+
"description": content["description"],
|
| 245 |
+
**metadata, # 解包所有 metadata 字段
|
| 246 |
+
})
|
| 247 |
+
|
| 248 |
+
return simple_str, simple_list
|
| 249 |
+
|
| 250 |
+
def main():
|
| 251 |
+
search = RepoSearch()
|
| 252 |
+
llm = OurLLM(model="gpt-4o")
|
| 253 |
+
|
| 254 |
+
def respond(
|
| 255 |
+
prompt: str,
|
| 256 |
+
history,
|
| 257 |
+
is_llm_filter: bool = False,
|
| 258 |
+
is_keyword_expand: bool = False,
|
| 259 |
+
match_num: int = 40
|
| 260 |
+
):
|
| 261 |
+
# 1. 初始化历史记录
|
| 262 |
+
if not history:
|
| 263 |
+
history = [{"role": "system", "content": "You are a friendly chatbot"}]
|
| 264 |
+
history.append({"role": "user", "content": prompt})
|
| 265 |
+
response = {"role": "assistant", "content": ""}
|
| 266 |
+
yield history
|
| 267 |
+
|
| 268 |
+
# 2. 扩展用户问题关键词
|
| 269 |
+
if is_keyword_expand:
|
| 270 |
+
response["content"] = "开始扩展关键词..."
|
| 271 |
+
yield history + [response]
|
| 272 |
+
|
| 273 |
+
query = llm.ask_question(prompt, system_prompt=llm.get_system_prompt("keyword_expand")).content
|
| 274 |
+
prompt = ", ".join(json.loads(query)["keywords"])
|
| 275 |
+
|
| 276 |
+
# 3. 语义向量匹配
|
| 277 |
+
response["content"] = "开始语义向量匹配..."
|
| 278 |
+
yield history + [response]
|
| 279 |
+
match_str, simple_list = search.search(prompt, match_num)
|
| 280 |
+
|
| 281 |
+
# 4. 通过 LLM 评分得到最匹配的仓库索引
|
| 282 |
+
if not is_llm_filter:
|
| 283 |
+
simple_strs = [f"\t**{i+1}. {repo['name']}** [✨ {repo['star_count'] // 1000}k] || **Description:** {repo['description']} || **Url:** {repo['html_url']} \n" for i, repo in enumerate(simple_list)]
|
| 284 |
+
response["content"] = "".join(simple_strs)
|
| 285 |
+
yield history + [response]
|
| 286 |
+
else:
|
| 287 |
+
response["content"] = "开始通过 LLM 评分得到最匹配的仓库..."
|
| 288 |
+
yield history + [response]
|
| 289 |
+
|
| 290 |
+
query = ' ## 用户需要的仓库内容:' + prompt + '\n ## 搜索结果列表:' + match_str
|
| 291 |
+
out = llm.ask_question(query, system_prompt=llm.get_system_prompt("github_score")).content
|
| 292 |
+
matched_index = json.loads(out)["indices"]
|
| 293 |
+
|
| 294 |
+
# 5. 通过索引得到最匹配的仓库
|
| 295 |
+
result = [simple_list[idx-1] for idx in matched_index]
|
| 296 |
+
simple_strs = [f"\t**{i+1}. {repo['name']}** [✨ {repo['star_count'] // 1000}k] || **Description:** {repo['description']} || **Url:** {repo['html_url']} \n" for i, repo in enumerate(result)]
|
| 297 |
+
response["content"] = "".join(simple_strs)
|
| 298 |
+
yield history + [response]
|
| 299 |
+
|
| 300 |
+
with gr.Blocks() as demo:
|
| 301 |
+
gr.Markdown("## Github semantic search (基于语义的 github 仓库搜索) 🌐")
|
| 302 |
+
|
| 303 |
+
with gr.Row():
|
| 304 |
+
with gr.Column(scale=1):
|
| 305 |
+
# 添加控制参数
|
| 306 |
+
llm_filter = gr.Checkbox(
|
| 307 |
+
label="使用LLM过滤结果",
|
| 308 |
+
value=False,
|
| 309 |
+
info="是否使用 LLM 对搜索结果进行二次过滤"
|
| 310 |
+
)
|
| 311 |
+
keyword_expand = gr.Checkbox(
|
| 312 |
+
label="扩展关键词搜索",
|
| 313 |
+
value=False,
|
| 314 |
+
info="是否使用 LLM 扩展搜索关键词"
|
| 315 |
+
)
|
| 316 |
+
match_number = gr.Slider(
|
| 317 |
+
minimum=10,
|
| 318 |
+
maximum=100,
|
| 319 |
+
value=40,
|
| 320 |
+
step=10,
|
| 321 |
+
label="语义匹配数量",
|
| 322 |
+
info="进行语义匹配后返回的仓库数量,若使用 LLM 过滤,建议适当增加数量"
|
| 323 |
+
)
|
| 324 |
+
|
| 325 |
+
with gr.Column(scale=3):
|
| 326 |
+
chatbot = gr.Chatbot(
|
| 327 |
+
label="Agent",
|
| 328 |
+
type="messages",
|
| 329 |
+
avatar_images=(None, "https://img1.baidu.com/it/u=2193901176,1740242983&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=500"),
|
| 330 |
+
height="65vh"
|
| 331 |
+
)
|
| 332 |
+
prompt = gr.Textbox(max_lines=2, label="Chat Message")
|
| 333 |
+
|
| 334 |
+
# 更新submit调用,包含新的参数
|
| 335 |
+
prompt.submit(
|
| 336 |
+
respond,
|
| 337 |
+
[prompt, chatbot, llm_filter, keyword_expand, match_number],
|
| 338 |
+
[chatbot]
|
| 339 |
+
)
|
| 340 |
+
prompt.submit(lambda: "", None, [prompt])
|
| 341 |
+
|
| 342 |
+
demo.launch(share=False)
|
| 343 |
+
|
| 344 |
+
|
| 345 |
+
if __name__ == "__main__":
|
| 346 |
main()
|
deal_data.py
ADDED
|
@@ -0,0 +1,136 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| 1 |
+
import os
|
| 2 |
+
import json
|
| 3 |
+
import asyncio
|
| 4 |
+
import requests
|
| 5 |
+
|
| 6 |
+
from tqdm import tqdm
|
| 7 |
+
from dotenv import load_dotenv
|
| 8 |
+
load_dotenv()
|
| 9 |
+
|
| 10 |
+
from langchain_openai import ChatOpenAI
|
| 11 |
+
from langchain_core.prompts import ChatPromptTemplate
|
| 12 |
+
from langchain_core.documents import Document
|
| 13 |
+
from langchain_openai import OpenAIEmbeddings
|
| 14 |
+
from langchain_community.vectorstores import FAISS
|
| 15 |
+
|
| 16 |
+
# 获取当前目录根路径
|
| 17 |
+
current_file_path = os.path.dirname(os.path.abspath(__file__))
|
| 18 |
+
root_path = os.path.abspath(current_file_path)
|
| 19 |
+
data_path = os.path.join(root_path, "data_simple")
|
| 20 |
+
db_path = os.path.join(root_path, "database", "init")
|
| 21 |
+
|
| 22 |
+
# 1. 根据 star 数量区间获取 GitHub 仓库,同时根据 star 数量从多到少排序(闭区间)并保存 GitHub 仓库
|
| 23 |
+
def get_top_repo_by_star(per_page=1000, page=1, min_star_num=0, max_star_num=500000):
|
| 24 |
+
query = f'stars:{min_star_num}..{max_star_num} pushed:>2021-01-01'
|
| 25 |
+
sort = 'stars'
|
| 26 |
+
order = 'desc'
|
| 27 |
+
search_url = f'{os.getenv('GITHUB_API_URL')}/search/repositories?q={query}&sort={sort}&order={order}&per_page={per_page}&page={page}'
|
| 28 |
+
headers = {"Authorization": f"token {os.getenv('GITHUB_TOKEN')}"}
|
| 29 |
+
|
| 30 |
+
response = requests.get(search_url, headers=headers)
|
| 31 |
+
if response.status_code == 200:
|
| 32 |
+
total_count = response.json()['total_count']
|
| 33 |
+
total_page = total_count // per_page + 1
|
| 34 |
+
print(f"Total page: {total_page}, current page: {page}")
|
| 35 |
+
if response.json()['incomplete_results']: print("Incomplete results")
|
| 36 |
+
return response.json()['items'], response.json()['items'][-1]['stargazers_count'], total_count
|
| 37 |
+
else:
|
| 38 |
+
print(f"Failed to retrieve repositories: {response.status_code}")
|
| 39 |
+
print("")
|
| 40 |
+
# 直接退出
|
| 41 |
+
exit(1)
|
| 42 |
+
|
| 43 |
+
def save_repo_by_star(max_star=500000):
|
| 44 |
+
# github 限制每次请求最多得到 100 个仓库,因此 page 固定为 1
|
| 45 |
+
top_repositories, max_star, count = get_top_repo_by_star(per_page=1000, page=1, min_star_num=1000, max_star_num=max_star)
|
| 46 |
+
|
| 47 |
+
for i, repo in enumerate(top_repositories):
|
| 48 |
+
owner = repo['owner']['login']
|
| 49 |
+
name = repo['name']
|
| 50 |
+
unique_id = f"{name} -- {owner}"
|
| 51 |
+
stars = repo['stargazers_count']
|
| 52 |
+
print(f"Repository {i}: {name}, Stars: {stars}")
|
| 53 |
+
|
| 54 |
+
# 存储为 json 格式
|
| 55 |
+
with open(os.path.join(data_path, f'{unique_id}.json'), 'w') as f:
|
| 56 |
+
json.dump(repo, f, indent=4)
|
| 57 |
+
|
| 58 |
+
if count < 100: exit(1)
|
| 59 |
+
|
| 60 |
+
return max_star
|
| 61 |
+
|
| 62 |
+
def main_repo():
|
| 63 |
+
max_star = 500000 # 最多 star 的仓库有 500k
|
| 64 |
+
num = 1
|
| 65 |
+
while True:
|
| 66 |
+
print("=" * 50)
|
| 67 |
+
print(f"Round {num}, Max star: {max_star}")
|
| 68 |
+
max_star = save_repo_by_star(max_star)
|
| 69 |
+
num += 1
|
| 70 |
+
|
| 71 |
+
# 2. 将数据转换为向量
|
| 72 |
+
async def create_vector_db(docs, embeddings, batch_size=800):
|
| 73 |
+
# 初始化第一批数据
|
| 74 |
+
vector_db = await FAISS.afrom_documents(docs[0:batch_size], embeddings)
|
| 75 |
+
if len(docs) < batch_size: return vector_db
|
| 76 |
+
|
| 77 |
+
# 创建任务x``
|
| 78 |
+
tasks = []
|
| 79 |
+
for start_idx in range(batch_size, len(docs), batch_size):
|
| 80 |
+
end_idx = min(start_idx + batch_size, len(docs))
|
| 81 |
+
tasks.append(FAISS.afrom_documents(docs[start_idx:end_idx], embeddings))
|
| 82 |
+
|
| 83 |
+
# 执行任务
|
| 84 |
+
results = await asyncio.gather(*tasks)
|
| 85 |
+
|
| 86 |
+
# 合并结果
|
| 87 |
+
for temp_db in results:
|
| 88 |
+
vector_db.merge_from(temp_db)
|
| 89 |
+
return vector_db
|
| 90 |
+
|
| 91 |
+
async def main_convert_to_vector():
|
| 92 |
+
# 读取文件
|
| 93 |
+
files = os.listdir(data_path)
|
| 94 |
+
|
| 95 |
+
# 构建 document
|
| 96 |
+
docs = []
|
| 97 |
+
for file in tqdm(files):
|
| 98 |
+
if not file.endswith(".json"): continue
|
| 99 |
+
with open(os.path.join(data_path, file), "r", encoding="utf-8") as f:
|
| 100 |
+
data = json.load(f)
|
| 101 |
+
|
| 102 |
+
content_map = {
|
| 103 |
+
"name": data["name"],
|
| 104 |
+
"description": data["description"],
|
| 105 |
+
}
|
| 106 |
+
content = json.dumps(content_map)
|
| 107 |
+
doc = Document(page_content=content, metadata={"html_url": data["html_url"],
|
| 108 |
+
"topics": data["topics"],
|
| 109 |
+
"created_at": data["created_at"],
|
| 110 |
+
"updated_at": data["updated_at"],
|
| 111 |
+
"star_count": data["stargazers_count"]})
|
| 112 |
+
docs.append(doc)
|
| 113 |
+
print(f"Total {len(docs)} documents.")
|
| 114 |
+
|
| 115 |
+
# 初始化 Embedding 实例
|
| 116 |
+
embeddings = OpenAIEmbeddings(api_key=os.getenv("OPENAI_API_KEY"),
|
| 117 |
+
base_url=os.getenv("OPENAI_BASE_URL"),
|
| 118 |
+
model="text-embedding-3-small")
|
| 119 |
+
print("Embedding model success: text-embedding-3-small")
|
| 120 |
+
|
| 121 |
+
# 文档嵌入
|
| 122 |
+
if os.path.exists(os.path.join(db_path, "init.faiss")):
|
| 123 |
+
vector_db = FAISS.load_local(db_path, embeddings=embeddings,
|
| 124 |
+
index_name="init",
|
| 125 |
+
allow_dangerous_deserialization=True)
|
| 126 |
+
else:
|
| 127 |
+
vector_db = await create_vector_db(docs, embeddings=embeddings)
|
| 128 |
+
vector_db.save_local(db_path, index_name="init")
|
| 129 |
+
return vector_db
|
| 130 |
+
|
| 131 |
+
if __name__ == "__main__":
|
| 132 |
+
# 1. 获取仓库信息
|
| 133 |
+
# main_repo()
|
| 134 |
+
|
| 135 |
+
# 2. 构建向量数据库
|
| 136 |
+
asyncio.run(main_convert_to_vector())
|
requirements.txt
CHANGED
|
@@ -1,4 +1,9 @@
|
|
| 1 |
-
|
| 2 |
-
|
| 3 |
-
|
| 4 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
langchain_community
|
| 2 |
+
langchain_core
|
| 3 |
+
langchain_openai
|
| 4 |
+
|
| 5 |
+
faiss-cpu
|
| 6 |
+
tqdm
|
| 7 |
+
python-dotenv
|
| 8 |
+
|
| 9 |
+
gradio
|