针对你遇到的“could not find a version that satisfies the requirement langchain-community”错误,我们可以从以下几个方面进行排查和解决: 确认库名是否正确: 首先,确保你输入的库名langchain-community是正确的。可以通过访问PyPI官网或使用搜索引擎来验证该库是否存在。 检查Python环境及其版本: langchain-communi...
1. **Incomplete Python Installation**: It's possible that the Python installation on your system is incomplete or corrupted. 2. **Missing `libffi` library**: The `ctypes` module requires the `libffi` library to compile and work properly. If this library isn't present on your system when ...
Requirement already satisfied: async-timeout<5.0.0,>=4.0.0; python_version < "3.11" in /usr/local/lib/python3.10/dist-packages (from langchain<0.4.0,>=0.3.0->langchain_community) (4.0.3) Requirement already satisfied: orjson<4.0.0,>=3.9.14 in /usr/local/lib/python3.10/dist-packages ...
Requirement already satisfied: async-timeout<5.0.0,>=4.0.0; python_version < "3.11" in /usr/local/lib/python3.10/dist-packages (from langchain<0.4.0,>=0.3.0->langchain_community) (4.0.3) Requirement already satisfied: orjson<4.0.0,>=3.9.14 in /usr/local/lib/python3.10/dist-packages ...
Requirement already satisfied: numpy<2,>=1; python_version < "3.12" in /usr/local/lib/python3.10/dist-packages (from langchain_community) (1.26.4) Requirement already satisfied: langchain-core<0.4.0,>=0.3.0 in /usr/local/lib/python3.10/dist-packages (from langchain_community) (0.3.2) ...
/usr/bin/env python#-*-encoding:utf-8-*-""" @File:demo.py @Time:2025/03/0901:13:15@Author:Li Ruilong @Version:1.0@Contact:liruilonger@gmail.com @Desc:LangChain Demo""" # here put theimportlib #pip install langchain langchain-community ollama-i https://pypi.tuna.tsinghua.edu.cn/...
在本笔记本中,我们将使用 Langchain 和 Elasticsearch python 客户端。 我们还需要一个正在运行的 Elasticsearch 实例,并在其中部署了 ML 节点和模型。 python3 -m pip install -qU langchain elasticsearch eland load_dotenv jq 安装 安装Elasticsearch 及 Kibana 如果你还没有安装好自己的 Elasticsearch 及 Kibana,...
(2.28.1) Requirement already satisfied: urllib3<1.27,>=1.21.1 in /opt/conda/lib/python3.7/site-packages (from requests->langchain) (1.26.12) Requirement already satisfied: charset-normalizer<3,>=2 in /opt/conda/lib/python3.7/site-packages (from requests->langchain) (2.1.1) Requirement ...
We’ll use the ‘SeleniumURLLoader‘ class from LangChain, which relies on the ‘unstructured‘ and ‘selenium‘ Python libraries. Install these using pip. It is recommended to install the latest version, although the code has been specifically tested with version 0.7.7. ...
第一步,获取代码并安装Python相关库 git clone git@github.com:christhai/langchain-chatbot.git python3 -m venv .venv source .venv/bin/activate pip install -r requirement.txt 其中app.py完整代码如下(不到30行哦) from llama_index import SimpleDirectoryReader, LangchainEmbedding, GPTListIndex,GPT...