LangChain Medium Auto Publisher

Automate the process of generating and publishing blog posts to Medium using LangChain, OpenAI, and the Medium API — all based on topics scheduled in a simple CSV file.

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Features

• Automated Posting — Publishes the blog scheduled for the current date.
• LangChain Integration — Uses ChatOpenAI to generate human-like, high-quality content.
• Image Upload Support — Optionally uploads an image to Medium and embeds it in the post.
• Customizable Prompt — Fine-tune how AI writes your company blogs.
• Logging — Tracks each execution in a log file (log.txt).

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Project Structure

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├── main.py # Main automation script
├── blog.csv # CSV file containing topics and product links
├── 1log.txt # Log file with execution history
├── README.md # Documentation
└── requirements.txt

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Setup Instructions

1️⃣ Prerequisites

- Python 3.9+
- A valid OpenAI API Key
- A Medium Integration Token
→ Generate from your Medium account settings:
https://medium.com/me/settings

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2️⃣ Installation

Clone the repository:

git clone https://github.com/monojitbgit/langchain-medium-publisher.git

Nevigate to the directory

cd langchain-medium-publisher-main

Install required dependencies:

pip install -r requirements.txt

or run

pip install langchain-openai langchain-core requests opencv-python

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3️⃣ Configuration

Open medium_post.py and replace placeholders with your credentials:
os.environ["OPENAI_API_KEY"] = "your_openai_api_key_here"
MEDIUM_API_TOKEN = "your_medium_integration_token_here"

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5️⃣ Run the Script

Execute the Python script:

python main.py

Technologies Used

LangChain
OpenAI GPT Models
Medium API
Python Libraries: requests, csv, datetime, opencv-python

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License

This project is licensed under the MIT License.
You’re free to use, modify, and distribute it with attribution.