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https://github.com/apirrone/Memento

Memento is a Python app that records everything you do on your computer and lets you go back in time, search, and chat with a LLM (Large Language Model) to find back information about what you did.
https://github.com/apirrone/Memento

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Memento is a Python app that records everything you do on your computer and lets you go back in time, search, and chat with a LLM (Large Language Model) to find back information about what you did.

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# Memento

Memento is a Python app that records everything you do on your computer and lets you go back in time, search, and chat with a LLM (Large Language Model) to find back information about what you did.

https://github.com/apirrone/Memento/assets/6552564/d256a3a9-fa44-4b73-8b8e-b02a5473540b

This project is heavily inspired by [rewind.ai](https://rewind.ai/)

## How it works:
- The app takes a screenshot every 2 seconds
- It compiles the screenshots into h264 video segments for storage efficiency
- It uses OCR to extract text from the images
- It indexes the text in a sqlite3 database and a vectordb
- It uses FTS5 to search the text
- It uses a LLM (GPT through OpenAI's API) to chat with the timeline

## Branches :
- The `main` branch is the latest release
- The `dev` branch contains the latest "stable" improvements that will be merged into main periodically
- Any other branch is a feature currently being developed

## Disk space and performance considerations
- Right now, Memento produces about **120MB** of data per hour
- We are working on ways to reduce this number
- **TODO** profile cpu usage of Memento

## Installation

This project was tested on Ubuntu 22.04.

```console
$ pip install -e .
```

You also need to install `tesseract-ocr` on your system. To install latest version (tesseract 5.x.x):

```console
$ sudo apt update
$ sudo add-apt-repository ppa:alex-p/tesseract-ocr-devel
$ sudo apt install tesseract-ocr
```
Then install the language packs you need, for example:

```console
$ sudo apt install tesseract-ocr-eng
$ sudo apt install tesseract-ocr-fra
```

You also need to set an environment variable :
(This is the path on my system, it may be different on yours)
```console
export TESSDATA_PREFIX=/usr/share/tesseract-ocr/5/tessdata/
```

If you want to chat with the timeline through a llm, you need an openai api key in your env as `OPENAI_API_KEY`.

## Usage
### Run the background process :

```console
$ memento-bg
```

### Run the timeline :

```console
$ memento-timeline
```

#### Controls :
- Scroll horizontally or vertically to navigate the timeline.
- `ctrl+scroll` to zoom the timeline in and out.
- Hover the timeline to see a preview of the screenshot at that time, `click` to navigate there.
- Press `d` for debug mode (useful for development)
- `ctrl+f` to open search sidebar.
- `ctrl+t` to open chat sidebar.
- `click+drag` on a screenshot to select text, `ctrl+c` to copy it to clipboard.

## Contributing:
Feel free to contribute !

Fork the repo, and submit a PR to the `dev` branch.