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## Table of Contents
- [Installation](#installation)
- [Usage](#usage)
- [Testing](#testing)
- [Design](#design-and-code-structure)
## Installation
### Prerequisites
- Python (3.5+)
- OpenVINO (optional)
``` bash
git clone https://github.com/opencv/cvat
```
Optionally, install a virtual environment:
``` bash
python -m pip install virtualenv
python -m virtualenv venv
. venv/bin/activate
```
Then install all dependencies:
``` bash
while read -r p; do pip install $p; done < requirements.txt
```
If you're working inside CVAT environment:
``` bash
. .env/bin/activate
while read -r p; do pip install $p; done < datumaro/requirements.txt
```
## Usage
> The directory containing Datumaro should be in the `PYTHONPATH`
> environment variable or `cvat/datumaro/` should be the current directory.
``` bash
datum --help
python -m datumaro --help
python datumaro/ --help
python datum.py --help
```
``` python
import datumaro
```
## Testing
It is expected that all Datumaro functionality is covered and checked by
unit tests. Tests are placed in `tests/` directory.
To run tests use:
``` bash
python -m unittest discover -s tests
```
If you're working inside CVAT environment, you can also use:
``` bash
python manage.py test datumaro/
```
## Design and code structure
- [Design document](docs/design.md)
### Command-line
Use [Docker](https://www.docker.com/) as an example. Basically,
the interface is divided on contexts and single commands.
Contexts are semantically grouped commands,
related to a single topic or target. Single commands are handy shorter
alternatives for the most used commands and also special commands,
which are hard to be put into any specific context.
![cli-design-image](docs/images/cli_design.png)
- The diagram above was created with [FreeMind](http://freemind.sourceforge.net/wiki/index.php/Main_Page)
Model-View-ViewModel (MVVM) UI pattern is used.
![mvvm-image](docs/images/mvvm.png)
### Datumaro project and environment structure
<!--lint disable fenced-code-flag-->
```
├── [datumaro module]
└── [project folder]
├── .datumaro/
| ├── config.yml
│   ├── .git/
│   ├── importers/
│   │   ├── custom_format_importer1.py
│   │   └── ...
│   ├── statistics/
│   │   ├── custom_statistic1.py
│   │   └── ...
│   ├── visualizers/
│   │ ├── custom_visualizer1.py
│   │ └── ...
│   └── extractors/
│   ├── custom_extractor1.py
│   └── ...
├── dataset/
└── sources/
├── source1
└── ...
```
<!--lint enable fenced-code-flag-->