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Dive into Python code

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# DHV

![DHV](https://raw.githubusercontent.com/davep/dhv/refs/heads/main/.images/dhv-social-banner.png)

[![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/davep/dhv/style-and-lint.yaml)](https://github.com/davep/dhv/actions)
[![GitHub commits since latest release](https://img.shields.io/github/commits-since/davep/dhv/latest)](https://github.com/davep/dhv/commits/main/)
[![GitHub Issues or Pull Requests](https://img.shields.io/github/issues/davep/dhv)](https://github.com/davep/dhv/issues)
[![GitHub Release Date](https://img.shields.io/github/release-date/davep/dhv)](https://github.com/davep/dhv/releases)
[![PyPI - License](https://img.shields.io/pypi/l/dhv)](https://github.com/davep/dhv/blob/main/LICENSE)
[![PyPI - Python Version](https://img.shields.io/pypi/pyversions/dhv)](https://github.com/davep/dhv/blob/main/pyproject.toml)
[![PyPI - Version](https://img.shields.io/pypi/v/dhv)](https://pypi.org/project/dhv/)

## Introduction

DHV is a terminal-based tool for diving into Python code, giving easy visual
access to [bytecode disassembly](https://docs.python.org/3/library/dis.html)
and [the abstract syntax tree](https://docs.python.org/3/library/ast.html).
If you're curious about what's "under the hood" when it comes to your Python
source, this tool should help satisfy some of that curiosity.

![DHV in action](https://raw.githubusercontent.com/davep/dhv/refs/heads/main/.images/dhv.gif)

> [!IMPORTANT]
>
> Python's `dis` module is a bit of a moving target; because of this and to
> try and keep the code as clean as possible DHV only works with Python 3.13
> or later.

## Installing

### pipx

The package can be installed using [`pipx`](https://pypa.github.io/pipx/):

```sh
$ pipx install dhv
```

### uv

The package can be install using [`uv`](https://docs.astral.sh/uv/getting-started/installation/):

```sh
uv tool install --python 3.13 dhv
```

## Using DHV

Once you've installed DHV using one of the above methods, you can run the
application using the `dhv` command.

The best way to get to know DHV is to read the help screen, once in the main
application you can see this by pressing <kbd>F1</kbd>.

## Getting help

If you need help, or have any ideas, please feel free to [raise an
issue](https://github.com/davep/dhv/issues) or [start a
discussion](https://github.com/davep/dhv/discussions).

## TODO

See [the TODO tag in
issues](https://github.com/davep/dhv/issues?q=is%3Aissue+is%3Aopen+label%3ATODO)
to see what I'm planning.

[//]: # (README.md ends here)

dhv

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