dirlay


Namedirlay JSON
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SummaryDirectory layout object for testing and documentation
upload_time2025-03-03 14:33:03
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requires_python!=3.0,!=3.1,!=3.2,!=3.3,!=3.4,>=2.7
licenseMIT
keywords directory layout structure tree
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            # dirlay
<!-- docsub: begin -->
<!-- docsub: exec yq '"> " + .project.description' pyproject.toml -->
> Directory layout object for testing and documentation
<!-- docsub: end -->

<!-- docsub: begin -->
<!-- docsub: include docs/badges.md -->
[![license](https://img.shields.io/github/license/makukha/dirlay.svg)](https://github.com/makukha/dirlay/blob/main/LICENSE)
[![pypi](https://img.shields.io/pypi/v/dirlay.svg#v0.3.0)](https://pypi.org/project/dirlay)
[![python versions](https://img.shields.io/pypi/pyversions/dirlay.svg)](https://pypi.org/project/dirlay)
[![tests](https://raw.githubusercontent.com/makukha/dirlay/v0.3.0/docs/img/badge/tests.svg)](https://github.com/makukha/dirlay)
[![coverage](https://raw.githubusercontent.com/makukha/dirlay/v0.3.0/docs/img/badge/coverage.svg)](https://github.com/makukha/dirlay)
[![tested with multipython](https://img.shields.io/badge/tested_with-multipython-x)](https://github.com/makukha/multipython)
[![uses docsub](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/makukha/docsub/refs/heads/main/docs/badge/v1.json)](https://github.com/makukha/docsub)
[![mypy](https://img.shields.io/badge/type_checked-mypy-%231674b1)](http://mypy.readthedocs.io)
[![uv](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/uv/main/assets/badge/v0.json)](https://github.com/astral-sh/ruff)
[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
<!-- docsub: end -->


<!-- docsub: begin -->
<!-- docsub: include docs/features.md -->
# Features

- Create directory tree and files from Python `dict`
- Chdir to tree subdirectories
- Display as rich tree for documentation
- Developer friendly syntax:
  - reference nodes by paths: `tree['a/b/c.md']`
  - add, update, delete nodes: `tree |= {'d': {}}`, `del tree['a']`
  - create tree under given or temporary directory
  - `contextmanager` interface to unlink tree on exit
- Fully typed
- Python 2 support (using [pathlib2](https://github.com/jazzband/pathlib2))
<!-- docsub: end -->


# Installation

```shell
$ pip install dirlay[rich]
```


# Usage

<!-- docsub: begin #usage.md -->
<!-- docsub: include docs/usage.md -->
<!-- docsub: begin -->
<!-- docsub: x toc tests/test_usage.py 'Usage.*' -->
* [Create directory layout tree](#create-directory-layout-tree)
* [Chdir to subdirectory](#chdir-to-subdirectory)
* [Print as tree](#print-as-tree)
<!-- docsub: end -->

```pycon
>>> from dirlay import Dir
```

<!-- docsub: begin -->
<!-- docsub: x cases --no-title tests/test_usage.py 'QuickStart' -->
Define directory structure and files content:

```pycon
>>> layout = Dir({'a': {'b/c.txt': 'ccc', 'd.txt': 'ddd'}})
>>> layout.data == {'a': {'b': {'c.txt': 'ccc'}, 'd.txt': 'ddd'}}
True
>>> layout['a/b/c.txt']
<Node 'a/b/c.txt': 'ccc'>
>>> 'z.txt' in layout
False
```

Content of files and directories can be updated:

```pycon
>>> layout |= {'a/d.txt': {'e.txt': 'eee'}}
>>> layout['a/b/c.txt'].data *= 2
>>> layout.root()
<Node '.': {'a': {...}}>
>>> layout.data == {'a': {'b': {'c.txt': 'cccccc'}, 'd.txt': {'e.txt': 'eee'}}}
True
```

Instantiate on the file system (in temporary directory by default) and remove when
exiting the context.

```pycon
>>> with layout.mktree():
...     assert getcwd() != layout.basedir  # cwd not changed
...     str(layout['a/b/c.txt'].path.read_text())
'cccccc'
```

Optionally, change current working directory to a layout subdir, and change back
after context manager is exited.

```pycon
>>> with layout.mktree(chdir='a/b'):
...     assert getcwd() == layout.basedir / 'a/b'
...     str(Path('c.txt').read_text())
'cccccc'
```

<!-- docsub: end -->

<!-- docsub: begin -->
<!-- docsub: x cases tests/test_usage.py 'Usage.*' -->
## Create directory layout tree

Directory layout can be constructed from dict:

```pycon
>>> layout = Dir({'a': {'b/c.txt': 'ccc', 'd.txt': 'ddd'}})
>>> layout.basedir is None
True
>>> layout.mktree()
<Dir '/tmp/...': {'a': ...}>
>>> layout.basedir
PosixPath('/tmp/...')
```

And remove when not needed anymore:

```pycon
>>> layout.rmtree()
```

## Chdir to subdirectory

```pycon
>>> import os
>>> os.chdir('/tmp')
```

When layout is instantiated, current directory remains unchanged:

```pycon
>>> layout = Dir({'a/b/c.txt': 'ccc'})
>>> layout.mktree()
<Dir '/tmp/...': {'a': {'b': {'c.txt': 'ccc'}}}>
>>> getcwd()
PosixPath('/tmp')
```

On first `chdir`, initial working directory is stored internally, and will be
restored on `destroy`. Without argument, `chdir` sets current directory to
`layout.basedir`.

```pycon
>>> layout.basedir
PosixPath('/tmp/...')
>>> layout.chdir()
>>> getcwd()
PosixPath('/tmp/...')
```

If `chdir` has argument, it must be a path relative to `basedir`.

```pycon
>>> layout.chdir('a/b')
>>> getcwd()
PosixPath('/tmp/.../a/b')
```

When directory is removed, current directory is restored:

```pycon
>>> layout.rmtree()
>>> getcwd()
PosixPath('/tmp')
```

## Print as tree

```pycon
>>> layout = Dir({'a': {'b/c.txt': 'ccc', 'd.txt': 'ddd'}})
>>> layout.print_rich()
📂 .
└── 📂 a
    ├── 📂 b
    │   └── 📄 c.txt
    └── 📄 d.txt
```

Display `basedir` path and file content:

```pycon
>>> layout.mktree()
<Dir '/tmp/...': ...>
>>> layout.print_rich(real_basedir=True, show_data=True)
📂 /tmp/...
└── 📂 a
    ├── 📂 b
    │   └── 📄 c.txt
    │       ╭─────╮
    │       │ ccc │
    │       ╰─────╯
    └── 📄 d.txt
        ╭─────╮
        │ ddd │
        ╰─────╯
```

Extra keyword arguments will be passed through to `rich.tree.Tree`:

```pycon
>>> layout.print_rich(show_data=True, hide_root=True)
📂 a
├── 📂 b
│   └── 📄 c.txt
│       ╭─────╮
│       │ ccc │
│       ╰─────╯
└── 📄 d.txt
    ╭─────╮
    │ ddd │
    ╰─────╯

>>> layout.rmtree()
```

<!-- docsub: end -->
<!-- docsub: end #usage.md -->


# See also

* [Documentation](https://dirlay.readthedocs.io)
* [Changelog](https://github.com/makukha/dirlay/tree/main/CHANGELOG.md)
* [Issues](https://github.com/makukha/dirlay/issues)
* [License](https://github.com/makukha/dirlay/tree/main/LICENSE)

            

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    "description": "# dirlay\n<!-- docsub: begin -->\n<!-- docsub: exec yq '\"> \" + .project.description' pyproject.toml -->\n> Directory layout object for testing and documentation\n<!-- docsub: end -->\n\n<!-- docsub: begin -->\n<!-- docsub: include docs/badges.md -->\n[![license](https://img.shields.io/github/license/makukha/dirlay.svg)](https://github.com/makukha/dirlay/blob/main/LICENSE)\n[![pypi](https://img.shields.io/pypi/v/dirlay.svg#v0.3.0)](https://pypi.org/project/dirlay)\n[![python versions](https://img.shields.io/pypi/pyversions/dirlay.svg)](https://pypi.org/project/dirlay)\n[![tests](https://raw.githubusercontent.com/makukha/dirlay/v0.3.0/docs/img/badge/tests.svg)](https://github.com/makukha/dirlay)\n[![coverage](https://raw.githubusercontent.com/makukha/dirlay/v0.3.0/docs/img/badge/coverage.svg)](https://github.com/makukha/dirlay)\n[![tested with multipython](https://img.shields.io/badge/tested_with-multipython-x)](https://github.com/makukha/multipython)\n[![uses docsub](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/makukha/docsub/refs/heads/main/docs/badge/v1.json)](https://github.com/makukha/docsub)\n[![mypy](https://img.shields.io/badge/type_checked-mypy-%231674b1)](http://mypy.readthedocs.io)\n[![uv](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/uv/main/assets/badge/v0.json)](https://github.com/astral-sh/ruff)\n[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)\n<!-- docsub: end -->\n\n\n<!-- docsub: begin -->\n<!-- docsub: include docs/features.md -->\n# Features\n\n- Create directory tree and files from Python `dict`\n- Chdir to tree subdirectories\n- Display as rich tree for documentation\n- Developer friendly syntax:\n  - reference nodes by paths: `tree['a/b/c.md']`\n  - add, update, delete nodes: `tree |= {'d': {}}`, `del tree['a']`\n  - create tree under given or temporary directory\n  - `contextmanager` interface to unlink tree on exit\n- Fully typed\n- Python 2 support (using [pathlib2](https://github.com/jazzband/pathlib2))\n<!-- docsub: end -->\n\n\n# Installation\n\n```shell\n$ pip install dirlay[rich]\n```\n\n\n# Usage\n\n<!-- docsub: begin #usage.md -->\n<!-- docsub: include docs/usage.md -->\n<!-- docsub: begin -->\n<!-- docsub: x toc tests/test_usage.py 'Usage.*' -->\n* [Create directory layout tree](#create-directory-layout-tree)\n* [Chdir to subdirectory](#chdir-to-subdirectory)\n* [Print as tree](#print-as-tree)\n<!-- docsub: end -->\n\n```pycon\n>>> from dirlay import Dir\n```\n\n<!-- docsub: begin -->\n<!-- docsub: x cases --no-title tests/test_usage.py 'QuickStart' -->\nDefine directory structure and files content:\n\n```pycon\n>>> layout = Dir({'a': {'b/c.txt': 'ccc', 'd.txt': 'ddd'}})\n>>> layout.data == {'a': {'b': {'c.txt': 'ccc'}, 'd.txt': 'ddd'}}\nTrue\n>>> layout['a/b/c.txt']\n<Node 'a/b/c.txt': 'ccc'>\n>>> 'z.txt' in layout\nFalse\n```\n\nContent of files and directories can be updated:\n\n```pycon\n>>> layout |= {'a/d.txt': {'e.txt': 'eee'}}\n>>> layout['a/b/c.txt'].data *= 2\n>>> layout.root()\n<Node '.': {'a': {...}}>\n>>> layout.data == {'a': {'b': {'c.txt': 'cccccc'}, 'd.txt': {'e.txt': 'eee'}}}\nTrue\n```\n\nInstantiate on the file system (in temporary directory by default) and remove when\nexiting the context.\n\n```pycon\n>>> with layout.mktree():\n...     assert getcwd() != layout.basedir  # cwd not changed\n...     str(layout['a/b/c.txt'].path.read_text())\n'cccccc'\n```\n\nOptionally, change current working directory to a layout subdir, and change back\nafter context manager is exited.\n\n```pycon\n>>> with layout.mktree(chdir='a/b'):\n...     assert getcwd() == layout.basedir / 'a/b'\n...     str(Path('c.txt').read_text())\n'cccccc'\n```\n\n<!-- docsub: end -->\n\n<!-- docsub: begin -->\n<!-- docsub: x cases tests/test_usage.py 'Usage.*' -->\n## Create directory layout tree\n\nDirectory layout can be constructed from dict:\n\n```pycon\n>>> layout = Dir({'a': {'b/c.txt': 'ccc', 'd.txt': 'ddd'}})\n>>> layout.basedir is None\nTrue\n>>> layout.mktree()\n<Dir '/tmp/...': {'a': ...}>\n>>> layout.basedir\nPosixPath('/tmp/...')\n```\n\nAnd remove when not needed anymore:\n\n```pycon\n>>> layout.rmtree()\n```\n\n## Chdir to subdirectory\n\n```pycon\n>>> import os\n>>> os.chdir('/tmp')\n```\n\nWhen layout is instantiated, current directory remains unchanged:\n\n```pycon\n>>> layout = Dir({'a/b/c.txt': 'ccc'})\n>>> layout.mktree()\n<Dir '/tmp/...': {'a': {'b': {'c.txt': 'ccc'}}}>\n>>> getcwd()\nPosixPath('/tmp')\n```\n\nOn first `chdir`, initial working directory is stored internally, and will be\nrestored on `destroy`. Without argument, `chdir` sets current directory to\n`layout.basedir`.\n\n```pycon\n>>> layout.basedir\nPosixPath('/tmp/...')\n>>> layout.chdir()\n>>> getcwd()\nPosixPath('/tmp/...')\n```\n\nIf `chdir` has argument, it must be a path relative to `basedir`.\n\n```pycon\n>>> layout.chdir('a/b')\n>>> getcwd()\nPosixPath('/tmp/.../a/b')\n```\n\nWhen directory is removed, current directory is restored:\n\n```pycon\n>>> layout.rmtree()\n>>> getcwd()\nPosixPath('/tmp')\n```\n\n## Print as tree\n\n```pycon\n>>> layout = Dir({'a': {'b/c.txt': 'ccc', 'd.txt': 'ddd'}})\n>>> layout.print_rich()\n\ud83d\udcc2 .\n\u2514\u2500\u2500 \ud83d\udcc2 a\n    \u251c\u2500\u2500 \ud83d\udcc2 b\n    \u2502   \u2514\u2500\u2500 \ud83d\udcc4 c.txt\n    \u2514\u2500\u2500 \ud83d\udcc4 d.txt\n```\n\nDisplay `basedir` path and file content:\n\n```pycon\n>>> layout.mktree()\n<Dir '/tmp/...': ...>\n>>> layout.print_rich(real_basedir=True, show_data=True)\n\ud83d\udcc2 /tmp/...\n\u2514\u2500\u2500 \ud83d\udcc2 a\n    \u251c\u2500\u2500 \ud83d\udcc2 b\n    \u2502   \u2514\u2500\u2500 \ud83d\udcc4 c.txt\n    \u2502       \u256d\u2500\u2500\u2500\u2500\u2500\u256e\n    \u2502       \u2502 ccc \u2502\n    \u2502       \u2570\u2500\u2500\u2500\u2500\u2500\u256f\n    \u2514\u2500\u2500 \ud83d\udcc4 d.txt\n        \u256d\u2500\u2500\u2500\u2500\u2500\u256e\n        \u2502 ddd \u2502\n        \u2570\u2500\u2500\u2500\u2500\u2500\u256f\n```\n\nExtra keyword arguments will be passed through to `rich.tree.Tree`:\n\n```pycon\n>>> layout.print_rich(show_data=True, hide_root=True)\n\ud83d\udcc2 a\n\u251c\u2500\u2500 \ud83d\udcc2 b\n\u2502   \u2514\u2500\u2500 \ud83d\udcc4 c.txt\n\u2502       \u256d\u2500\u2500\u2500\u2500\u2500\u256e\n\u2502       \u2502 ccc \u2502\n\u2502       \u2570\u2500\u2500\u2500\u2500\u2500\u256f\n\u2514\u2500\u2500 \ud83d\udcc4 d.txt\n    \u256d\u2500\u2500\u2500\u2500\u2500\u256e\n    \u2502 ddd \u2502\n    \u2570\u2500\u2500\u2500\u2500\u2500\u256f\n\n>>> layout.rmtree()\n```\n\n<!-- docsub: end -->\n<!-- docsub: end #usage.md -->\n\n\n# See also\n\n* [Documentation](https://dirlay.readthedocs.io)\n* [Changelog](https://github.com/makukha/dirlay/tree/main/CHANGELOG.md)\n* [Issues](https://github.com/makukha/dirlay/issues)\n* [License](https://github.com/makukha/dirlay/tree/main/LICENSE)\n",
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