### Initialize an existing project with hatch new --init

Source: https://hatch.pypa.io/latest/intro

Run inside the project directory to initialize an existing project. If a setup.py file is present, the command automatically migrates setuptools configuration; otherwise it interactively guides through setup.

```shell
hatch new --init
```

--------------------------------

### get_source_install_args

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Method to get global installer flags for dependencies.

```APIDOC
## get_source_install_args(dependencies: Sequence[Dependency]) -> list[str]

### Description
Returns global installer flags derived from the sources that apply to the given dependencies. Currently this surfaces every `IndexSource` as `--extra-index-url`, deduplicated and order-preserving.

### Method
N/A (Python method)

### Endpoint
N/A (Python method)

### Parameters
- **dependencies** (Sequence[Dependency]) - Required - The dependencies for which to collect installer flags.

### Request Example
N/A

### Response
#### Success Response
- **list[str]** - The list of installer flags.

#### Response Example
N/A
```

--------------------------------

### Verify Hatch installation with hatch --version

Source: https://hatch.pypa.io/latest/install

After installing Hatch, run this command to verify that the shell can find and run the `hatch` command in your `PATH`. The expected output is shown.

```shell
$ hatch --version
1.18.1

```

--------------------------------

### Install a Python distribution with hatch python install

Source: https://hatch.pypa.io/latest/tutorials/python/manage

Installs the Python 3.12 distribution. Downloads it, unpacks it into a directory named '3.12' within the configured default directory, and adds the installation to the user PATH. Restart the shell for PATH changes to take effect.

```bash
hatch python install 3.12
```

--------------------------------

### app_status_project_installation context manager

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Context manager that shows installation status, using 'Installing project in development mode' when dev_mode is enabled, otherwise 'Installing project'.

```python
@contextmanager
def app_status_project_installation(self):
    """
    See the [life cycle of environments](reference.md#life-cycle).
    """
    if self.dev_mode:
        with self.app.status("Installing project in development mode"):
            yield
    else:
        with self.app.status("Installing project"):
            yield

```

--------------------------------

### Enable UV installer in hatch.toml

Source: https://hatch.pypa.io/latest/blog/2024/05/02/hatch-v1100

Set the installer option to uv in the hatch.toml configuration file to use UV for the default environment.

```TOML
[envs.default]
installer = "uv"

```

--------------------------------

### hatch python install all

Source: https://hatch.pypa.io/latest/cli/reference

Installs all compatible Python distributions.

```shell
hatch python install all

```

--------------------------------

### Install Hatch via GitHub Actions

Source: https://hatch.pypa.io/latest/install

Use the pypa/hatch action with the install target to install Hatch in a GitHub Actions workflow. Refer to the official action for more information.

```yaml
- name: Install Hatch
  uses: pypa/hatch@install

```

--------------------------------

### hatch python install usage

Source: https://hatch.pypa.io/latest/cli/reference

Shows the usage of the hatch python install subcommand.

```shell
hatch python install [OPTIONS] NAMES...

```

--------------------------------

### Pre-install commands configuration (hatch.toml)

Source: https://hatch.pypa.io/latest/config/environment/overview

Defines commands to run immediately before the environment installs the project, using the [envs.<ENV_NAME>] table in hatch.toml.

```TOML
[envs.<ENV_NAME>]
pre-install-commands = [
  "...",
]

```

--------------------------------

### Confirm project installation with pip show

Source: https://hatch.pypa.io/latest/environment

Confirms the project is installed in the active environment.

```shell
(hatch-demo) $ pip show hatch-demo
Name: hatch-demo
Version: 0.0.1
...
```

--------------------------------

### Post-install commands configuration (hatch.toml)

Source: https://hatch.pypa.io/latest/config/environment/overview

Defines commands to run immediately after environments install your project, using the [envs.<ENV_NAME>] table.

```TOML
[envs.<ENV_NAME>]
post-install-commands = [
  "...",
]

```

--------------------------------

### Enable UV installer in pyproject.toml

Source: https://hatch.pypa.io/latest/blog/2024/05/02/hatch-v1100

Set the installer option to uv in the default environment to use UV in place of virtualenv and pip for virtual environment creation and dependency management. This often results in a significant performance benefit.

```TOML
[tool.hatch.envs.default]
installer = "uv"

```

--------------------------------

### Pre-install commands configuration (pyproject.toml)

Source: https://hatch.pypa.io/latest/config/environment/overview

Defines commands to run immediately before the environment installs the project. Configured under [tool.hatch.envs.<ENV_NAME>] in pyproject.toml.

```TOML
[tool.hatch.envs.<ENV_NAME>]
pre-install-commands = [
  "...",
]

```

--------------------------------

### get_source_install_args method

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Returns global installer flags derived from sources, surfacing every IndexSource as --extra-index-url, deduplicated and order-preserving.

```python
def get_source_install_args(self, dependencies: Sequence[Dependency]) -> list[str]:
    """
    Returns global installer flags derived from the
    [sources](../../config/environment/sources.md) that apply to the given dependencies.
    Currently this surfaces every `IndexSource` as `--extra-index-url`, deduplicated
    and order-preserving.
    """
    from hatch.project.sources import collect_global_install_args

    return collect_global_install_args(dependencies, self.sources)

```

--------------------------------

### Install multiple Python distributions with hatch python install

Source: https://hatch.pypa.io/latest/tutorials/python/manage

Installs multiple Python distributions at once by providing multiple distribution names. The update and remove commands also support this functionality.

```bash
hatch python install 3.12 3.11 pypy3.10
```

--------------------------------

### Post-install commands configuration (pyproject.toml)

Source: https://hatch.pypa.io/latest/config/environment/overview

Defines commands to run immediately after environments install your project, using the [tool.hatch.envs.<ENV_NAME>] table.

```TOML
[tool.hatch.envs.<ENV_NAME>]
post-install-commands = [
  "...",
]

```

--------------------------------

### List Python distributions with hatch python show

Source: https://hatch.pypa.io/latest/tutorials/python/manage

Shows all available and installed Python distributions. The output includes a table of installed distributions and a table of available ones with their versions.

```bash
$ hatch python show
    Installed
┏━━━━━━┳━━━━━━━━━┓
┃ Name ┃ Version ┃
┡━━━━━━╇━━━━━━━━━┩
│ 3.12 │ 3.12.7  │
└──────┴─────────┘
      Available
┏━━━━━━━━━━┳━━━━━━━━━┓
┃ Name     ┃ Version ┃
┡━━━━━━━━━━╇━━━━━━━━━┩
│ 3.7      │ 3.7.9   │
├──────────┼─────────┤
│ 3.8      │ 3.8.20  │
├──────────┼─────────┤
│ 3.9      │ 3.9.20  │
├──────────┼─────────┤
│ 3.10     │ 3.10.15 │
├──────────┼─────────┤
│ 3.11     │ 3.11.10 │
├──────────┼─────────┤
│ 3.13     │ 3.13.0  │
├──────────┼─────────┤
│ pypy2.7  │ 7.3.15  │
├──────────┼─────────┤
│ pypy3.9  │ 7.3.15  │
├──────────┼─────────┤
│ pypy3.10 │ 7.3.15  │
└──────────┴─────────┘
```

--------------------------------

### Configure version scheme in hatch.toml

Source: https://hatch.pypa.io/latest/plugins/version-scheme/reference

Example configuration for the version scheme in hatch.toml, showing the [version] table.

```toml
[version]
```

--------------------------------

### sync_dependencies abstract method

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Required method that installs the dependencies in the environment.

```python
@abstractmethod
def sync_dependencies(self):
    """
    :material-align-horizontal-left: **REQUIRED** :material-align-horizontal-right:

    This should install the dependencies in the environment.
    """

```

--------------------------------

### Custom builder example (hatch_build.py)

Source: https://hatch.pypa.io/latest/plugins/builder/custom

Example of a custom builder class that inherits from BuilderInterface. If multiple subclasses are found, define a get_builder function that returns the desired builder. Any defined PLUGIN_NAME is ignored and will always be 'custom'.

```python
from hatchling.builders.plugin.interface import BuilderInterface


class CustomBuilder(BuilderInterface):
    ...

```

--------------------------------

### Define CLI entry point in pyproject.toml

Source: https://hatch.pypa.io/latest/config/metadata

Defines a CLI script that will be available on PATH after installation.

```TOML
[project.scripts]
cli-name = "pkg.subpkg:func"

```

--------------------------------

### Define GUI entry point in pyproject.toml

Source: https://hatch.pypa.io/latest/config/metadata

Defines a GUI script, handled specially on Windows to start without a console.

```TOML
[project.gui-scripts]
gui-name = "pkg.subpkg:func"

```

--------------------------------

### Expanded environments for hatch-test matrix

Source: https://hatch.pypa.io/latest/tutorials/testing/overview

Lists the environments that result from expanding the example matrix configuration.

```text
hatch-test.py3.12
hatch-test.py3.11
hatch-test.py3.11-foo
hatch-test.py3.11-bar
```

--------------------------------

### Set virtual environment directory to home

Source: https://hatch.pypa.io/latest/config/hatch

Example of storing virtual environments in a `.virtualenvs` directory within the home directory.

```TOML
[dirs.env]
virtual = "~/.virtualenvs"

```

--------------------------------

### Configure version scheme in pyproject.toml

Source: https://hatch.pypa.io/latest/plugins/version-scheme/reference

Example configuration for the version scheme in pyproject.toml, showing the [tool.hatch.version] table.

```toml
[tool.hatch.version]
```

--------------------------------

### Setuptools vs Hatch build system migration

Source: https://hatch.pypa.io/latest/meta/faq

Shows the migration path from Setuptools to Hatch for the build system. The source lists setup.py and MANIFEST.in as the files involved in the migration, but no code is displayed for them.

```text
setup.py MANIFEST.in
```

--------------------------------

### Configure default environment dependencies in pyproject.toml

Source: https://hatch.pypa.io/latest/tutorials/environment/basic-usage

Adds the `tool.hatch.envs.default` table to `pyproject.toml` to customize tools installed into the `default` environment. The example adds the dependencies `pydantic` and `numpy`.

```TOML
[tool.hatch.envs.default]
dependencies = [
  "pydantic",
  "numpy",
]

```

--------------------------------

### Name overrides with regex matching in pyproject.toml and hatch.toml

Source: https://hatch.pypa.io/latest/config/environment/advanced

Uses the name source to match generated environment names with a regular expression. The example sets an environment variable for versions starting with 0.

```toml
[tool.hatch.envs.test.overrides]
name."^0".env-vars = "TESTING_UNSTABLE=true"

[[tool.hatch.envs.test.matrix]]
version = ["0.1.0", "0.2.0", "1.0.0"]

```

```toml
[envs.test.overrides]
name."^0".env-vars = "TESTING_UNSTABLE=true"

[[envs.test.matrix]]
version = ["0.1.0", "0.2.0", "1.0.0"]

```

--------------------------------

### Hatch environment context formatting example

Source: https://hatch.pypa.io/latest/config/context

Shows the same dependency configuration using Hatch's native TOML syntax. Use this when configuring Hatch environments directly in hatch.toml.

```TOML
[envs.test]
dependencies = [
    "example-project @ {root:parent:parent:uri}/example-project",
]

```

--------------------------------

### Disable UV in script environment (script.py)

Source: https://hatch.pypa.io/latest/how-to/run/python-scripts

Example of adding a `[tool.hatch]` table to the script's metadata block to control the environment. Here, `installer = "pip"` disables UV, which is enabled by default for scripts.

```python
# /// script
# ...
# [tool.hatch]
# installer = "pip"
# ///

```

--------------------------------

### Create a new project with hatch new

Source: https://hatch.pypa.io/latest/intro

Run this command to create a new project named 'Hatch Demo'. It generates a standard project structure in the current working directory.

```bash
hatch new "Hatch Demo"

```

--------------------------------

### __enter__

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Enter the context manager.

```APIDOC
## __enter__()

### Description
Enters the context manager by activating the environment.

### Method
N/A (Python method)

### Endpoint
N/A (Python method)

### Parameters
None

### Request Example
N/A

### Response
#### Success Response
- **self** - The environment instance.

#### Response Example
N/A
```

--------------------------------

### Install a Python distribution privately with --private flag

Source: https://hatch.pypa.io/latest/tutorials/python/manage

Installs a Python distribution without adding it to the user PATH. When combined with the directory option, this can be used to create private, isolated installations.

```bash
hatch python install 3.12 --private
```

--------------------------------

### View environments with `hatch env show`

Source: https://hatch.pypa.io/latest/tutorials/environment/basic-usage

Displays all currently created environments and their dependencies in a table. The output may have more columns depending on your environment configuration.

```text
$ hatch env show
             Standalone
┏━━━━━━━━━┳━━━━━━━┳━━━━━━━━━━━━━━┓
┃ Name    ┃ Type    ┃ Dependencies ┃
┡━━━━━━━━━╇━━━━━━━━━╇━━━━━━━━━━━━━━┩
│ default │ virtual │              │
├─────────┼─────────┼──────────────┤
│ test    │ virtual │ pytest       │
│         │         │ pytest-cov   │
└─────────┴─────────┴──────────────┘

```

--------------------------------

### Environment preparation logic in src/hatch/project/core.py

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Life cycle logic run whenever an environment is used. Creates the environment if it does not exist, resets metadata, and runs pre-install commands when configured.

```python
def prepare_environment(self, environment: EnvironmentInterface, *, keep_env: bool):
    if not environment.exists():
        with self.managed_environment(environment, keep_env=keep_env):
            self.env_metadata.reset(environment)

            with environment.app_status_creation():
                environment.create()

            if not environment.skip_install:
                if environment.pre_install_commands:
                    with environment.app_status_pre_installation():
                        self.app.run_shell_commands(
                            ExecutionContext(
                                environment,
                                shell_commands=environment.pre_install_commands,
                                source=
```

--------------------------------

### Run script with hatch run (command and output)

Source: https://hatch.pypa.io/latest/how-to/run/python-scripts

Command to run the script directly with `hatch run /path/to/script.py`. The output shows the environment creation and dependency syncing, followed by the pretty-printed list of the first 10 PEPs. The informational text is only shown on the first run.

```bash
$ hatch run /path/to/script.py
Creating environment: SyB4bPbL
Checking dependencies
Syncing dependencies
[
│   ('1', 'PEP Purpose and Guidelines'),
│   ('2', 'Procedure for Adding New Modules'),
│   ('3', 'Guidelines for Handling Bug Reports'),
│   ('4', 'Deprecation of Standard Modules'),
│   ('5', 'Guidelines for Language Evolution'),
│   ('6', 'Bug Fix Releases'),
│   ('7', 'Style Guide for C Code'),
│   ('8', 'Style Guide for Python Code'),
│   ('9', 'Sample Plaintext PEP Template'),
│   ('10', 'Voting Guidelines')
]

```

--------------------------------

### Set Python installations directory

Source: https://hatch.pypa.io/latest/config/hatch

Configures the directory where specific versions of Python are installed. The special value `isolated` (default) maps to `<DATA_DIR>/pythons`.

```TOML
[dirs]
python = "..."

```

--------------------------------

### install_project_dev_mode() abstract method

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Required abstract method that installs the project in the environment so the environment always reflects the current state of the project. Source code is in src/hatch/env/plugin/interface.py.

```python
@abstractmethod
def install_project_dev_mode(self):
    """
    :material-align-horizontal-left: **REQUIRED** :material-align-horizontal-right:

    This should install the project in the environment such that the environment
    always reflects the current state of the project.
    """

```

--------------------------------

### Configure dev-mode-dirs in hatch.toml

Source: https://hatch.pypa.io/latest/config/build

Overrides automatic detection of directories added to Python's search path for dev mode environment installations or editable installs.

```TOML
[build]
dev-mode-dirs = ["."]

```

--------------------------------

### Download Hatch installer with curl

Source: https://hatch.pypa.io/latest/install

Downloads the macOS installer package using curl. The `-o` option specifies the output file name `hatch-universal.pkg` in the current directory.

```shell
curl -Lo hatch-universal.pkg https://github.com/pypa/hatch/releases/latest/download/hatch-universal.pkg

```

--------------------------------

### Show environments with `hatch env show --ascii`

Source: https://hatch.pypa.io/latest/environment

Displays the standalone and matrix environments generated from the matrix configuration. The output shows the environment names and dependencies.

```text
$ hatch env show --ascii
     Standalone
+---------+---------+
| Name    | Type    |
+=========+=========+
| default | virtual |
+---------+---------+
                        Matrices
+------+---------+----------------------+--------------+
| Name | Type    | Envs                 | Dependencies |
+======+=========+======================+==============+
| test | virtual | test.py3.10-42       | pytest       |
|      |         | test.py3.10-3.14     |              |
|      |         | test.py3.11-42       |              |
|      |         | test.py3.11-3.14     |              |
|      |         | test.py3.11-9000-foo |              |
|      |         | test.py3.11-9000-bar |              |
|      |         | test.py3.12-9000-foo |              |
|      |         | test.py3.12-9000-bar |              |
+------+---------+----------------------+--------------+

```

--------------------------------

### Run pytest in the test environment

Source: https://hatch.pypa.io/latest/tutorials/environment/basic-usage

Runs `pytest` inside the `test` environment defined earlier. The first run creates the environment, installs the project in dev mode, and installs the environment's dependencies.

```text
$ hatch run test:pytest

```

--------------------------------

### Equivalent configuration for packages option in hatch.toml

Source: https://hatch.pypa.io/latest/config/build

Shows that `packages = ["src/foo"]` for the wheel target is equivalent to setting `only-include` and `sources` as shown.

```toml
[build.targets.wheel]
only-include = ["src/foo"]
sources = ["src"]

```

--------------------------------

### Configure dev-mode-dirs in pyproject.toml

Source: https://hatch.pypa.io/latest/config/build

Overrides automatic detection of directories added to Python's search path for dev mode environment installations or editable installs. Set to ["."] to add the project root.

```TOML
[tool.hatch.build]
dev-mode-dirs = ["."]

```

--------------------------------

### Configure UV to use private indices with PyPI fallback (hatch.toml)

Source: https://hatch.pypa.io/latest/how-to/environment/dependency-resolution

Same UV configuration as the pyproject.toml example but placed in hatch.toml under [envs.default.env-vars]. Uses UV_INDEX and UV_DEFAULT_INDEX with token authentication and PyPI as the default index.

```TOML
[envs.default.env-vars]
UV_INDEX = "https://token:{env:GITLAB_API_TOKEN}@gitlab.com/api/v4/groups/<group1_path>/-/packages/pypi/simple/ https://token:{env:GITLAB_API_TOKEN}@gitlab.com/api/v4/groups/<group2_path>/-/packages/pypi/simple/"
UV_DEFAULT_INDEX = "https://pypi.org/simple/"

```

--------------------------------

### Path modifier example in pyproject.toml

Source: https://hatch.pypa.io/latest/config/context

Uses the root path with chained parent modifiers and the uri modifier to reference an example project dependency. The parent modifier can be chained and combined with uri or real, with the latter placed at the end.

```TOML
[tool.hatch.envs.test]
dependencies = [
    "example-project @ {root:parent:parent:uri}/example-project",
]

```

--------------------------------

### Custom build hook implementation example

Source: https://hatch.pypa.io/latest/plugins/build-hook/custom

Example implementation of a custom build hook class that inherits from BuildHookInterface. The class can be customized as needed, and if multiple subclasses are found, a get_build_hook function must be defined to return the desired hook.

```python
from hatchling.builders.hooks.plugin.interface import BuildHookInterface


class CustomBuildHook(BuildHookInterface):
    ...
```

--------------------------------

### Create environment with hatch env create

Source: https://hatch.pypa.io/latest/environment

Creates the default environment for the project. The output shows the environment being created, the project installed in development mode, and dependencies synced.

```shell
$ hatch env create
Creating environment: default
Installing project in development mode
Syncing dependencies

```

--------------------------------

### get_context

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Method to get an environment context formatter.

```APIDOC
## get_context() -> EnvironmentContextFormatter

### Description
Returns a subclass of `EnvironmentContextFormatter`.

### Method
N/A (Python method)

### Endpoint
N/A (Python method)

### Parameters
None

### Request Example
N/A

### Response
#### Success Response
- **EnvironmentContextFormatter** - A formatter for environment context.

#### Response Example
N/A
```

--------------------------------

### get_env_var_option

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Method to get an environment variable option.

```APIDOC
## get_env_var_option(option: str) -> str

### Description
Returns the value of the upper-cased environment variable `HATCH_ENV_TYPE_<PLUGIN_NAME>_<option>`.

### Method
N/A (Python method)

### Endpoint
N/A (Python method)

### Parameters
- **option** (str) - Required - The option name to construct the environment variable.

### Request Example
N/A

### Response
#### Success Response
- **str** - The value of the environment variable.

#### Response Example
N/A
```

--------------------------------

### get_env_vars

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Method to get environment variables for the environment.

```APIDOC
## get_env_vars() -> EnvVars

### Description
Returns a mapping of environment variables that should be available to the environment. The object can be used as a context manager to temporarily apply the environment variables to the current process. The environment variable `HATCH_ENV_ACTIVE` will always be set to the name of the environment.

### Method
N/A (Python method)

### Endpoint
N/A (Python method)

### Parameters
None

### Request Example
N/A

### Response
#### Success Response
- **EnvVars** - A mapping of environment variables.

#### Response Example
N/A
```

--------------------------------

### Set subdirectory for path source in pyproject.toml

Source: https://hatch.pypa.io/latest/config/environment/sources

Use when the package lives below the path root. For editable installs the subdirectory is resolved into the path itself (equivalent to `path = "./monorepo/packages/foo"`); for non-editable installs it is passed as a URL fragment, which also supports archives.

```TOML
[tool.hatch.sources]
foo = { path = "./monorepo", subdirectory = "packages/foo" }

```

--------------------------------

### Configure path source with editable flag in hatch.toml

Source: https://hatch.pypa.io/latest/config/environment/sources

Configures a path source in hatch.toml with an explicit editable flag. `editable` defaults to `true` to match Hatch's existing handling of local installs; set `editable = false` for a non-editable install.

```TOML
[sources]
foo = { path = "./packages/foo", editable = true }

```

--------------------------------

### Path source full form with editable flag (pyproject.toml)

Source: https://hatch.pypa.io/latest/config/environment/sources

Full form of the path source with an explicit `editable = true`. `editable` defaults to `true` to match Hatch's existing handling of local installs; set `editable = false` for a non-editable install.

```TOML
[tool.hatch.sources]
foo = { path = "./packages/foo", editable = true }

```

--------------------------------

### Override dev-mode directory detection with dev-mode-dirs

Source: https://hatch.pypa.io/latest/config/build

Overrides automatic detection of directories added to Python's search path for dev mode environment installations or editable installs. Use this option to instruct the wheel target or other build targets which directories to add.

```TOML
[tool.hatch.build]
dev-mode-dirs = ["."]

```

```TOML
[build]
dev-mode-dirs = ["."]

```

--------------------------------

### hatch python update all

Source: https://hatch.pypa.io/latest/cli/reference

Updates all installed Python distributions.

```shell
hatch python update all

```

--------------------------------

### Equivalent configuration for packages option in pyproject.toml

Source: https://hatch.pypa.io/latest/config/build

Shows that `packages = ["src/foo"]` for the wheel target is equivalent to setting `only-include` and `sources` as shown.

```toml
[tool.hatch.build.targets.wheel]
only-include = ["src/foo"]
sources = ["src"]

```

--------------------------------

### hatch python remove all

Source: https://hatch.pypa.io/latest/cli/reference

Removes all installed Python distributions.

```shell
hatch python remove all

```

--------------------------------

### get_option_types

Source: https://hatch.pypa.io/latest/plugins/environment/reference

Static method to get supported option types.

```APIDOC
## get_option_types() -> dict

### Description
Returns a mapping of supported options to their respective types so that they can be used by overrides.

### Method
N/A (Python method)

### Endpoint
N/A (Python method)

### Parameters
None

### Request Example
N/A

### Response
#### Success Response
- **dict** - A mapping of option names to types.

#### Response Example
N/A
```

--------------------------------

### Build all workspace members with hatch build --all

Source: https://hatch.pypa.io/latest/blog/2026/08/11/hatch-v1180

Builds an sdist and a wheel for the workspace root and every member of the selected environment, consolidating artifacts in the root's dist directory. The root is built first and does not need to list itself as a member.

```bash
hatch build --all

```

--------------------------------

### Define test environment in pyproject.toml with pytest dependencies

Source: https://hatch.pypa.io/latest/tutorials/environment/basic-usage

Adds a `test` environment to the `[tool.hatch.envs]` table in `pyproject.toml`, declaring `pytest` and `pytest-cov` as dependencies. On first use, Hatch creates the environment, installs the project in dev mode by default, and installs the environment's dependencies.

```TOML
[tool.hatch.envs.test]
dependencies = [
  "pytest",
  "pytest-cov"
]

```

--------------------------------

### Set environment directory template

Source: https://hatch.pypa.io/latest/config/hatch

Shows the general structure for configuring storage locations for each environment type.

```TOML
[dirs.env]
<ENV_TYPE> = "..."

```

--------------------------------

### Register a Hatch plugin entry point

Source: https://hatch.pypa.io/latest/plugins/about

Defines the project as a Python plugin for Hatch by declaring the entry point in pyproject.toml. The name of the plugin should be the project name (excluding any `hatch-` prefix).

```TOML
[project.entry-points.hatch]
foo = "pkg.hooks"

```