build: hatchling

python-projector/deps/lock/aarch64-apple-darwin/.requirements_dev.in.sha256

@@ -1 +1 @@
-ac3fdd902054a1108a5a604bf5770727c147a73542f52a85f6d838d12ef21226  requirements_dev.in
+50d144951924e4a0b684e88565a95bff8903768b3e8d80f8f7a1f0d24ec728ba  requirements_dev.in

python-projector/deps/lock/aarch64-apple-darwin/requirements_dev.txt

@@ -215,6 +215,8 @@ typing-extensions==4.12.2
     # via typer
 urllib3==2.2.2
     # via requests
+version-pioneer==0.0.9
+    # via -r requirements_dev.in
 versioneer==0.29
     # via -r requirements.in
 verspec==0.1.0

python-projector/deps/lock/x86_64-apple-darwin/.requirements_dev.in.sha256

@@ -1 +1 @@
-ac3fdd902054a1108a5a604bf5770727c147a73542f52a85f6d838d12ef21226  requirements_dev.in
+50d144951924e4a0b684e88565a95bff8903768b3e8d80f8f7a1f0d24ec728ba  requirements_dev.in

python-projector/deps/lock/x86_64-apple-darwin/requirements_dev.txt

@@ -215,6 +215,8 @@ typing-extensions==4.12.2
     # via typer
 urllib3==2.2.2
     # via requests
+version-pioneer==0.0.9
+    # via -r requirements_dev.in
 versioneer==0.29
     # via -r requirements.in
 verspec==0.1.0

python-projector/deps/lock/x86_64-manylinux_2_28/.requirements_dev.in.sha256

@@ -1 +1 @@
-ac3fdd902054a1108a5a604bf5770727c147a73542f52a85f6d838d12ef21226  requirements_dev.in
+50d144951924e4a0b684e88565a95bff8903768b3e8d80f8f7a1f0d24ec728ba  requirements_dev.in

python-projector/deps/lock/x86_64-manylinux_2_28/requirements_dev.txt

@@ -215,6 +215,8 @@ typing-extensions==4.12.2
     # via typer
 urllib3==2.2.2
     # via requests
+version-pioneer==0.0.9
+    # via -r requirements_dev.in
 versioneer==0.29
     # via -r requirements.in
 verspec==0.1.0

python-projector/deps/requirements_dev.in

@@ -1,5 +1,6 @@
 -r requirements.in
 -r requirements_docs.in
+version-pioneer
 ruff==0.8.0
 pytest>=8.0.1
 pytest-cov>=4.1.0

python-projector/pyproject.toml

@@ -1,14 +1,32 @@
 [build-system]
-requires = ["setuptools>=60", "versioneer[toml]==0.29"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling", "hatch-requirements-txt", "version-pioneer"]
+build-backend = "hatchling.build"
 
-[tool.versioneer]
-VCS = "git"
-style = "pep440"
-versionfile_source = "src/python_projector/_version.py" # CHANGE
-versionfile_build = "python_projector/_version.py"      # CHANGE
-tag_prefix = "v"
-parentdir_prefix = "python-projector-"                  # CHANGE
+[tool.hatch.metadata.hooks.requirements_txt]
+files = ["deps/requirements.in"]
+
+[tool.hatch.metadata.hooks.requirements_txt.optional-dependencies]
+dev = ["deps/requirements_dev.in"]
+
+[tool.hatch.version]
+source = "version-pioneer"
+
+[tool.hatch.build.hooks.version-pioneer]
+
+[tool.version-pioneer]
+versionscript = "src/python_projector/_version.py"
+versionfile-sdist = "src/python_projector/_version.py"
+versionfile-wheel = "python_projector/_version.py"
+
+[tool.hatch.build.targets.sdist]
+include = [
+  "src",
+  "tests",
+  "deps",
+]
+
+[tool.hatch.build.targets.wheel]
+sources = ["src"]
 
 [project]
 name = "python-projector" # CHANGE
@@ -37,18 +55,6 @@ keywords = ["development", "template"]
 [project.scripts]
 projector = "python_projector.cli:main"  # CHANGE
 
-[tool.setuptools]
-license-files = []
-
-[tool.setuptools.dynamic]
-dependencies = {file = ["deps/requirements.in"]}
-
-[tool.setuptools.package-data]
-python_projector = ["scripts/**/*.sh", "scripts/**/*.py"]  # CHANGE (name of the importing module name)
-
-[tool.setuptools.packages.find]
-where = ["src"]
-
 [tool.projector.pip-compile]
 requirements-in-dir = "deps"
 requirements-out-dir = "deps/lock"

python-projector/src/python_projector/__init__.py

@@ -32,14 +32,19 @@
 """  # fmt: skip
 
 # ruff: noqa: PLW0603
+import json
 import os
+from functools import cache
+from importlib.metadata import Distribution, PackageNotFoundError
 from os import PathLike
 from pathlib import Path
 
-from . import _version
+from ._version import get_version_dict
 from .utils.deferred_logger import DeferredLogger
 
-__version__ = _version.get_versions()["version"]
+__version__ = get_version_dict()["version"]
+
+
 APP_NAME = __name__
 APP_NAME_UPPER = APP_NAME.upper()
 PACKAGE_NAME = APP_NAME.replace("_", "-")
@@ -48,10 +53,26 @@
 # │          directory definitions and environment variables / dotenv                │
 # └──────────────────────────────────────────────────────────────────────────────────┘
 
+
+@cache
+def pkg_is_editable():
+    try:
+        direct_url = Distribution.from_name(PACKAGE_NAME).read_text("direct_url.json")
+    except PackageNotFoundError:
+        # Not installed?
+        return False
+
+    if direct_url is None:
+        # package is not installed at all
+        return False
+    return json.loads(direct_url).get("dir_info", {}).get("editable", False)
+
+
 # NOTE: The value is None if you haven't installed with `pip install -e .` (development mode).
 # We make it None to discourage the use of this path. Only use for development.
-PROJECT_DIR: Path | None = Path(__file__).parent.parent.parent
-if PROJECT_DIR.name.startswith("python3."):
+if pkg_is_editable():
+    PROJECT_DIR = Path(__file__).parent.parent.parent
+else:
     PROJECT_DIR = None
 
 SCRIPTS_DIR = Path(__file__).parent / "scripts"