build: move to hatch, src and pyproject.toml

.gitignore

@@ -110,3 +110,4 @@ tests/plots
 /data/backup/B2K1Gamma_RapidSim_7TeV_Tree.root
 /data/backup/B2KstGamma_RapidSim_7TeV_KstarNonResonant_Tree.root
 /data/backup/B2KstGamma_RapidSim_7TeV_Tree.root
+/src/phasespace/_version.py

.pre-commit-config.yaml

@@ -23,15 +23,16 @@ repos:
       - id: fix-byte-order-marker
       - id: check-ast
 
-  - repo: https://github.com/PyCQA/docformatter
-    rev: v1.7.5
-    hooks:
-      - id: docformatter
-        args:
-          - -r
-          - --in-place
-          - --wrap-descriptions=110
-          - --wrap-summaries=110
+  # Requires a fix: https://github.com/PyCQA/docformatter/issues/293
+  #  - repo: https://github.com/PyCQA/docformatter
+  #    rev: v1.7.6
+  #    hooks:
+  #      - id: docformatter
+  #        args:
+  #          - -r
+  #          - --in-place
+  #          - --wrap-descriptions=110
+  #          - --wrap-summaries=110
 
   - repo: https://github.com/pre-commit/pygrep-hooks
     rev: v1.10.0 # Use the ref you want to point at
@@ -41,56 +42,51 @@ repos:
       - id: python-no-eval
       - id: rst-directive-colons
 
-  - repo: https://github.com/PyCQA/flake8
-    rev: 7.1.1
-    hooks:
-      - id: flake8
-
   - repo: https://github.com/PyCQA/isort
     rev: 5.13.2
     hooks:
       - id: isort
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.17.0
+    rev: v3.19.1
     hooks:
       - id: pyupgrade
-        args: [--py39-plus]
+        args: [ --py39-plus ]
 
   - repo: https://github.com/mgedmin/check-manifest
-    rev: "0.49"
+    rev: "0.50"
     hooks:
       - id: check-manifest
-        stages: [manual]
+        stages: [ manual ]
 
   - repo: https://github.com/sondrelg/pep585-upgrade
     rev: "v1.0" # Use the sha / tag you want to point at
     hooks:
       - id: upgrade-type-hints
-        args: ["--futures=true"]
+        args: [ "--futures=true" ]
 
-  -   repo: https://github.com/MarcoGorelli/auto-walrus
-      rev: 0.3.4
-      hooks:
-      -   id: auto-walrus
+  - repo: https://github.com/MarcoGorelli/auto-walrus
+    rev: 0.3.4
+    hooks:
+      - id: auto-walrus
 
 
-#  - repo: https://github.com/pre-commit/mirrors-prettier
-#    rev: "v4.0.0-alpha.8"
-#    hooks:
-#      - id: prettier
+  #  - repo: https://github.com/pre-commit/mirrors-prettier
+  #    rev: "v4.0.0-alpha.8"
+  #    hooks:
+  #      - id: prettier
 
   - repo: https://github.com/kynan/nbstripout
-    rev: 0.7.1
+    rev: 0.8.1
     hooks:
       - id: nbstripout
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.6.9"
+    rev: "v0.8.6"
     hooks:
       - id: ruff
         types_or: [ python, pyi, jupyter ]
-        args: [ --fix, --unsafe-fixes, --show-fixes , --line-length=120]
+        args: [ --fix, --unsafe-fixes, --show-fixes , --line-length=120 ]
       # Run the formatter.
       - id: ruff-format
         types_or: [ python, pyi, jupyter ]

benchmark/bench_phasespace.py

@@ -11,7 +11,6 @@
 from timeit import default_timer
 
 import tensorflow as tf
-
 from phasespace import phasespace
 
 sys.path.append(os.path.dirname(__file__))

docs/conf.py

@@ -18,9 +18,8 @@
 # absolute, like shown here.
 #
 
-import sphinx_bootstrap_theme
-
 import phasespace
+import sphinx_bootstrap_theme
 
 # -- General configuration ---------------------------------------------
 

pyproject.toml

@@ -1,12 +1,125 @@
 [build-system]
-requires = [
-    "setuptools>=42",
-    "setuptools_scm[toml]>=3.4",
-    "setuptools_scm_git_archive",
-    "wheel"
+requires = ["hatchling>=1.17.1", "hatch-vcs"]
+build-backend = "hatchling.build"
+
+[project]
+name = "phasespace"
+description = "TensorFlow implementation of the Raubold and Lynch method for n-body events"
+authors = [{name = "Albert Puig Navarro", email = "apuignav@gmail.com"}]
+maintainers = [{name = "zfit", email = "zfit@physik.uzh.ch"}]
+license = {text = "BSD-3-Clause"}
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: BSD License",
+    "Natural Language :: English",
+    "Operating System :: MacOS",
+    "Operating System :: Unix",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Topic :: Scientific/Engineering :: Physics",
+]
+keywords = ["TensorFlow", "phasespace", "HEP"]
+urls = {Homepage = "https://github.com/zfit/phasespace"}
+requires-python = ">=3.9"
+dependencies = [
+    "tensorflow>=2.16.0",
+    "tensorflow_probability>=0.22.0",
+]
+dynamic = ["version"]
+
+[project.readme]
+file = "README.rst"
+content-type = "text/x-rst"
+
+[project.optional-dependencies]
+tf = [
+    "tensorflow", # TODO(2.0): make this the only requirement, add versions, remove from install_requires
+    "tensorflow_probability",
+]
+tensorflow = ["phasespace[tf]"]
+fromdecay = [
+    "particle >= 0.16.0",
+    "zfit >=0.12.0",
+    "zfit-physics >= 0.6",
+    "decaylanguage >= 0.12.0", # not required but everyone using this feature will likely use DecayLanguage
+]
+vector = ["vector >= 1.0.0"]
+all = [
+    "phasespace[fromdecay]",
+    "phasespace[vector]",
+    "phasespace[tf]",
+]
+test = [
+    "phasespace[all]",
+    "awkward>=1.0,<2.0",
+    "coverage",
+    "flaky",
+    "matplotlib",
+    "nbval",
+    "numpy",
+    "pytest",
+    "pytest-cov",
+    "pytest-xdist",
+    "scipy",
+    "uproot>=4.0,<5.0",
+    "wget",
 ]
+doc = [
+    "phasespace[fromdecay]",
+    "phasespace[vector]",
+    "graphviz",
+    "Sphinx",
+    "myst-nb",
+    "sphinx_bootstrap_theme",
+    "jupyter_sphinx",
+    "sphinx-math-dollar",
+]
+dev = [
+    "phasespace[doc]",
+    "phasespace[test]",
+    "bumpversion",
+    "pre-commit",
+    "twine",
+    "watchdog",
+]
+
+[tool.hatch]
+version.source = "vcs"
+build.hooks.vcs.version-file = "src/phasespace/_version.py"
+metadata.allow-direct-references = true
+
+[tool.distutils.bdist_wheel]
+universal = 1
+
+[tool.flake8]
+exclude = """
+benchmark,
+data,
+dist,
+docs,
+paper,
+scripts,
+utils"""
+max-line-length = "110"
+statistics = "True"
+max-complexity = "30"
+
+[tool.coverage.run]
+branch = true
+include = ["phasespace/*"]
+
+[tool.pytest.ini_options]
+addopts = """
+--color=yes
+--ignore=setup.py"""
+filterwarnings = ["ignore:.*the imp module is deprecated in favour of importlib.*:DeprecationWarning"]
+norecursedirs = ["tests/helpers"]
 
-build-backend = "setuptools.build_meta"
 
 [tool.isort]
 profile = "black"