Merge pyproject.toml changes into RC_v1.6.x

pyproject.toml

@@ -0,0 +1,45 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "tobac"
+version = "1.6.1"
+authors = [
+      { name="Max Heikenfeld", email="max.heikenfeld@physics.ox.ac.uk" },
+      { name="William Jones", email="william.jones@physics.ox.ac.uk" },
+      { name="Fabian Senf", email="senf@tropos.de" },
+      { name="Sean Freeman", email="sean.freeman@uah.edu" },
+      { name="Julia Kukulies", email="kukulies@ucar.edu" },
+      { name="Kelcy Brunner", email="Kelcy.Brunner@ttu.edu" },
+]
+description = "A package for identifying and tracking atmospheric phenomena"
+readme = "README.md"
+requires-python = ">=3.7"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Console",
+    "Intended Audience :: Education",
+    "Intended Audience :: Science/Research",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: POSIX :: Linux",
+    "Operating System :: MacOS :: MacOS X",
+    "Operating System :: Microsoft :: Windows",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Topic :: Scientific/Engineering",
+    "Topic :: Scientific/Engineering :: Atmospheric Science",
+]
+
+[project.urls]
+Homepage = "http://github.com/tobac-project/tobac"
+Documentation = "http://tobac.io"
+Issues = "http://github.com/tobac-project/tobac/issues"

setup.py

@@ -72,28 +72,6 @@ def get_packages(package_name):
 
 
 setup(
-    name=PACKAGE_NAME,
-    version=get_version(PACKAGE_NAME),
-    description="Tracking and object-based analysis of clouds",
-    url="http://github.com/tobac-project/tobac",
-    classifiers=CLASSIFIERS,
-    author=[
-        "Max Heikenfeld",
-        "William Jones",
-        "Fabian Senf",
-        "Sean Freeman",
-        "Julia Kukulies",
-        "Peter Marinescu",
-    ],
-    author_email=[
-        "max.heikenfeld@physics.ox.ac.uk",
-        "william.jones@physics.ox.ac.uk",
-        "senf@tropos.de",
-        "sean.freeman@uah.edu",
-        "julia.kukulies@gu.se",
-        "peter.marinescu@colostate.edu",
-    ],
-    license="BSD-3-Clause License",
     packages=get_packages(PACKAGE_NAME),
     install_requires=get_requirements("requirements.txt"),
     test_requires=["pytest"],

tobac/__init__.py

@@ -81,6 +81,29 @@
 from .wrapper import maketrack
 from .wrapper import tracking_wrapper
 from . import merge_split
+import importlib.metadata
+import pathlib
+
+# default version number
+__version__ = "unknown_dev_version"
 
 # Set version number
-__version__ = "1.6.1"
+# This version should work without needing the package installed
+try:
+    __version__ = importlib.metadata.version(__package__ or __name__)
+except importlib.metadata.PackageNotFoundError:
+    # need to get version directly from text file
+    try:
+        import tomllib
+
+        pyproject_toml_file_name = pathlib.Path(__file__).parent / "pyproject.toml"
+        if pyproject_toml_file_name.exists() and pyproject_toml_file_name.is_file():
+            toml_data = tomllib.load(pyproject_toml_file_name)
+            if "project" in toml_data and "version" in toml_data["project"]:
+                version = toml_data["project"]["version"]
+
+    except ImportError:
+        # on python <3.11 but not installing tobac.
+        # don't bother giving precise version number.
+        __version__ = "unknown_dev_version"
+    pass

tobac/tests/test_import.py

@@ -18,4 +18,7 @@ def test_version():
     # Make sure that we are following semantic versioning
     # i.e., our version is of form x.x.x, where x are all
     # integer numbers.
-    assert re.match(r"[0-9]+\.[0-9]+\.[0-9]+", tobac.__version__) is not None
+    assert (
+        re.match(r"[0-9]+\.[0-9]+\.[0-9]+", tobac.__version__) is not None
+        or tobac.__version__ == "unknown_dev_version"
+    )