Modernize pyproject.toml and remove versioneer

.flake8

@@ -0,0 +1,17 @@
+[flake8]
+max-line-length = 100
+inline-quotes = "
+exclude =
+    graphblas_algorithms/*/tests/,
+    graphblas_algorithms/*/*/tests/,
+    build/
+extend-ignore =
+    E203,
+    SIM105,
+    SIM401,
+# E203 whitespace before ':' (to be compatible with black)
+per-file-ignores =
+    __init__.py:F401,F403,  # allow unused and star imports
+    test_*.py:F401,F403,
+    graphblas_algorithms/nxapi/exception.py:F401,
+    graphblas_algorithms/**/__init__.py:F401,F403

.pre-commit-config.yaml

@@ -47,7 +47,6 @@ repos:
     rev: 23.1.0
     hooks:
       - id: black
-        args: [--target-version=py38]
   - repo: https://github.com/PyCQA/flake8
     rev: 6.0.0
     hooks:
@@ -68,6 +67,7 @@ repos:
     hooks:
       - id: codespell
         types_or: [python, rst, markdown]
+        additional_dependencies: [tomli]
         files: ^(graphblas_algorithms|docs)/
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.4.0

MANIFEST.in

@@ -1,9 +1,5 @@
 recursive-include graphblas_algorithms *.py
 include setup.py
-include setup.cfg
 include README.md
 include LICENSE
 include MANIFEST.in
-include versioneer.py
-include requirements.txt
-include graphblas_algorithms/_version.py

environment.yml

@@ -50,6 +50,7 @@ dependencies:
     - requests
     # For debugging
     - icecream
+    - ipykernel
     - ipython
     # For type annotations
     - mypy

graphblas_algorithms/__init__.py

@@ -1,6 +1,16 @@
-from . import _version
+import importlib.metadata
+
 from .classes import *
 
 from .algorithms import *  # isort:skip
 
-__version__ = _version.get_versions()["version"]
+try:
+    __version__ = importlib.metadata.version("graphblas-algorithms")
+except Exception as exc:  # pragma: no cover (safety)
+    raise AttributeError(
+        "`graphblas_algorithms.__version__` not available. This may mean "
+        "graphblas-algorithms was incorrectly installed or not installed at all. "
+        "For local development, you may want to do an editable install via "
+        "`python -m pip install -e path/to/graphblas-algorithms`"
+    ) from exc
+del importlib