MNT: Use pyproject.toml instead of setup.cfg

.flake8

@@ -0,0 +1,7 @@
+[flake8]
+max-line-length = 88
+ignore =
+    C408 # Unnecessary dict/list/tuple call - rewrite as a literal
+    E203 # whitespace before ':' - doesn't work well with black
+    E225 # missing whitespace around operator - let black worry about that
+    W503 # line break occurred before a binary operator - let black worry about that

.github/workflows/tests.yaml

@@ -69,7 +69,7 @@ jobs:
           . testenv/bin/activate
           python -m pip install --upgrade pip
           python -m pip install -r requirements-dev.txt
-          python -m pip install -e . --no-use-pep517 || python -m pip install -e .
+          python -m pip install -e .
           python -m pip install -r requirements-test.txt
 
       - name: Test
@@ -138,7 +138,7 @@ jobs:
           fi;
           conda create -n test $INSTALL_DEPS
           source activate test
-          python -m pip install -e . --no-use-pep517 || python -m pip install -e .
+          python -m pip install -e .
           python -m pip install -r requirements-test.txt
 
       - name: Check and Log Environment

pyproj/__init__.py

@@ -28,22 +28,7 @@
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 """
-__version__ = "3.4.0.dev0"
-__all__ = [
-    "Proj",
-    "Geod",
-    "CRS",
-    "Transformer",
-    "transform",
-    "itransform",
-    "pj_ellps",
-    "pj_list",
-    "get_ellps_map",
-    "get_prime_meridians_map",
-    "get_proj_operations_map",
-    "get_units_map",
-    "show_versions",
-]
+import importlib.metadata
 import warnings
 
 import pyproj.network
@@ -82,6 +67,22 @@
     transform,
 )
 
+__version__ = importlib.metadata.version(__package__)
+__all__ = [
+    "Proj",
+    "Geod",
+    "CRS",
+    "Transformer",
+    "transform",
+    "itransform",
+    "pj_ellps",
+    "pj_list",
+    "get_ellps_map",
+    "get_prime_meridians_map",
+    "get_proj_operations_map",
+    "get_units_map",
+    "show_versions",
+]
 __proj_version__ = proj_version_str
 
 

pyproject.toml

@@ -1,6 +1,60 @@
 [build-system]
-# Minimum requirements for the build system to execute.
-requires = ["setuptools", "wheel", "cython>=0.28.4"]
+requires = ["setuptools>=61.0.0", "wheel", "cython>=0.28.4"]
+
+[project]
+name = "pyproj"
+version = "3.4.0.dev0"
+description = "Python interface to PROJ (cartographic projections and coordinate transformations library)"
+readme = "README.md"
+authors = [
+    {name = "Jeff Whitaker", email = "jeffrey.s.whitaker@noaa.gov"},
+]
+license = {file = "LICENSE"}
+keywords = [
+    "GIS",
+    "map",
+    "geospatial",
+    "coordinate-systems",
+    "coordinate-transformation",
+    "cartographic-projection",
+    "geodesic",
+]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independe",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3 :: Only",
+    "Topic :: Scientific/Engineering",
+    "Topic :: Scientific/Engineering :: GIS",
+    "Topic :: Scientific/Engineering :: Mathematics",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Typing :: Typed",
+]
+requires-python = ">=3.8"
+dependencies = [
+    "certifi",
+]
+
+[project.urls]
+homepage = "https://pyproj4.github.io/pyproj/"
+documentation = "https://pyproj4.github.io/pyproj/"
+repository = "https://github.com/pyproj4/pyproj"
+changelog = "https://pyproj4.github.io/pyproj/stable/history.html"
+
+[project.scripts]
+pyproj = "pyproj.__main__:main"
+
+[tool.setuptools.packages.find]
+include = [
+    "pyproj",
+    "pyproj.*",
+]
 
 [tool.black]
-target_version = ['py38']
+target_version = ["py38"]

setup.py

@@ -224,21 +224,8 @@ def get_package_data() -> Dict[str, List[str]]:
     return package_data
 
 
-def get_version():
-    """
-    retreive pyproj version information (taken from Fiona)
-    """
-    with open(Path("pyproj", "__init__.py"), "r") as f:
-        for line in f:
-            if line.find("__version__") >= 0:
-                # parse __version__ and remove surrounding " or '
-                return line.split("=")[1].strip()[1:-1]
-    raise SystemExit("ERROR: pyproj version not found.")
-
-
 # static items in setup.cfg
 setup(
-    version=get_version(),
     ext_modules=get_extension_modules(),
     package_data=get_package_data(),
 )