Moving towards pyproject.toml

Changes regarding setting up the build configuration in pyproject.toml
file.

- Getting rid of egg build
- Updating related dependencies and stuff needed

pyproject.toml

@@ -1,6 +1,60 @@
+[build-system]
+requires = [
+  "setuptools >= 61.0",
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pyfdb"
+dynamic = ["version"]
+
+description="Python interface to FDB"
+keywords = [
+  "python",
+  "fdb",
+  "tools",
+]
+
+license = { file = "LICENSE" }
+authors = [
+  { name = "European Centre for Medium-Range Weather Forecasts (ECMWF)", email = "software.support@ecmwf.int" },
+]
+
+urls.Documentation = "https://github.com/ecmwf/pyfdb"
+urls.Homepage = "https://github.com/ecmwf/pyfdb"
+urls.Issues = "https://github.com/ecmwf/pyfdb/issues"
+urls.Repository = "https://github.com/ecmwf/pyfdb"
+
+requires-python = ">=3.9"
+
+dependencies = [
+  "cffi",
+  "findlibs",
+  "pyeccodes",
+  "isort",
+  "black",
+  "flake8",
+  "tox>=4.19"
+]
+
+optional-dependencies.tests = [
+  "pytest",
+  "pytest-cov",
+  "pytest-flakes",
+]
+
+[tool.setuptools.packages.find]
+where = ["src", "tests"]
+
+[tool.setuptools.package-data]
+pyfdb = ["processed_fdb.h"]
+
 [tool.black]
 line-length = 120
 
 [tool.isort]
 profile = "black"
 line_length = 120
+skip_glob=".*"
+skip = ["setup.py"]
+src_paths = ["src", "tests"]

setup.py

@@ -1,27 +1,13 @@
 import io
 import re
 
-from setuptools import find_packages, setup
+from setuptools import setup
 
-__version__ = re.search(
-    r'__version__\s*=\s*[\'"]([^\'"]*)[\'"]', io.open("pyfdb/version.py", encoding="utf_8_sig").read()
-).group(1)
 
-setup(
-    name="pyfdb",
-    version=__version__,
-    description="Python interface to FDB",
-    url="https://github.com/ecmwf/pyfdb",
-    author="ECMWF",
-    author_email="software.support@ecmwf.int",
-    packages=find_packages(exclude=("docs", "tests")),
-    include_package_data=True,
-    tests_require=[
-        "pytest",
-        "pytest-cov",
-        "pytest-flakes",
-    ],
-    test_suite="tests",
-    install_requires=["cffi", "findlibs", "pyeccodes", "packaging"],
-    zip_safe=False,
-)
+def find_version():
+    return re.search(
+        r'__version__\s*=\s*[\'"]([^\'"]*)[\'"]', io.open("src/pyfdb/version.py", encoding="utf_8_sig").read()
+    ).group(1)
+
+
+setup(version=find_version())

tox.ini

@@ -1,13 +1,11 @@
+# Those are only in here because they aren't support pyproject.toml file...
 [flake8]
 max-line-length = 120
 show-source = true
 exclude = .*
 extend-ignore = E203
 per-file-ignores =
     */__init__.py: F401,F403
-[isort]
-profile=black
-skip_glob=.*
 
 [tox]
 env_list =
@@ -20,8 +18,7 @@ package = wheel
 wheel_build_env = .pkg
 deps =
     pytest>=6
-setenv =
-    ; NB: You may need to copy build/fdb5/etc/fdb to build/etc/fdb
-    FDB5_HOME=../build/
+pass_env =
+    FDB_HOME
 commands =
     pytest {tty:--color=yes} {posargs}