Single-source the version from ppl/__init__.py

Author: Matthias Koeppe

docs/source/conf.py

@@ -43,16 +43,9 @@
 # built documents.
 #
 # The short X.Y version.
-import configparser
-config = configparser.ConfigParser(allow_no_value=True)
-try:
-    with open("../../setup.cfg", encoding='utf-8') as f:
-        config.read_string(f.read())
-except TypeError:
-    # NOTE: encoding is not a keyword in Python 2
-    with open("../../setup.cfg") as f:
-        config.read_string(f.read().decode('utf-8'))
-version = release = config['metadata']['version']
+from ppl import __version__ as release
+
+version = release
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.

ppl/__init__.py

@@ -127,6 +127,8 @@
   Remove the _mutable_immutable class.
 """
 
+__version__ = "0.8.9"
+
 from .linear_algebra import (
         Variable, Variables_Set, Linear_Expression,
         )

pyproject.toml

@@ -9,7 +9,6 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pplpy"
-version = "0.8.8"
 description = "Python PPL wrapper"
 readme = "README.rst"
 authors = [{name = "Vincent Delecroix", email = "vincent.delecroix@labri.fr"}]
@@ -39,6 +38,7 @@ dependencies = [
     "cysignals",
     "gmpy2>=2.1.0b1",
 ]
+dynamic = ["version"]
 
 [project.optional-dependencies]
 doc = [
@@ -54,5 +54,8 @@ packages = ["ppl"]
 platforms = ["any"]
 include-package-data = false
 
+[tool.setuptools.dynamic]
+version = {attr = "ppl.__version__"}
+
 [tool.setuptools.package-data]
 ppl = ["*.pxd", "*.h", "*.hh"]