Add version information to setup.cfg

- add `setuptools_rust.__version__`
- populate setup.cfg's version field from `setuptools_rust.__version__`
- require setuptools >= 46.1

Resolves: #91
Signed-off-by: Christian Heimes <christian@python.org>

Author: tiran

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
  - Respect `CARGO_BUILD_TARGET` environment variable if set. [#90](https://github.com/PyO3/setuptools-rust/pull/90)
+ - Add `setuptools_rust.__version__` and require setuptools >= 46.1. [#91](https://github.com/PyO3/setuptools-rust/issues/91)
 
 ## 0.11.5 (2020-11-10)
 

setup.cfg

@@ -1,5 +1,6 @@
 [metadata]
 name = setuptools-rust
+version = attr: setuptools_rust.__version__
 author = Nikolay Kim
 author_email = fafhrd91@gmail.com
 license = MIT
@@ -27,7 +28,7 @@ classifiers =
 packages = setuptools_rust
 zip_safe = True
 install_requires = semantic_version>=2.6.0; toml>=0.9.0
-setup_requires = setuptools>=41; wheel; setuptools_scm[toml]>=3.4.3
+setup_requires = setuptools>=46.1; wheel; setuptools_scm[toml]>=3.4.3
 
 [options.entry_points]
 distutils.commands =

setuptools_rust/__init__.py

@@ -8,6 +8,8 @@
 from .tomlgen import tomlgen_rust, find_rust_extensions
 from .utils import Binding, Strip
 
+__version__ = "0.11.6.dev1"
+
 __all__ = (
     "RustExtension",
     "Binding",