Switch versioning to be SCM-based

Author: webknjaz

.pre-commit-config.yaml

@@ -163,6 +163,7 @@ repos:
     additional_dependencies:
     - paramiko == 2.8.0
     - types-paramiko == 2.7.3
+    - types-setuptools == 57.4.2
     args:
     # FIXME: get rid of missing imports ignore
     - --ignore-missing-imports

proxy/common/.gitignore

@@ -0,0 +1,2 @@
+# Build-time setuptools-scm generated version module
+/_scm_version.py

proxy/common/_scm_version.pyi

@@ -0,0 +1,3 @@
+# This stub file is necessary because `_scm_version.py`
+# autogenerated on build and absent on mypy checks time
+version: str

proxy/common/_version.py

@@ -0,0 +1,11 @@
+"""Version definition."""
+
+try:
+    # pylint: disable=unused-import
+    from ._scm_version import version as __version__  # noqa: WPS433, WPS436
+except ImportError:
+    from pkg_resources import get_distribution as _get_dist  # noqa: WPS433
+    __version__ = _get_dist('proxy.py').version  # noqa: WPS440
+
+
+__all__ = ('__version__',)

proxy/common/version.py

@@ -8,5 +8,10 @@
     :copyright: (c) 2013-present by Abhinav Singh and contributors.
     :license: BSD, see LICENSE for more details.
 """
-VERSION = (2, 4, 0)
-__version__ = '.'.join(map(str, VERSION[0:3]))
+from ._version import __version__  # noqa: WPS436
+
+
+VERSION = tuple(map(int, __version__.split('.')))
+
+
+__all__ = '__version__', 'VERSION'

pyproject.toml

@@ -2,5 +2,12 @@
 requires = [
   # Essentials
   "setuptools",
+
+  # Plugins
+  "setuptools-scm[toml] >= 6",
+  "setuptools-scm-git-archive >= 1.1",
 ]
 build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+write_to = "proxy/common/_scm_version.py"