Add scm_setuptools for packaging

pylint/__pkginfo__.py

@@ -1,19 +1,12 @@
 # Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 # For details: https://github.com/PyCQA/pylint/blob/master/LICENSE
 
-from typing import Optional
-
-__version__ = "2.8.1"
-# For an official release, use 'alpha_version = False' and 'dev_version = None'
-alpha_version: bool = False  # Release will be an alpha version if True (ex: '1.2.3a6')
-dev_version: Optional[int] = None
-
-if dev_version is not None:
-    if alpha_version:
-        __version__ += f"a{dev_version}"
-    else:
-        __version__ += f".dev{dev_version}"
+from pkg_resources import DistributionNotFound, get_distribution
 
+try:
+    __version__ = get_distribution("pylint").version
+except DistributionNotFound:
+    __version__ = "2.8.2+"
 
 # Kept for compatibility reason, see https://github.com/PyCQA/pylint/issues/4399
 numversion = tuple(__version__.split("."))

setup.cfg

@@ -46,6 +46,8 @@ install_requires =
     mccabe>=0.6,<0.7
     toml>=0.7.1
     colorama;sys_platform=="win32"
+setup_requires =
+  setuptools_scm
 python_requires = ~=3.6
 
 [options.packages.find]

setup.py

@@ -1,3 +1,3 @@
 from setuptools import setup
 
-setup()
+setup(use_scm_version=True)