Get version from git with setuptools_scm

Signed-off-by: Alfred Wingate <parona@protonmail.com>

.gitignore

@@ -21,3 +21,4 @@
 /target/
 __pycache__/
 _build/
+src/euscan/_version.py

bin/euscan

@@ -11,7 +11,6 @@ import os
 
 __author__ = "Corentin Chary (iksaif)"
 __email__ = "corentin.chary@gmail.com"
-__version__ = "git"
 __productname__ = "euscan"
 __description__ = "A tool to detect new upstream releases."
 
@@ -32,6 +31,7 @@ from gentoolkit.errors import GentoolkitException
 
 from euscan import CONFIG, output
 from euscan.out import progress_bar
+from euscan._version import __version__
 
 
 # Globals

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools"]
+requires = ["setuptools>=60","setuptools-scm>=8.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -24,3 +24,6 @@ homepage = "https://gitlab.com/src_prepare/euscan-ng"
 
 [tool.setuptools]
 script-files = ["bin/euscan"]
+
+[tool.setuptools_scm]
+version_file = "src/euscan/_version.py"

setup.py

@@ -1,60 +0,0 @@
-#!/usr/bin/env python
-from setuptools import setup, Command
-
-import io
-import os
-import re
-
-
-__version__ = os.getenv('VERSION', default='9999')
-
-cwd = os.getcwd()
-
-# Load EPREFIX from Portage, fall back to the empty string if it fails
-try:
-    from portage.const import EPREFIX
-except ImportError:
-    EPREFIX = ''
-
-# Python files that need `__version__ = ""` subbed, relative to this dir:
-python_scripts = [os.path.join(cwd, path) for path in (
-    'bin/euscan',
-)]
-
-
-class SetVersion(Command):
-    """Set python __version__ to our __version__."""
-    description = "hardcode scripts' version using VERSION from environment"
-    user_options = []  # [(long_name, short_name, desc),]
-
-    def initialize_options(self):
-        pass
-
-    def finalize_options(self):
-        pass
-
-    def run(self):
-        ver = 'git' if __version__ == '9999' else __version__
-        print(("Settings version to %s" % ver))
-
-        def sub(files, pattern):
-            for f in files:
-                updated_file = []
-                with io.open(f, 'r', 1, 'utf_8') as s:
-                    for line in s:
-                        newline = re.sub(pattern, '"%s"' % ver, line, 1)
-                        if newline != line:
-                            log.info("%s: %s" % (f, newline))
-                        updated_file.append(newline)
-                with io.open(f, 'w', 1, 'utf_8') as s:
-                    s.writelines(updated_file)
-        quote = r'[\'"]{1}'
-        python_re = r'(?<=^__version__ = )' + quote + '[^\'"]*' + quote
-        sub(python_scripts, python_re)
-
-setup(
-    version=__version__,
-    cmdclass={
-        'set_version': SetVersion,
-    },
-)

src/euscan/__init__.py

@@ -3,8 +3,6 @@
 # Copyright 2011 Corentin Chary <corentin.chary@gmail.com>
 # Distributed under the terms of the GNU General Public License v2
 
-__version__ = "git"
-
 import configparser
 import os
 from ast import literal_eval