Use setuptools_scm

Author: virtuald

pyproject.toml

@@ -0,0 +1,6 @@
+[build-system]
+requires = ["setuptools>=45", "wheel", "setuptools_scm>=6.2,<8"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+write_to = "robotpy/version.py"

setup.py

@@ -1,48 +1,10 @@
 #!/usr/bin/env python3
 
-import sys
-
-if sys.version_info < (3, 7):
-    sys.stderr.write("ERROR: RobotPy requires Python 3.7+\n")
-    exit(1)
-
-import subprocess
 from setuptools import find_packages, setup
 from pathlib import Path
 
 setup_dir = Path(__file__).parent
-git_dir = setup_dir / ".git"
 base_package = "robotpy"
-version_file = setup_dir / base_package / "version.py"
-
-# Automatically generate a version.py based on the git version
-if git_dir.exists():
-    p = subprocess.Popen(
-        ["git", "describe", "--tags", "--long", "--dirty=-dirty"],
-        stdout=subprocess.PIPE,
-        stderr=subprocess.PIPE,
-    )
-    out, err = p.communicate()
-    # Make sure the git version has at least one tag
-    if err:
-        print("Error: You need to create a tag for this repo to use the builder")
-        sys.exit(1)
-
-    # Convert git version to PEP440 compliant version
-    # - Older versions of pip choke on local identifiers, so we can't include the git commit
-    v, commits, local = out.decode("utf-8").rstrip().split("-", 2)
-    if commits != "0" or "-dirty" in local:
-        v = "%s.post0.dev%s" % (v, commits)
-
-    # Create the version.py file
-    with open(version_file, "w") as fp:
-        fp.write("# Autogenerated by setup.py\n__version__ = '{0}'".format(v))
-
-if version_file.exists():
-    with open(version_file, "r") as fp:
-        exec(fp.read(), globals())
-else:
-    __version__ = "master"
 
 
 def get_reqs_from_path(path):
@@ -72,7 +34,6 @@ def get_reqs_from_path(path):
 
 setup(
     name="robotpy",
-    version=__version__,
     description="Meta package to make installing robotpy easier",
     long_description=long_description,
     author="RobotPy Development Team",
@@ -98,4 +59,5 @@ def get_reqs_from_path(path):
         "Topic :: Software Development",
         "Topic :: Software Development :: Testing",
     ],
+    use_scm_version=True,
 )