build: Add Pylint config

Add a PyLint section to pyproject.toml.

1 files changed, 23 insertions, 13 deletions

diff --git a/setup.py b/setup.py
index cdf1f55..6d8d160 100755
--- a/setup.py
+++ b/setup.py
@@ -1,14 +1,25 @@
+"""Build script for the PyOuroboros CFFI extensions.
+
+Resolves the ouroboros library version via ``pkg-config`` and the
+pyouroboros source version via ``setuptools_scm``, verifies that the
+``major.minor`` halves match, and delegates the actual build to the
+CFFI builders under ``ffi/``.
+"""
+
+from __future__ import annotations
+
 import subprocess
 import sys
 
 from setuptools import setup
+from setuptools_scm import get_version
 
 
-def _get_ouroboros_version():
+def _get_ouroboros_version() -> str:
     try:
         out = subprocess.check_output(
             ['pkg-config', '--modversion', 'ouroboros-dev'],
-            stderr=subprocess.DEVNULL
+            stderr=subprocess.DEVNULL,
         )
         return out.decode().strip()
     except (subprocess.CalledProcessError, FileNotFoundError):
@@ -16,25 +27,24 @@ def _get_ouroboros_version():
                  "Is Ouroboros installed?")
 
 
-def _check_build_version_compat():
+def _check_build_version_compat() -> None:
     try:
-        from setuptools_scm import get_version
-        pyouro_ver = get_version(root='.', relative_to=__file__)
-    except Exception:
+        pyo7s_ver = get_version(root='.', relative_to=__file__)
+    except (LookupError, OSError):
         return  # no SCM info, skip check
 
-    ouro_ver = _get_ouroboros_version()
+    o7s_ver = _get_ouroboros_version()
 
     # setuptools_scm: '0.23.1.dev3+g<hash>' or '0.23.0'
     # pkg-config:     '0.23.0'
     # Compare major.minor only.
-    ouro_parts   = ouro_ver.split('.')
-    pyouro_parts = pyouro_ver.split('.')
+    o7s_parts   = o7s_ver.split('.')
+    pyo7s_parts = pyo7s_ver.split('.')
 
-    if ouro_parts[0] != pyouro_parts[0] or ouro_parts[1] != pyouro_parts[1]:
+    if o7s_parts[0] != pyo7s_parts[0] or o7s_parts[1] != pyo7s_parts[1]:
         sys.exit(
-            f"ERROR: Version mismatch: ouroboros {ouro_ver} "
-            f"vs pyouroboros {pyouro_ver} "
+            f"ERROR: Version mismatch: ouroboros {o7s_ver} "
+            f"vs pyouroboros {pyo7s_ver} "
             f"(major.minor must match)"
         )
 
@@ -44,6 +54,6 @@ _check_build_version_compat()
 setup(
     cffi_modules=[
         "ffi/pyouroboros_build_dev.py:ffibuilder",
-        "ffi/pyouroboros_build_irm.py:ffibuilder"
+        "ffi/pyouroboros_build_irm.py:ffibuilder",
     ],
 )