Avoid patching the original build class attribute

abravalheri · sebastinas · commit ded2d7fe3fca · 2024-06-01T23:17:54.000+02:00
diff --git a/setup.py b/setup.py
@@ -6,7 +6,7 @@
 import subprocess
 
 from setuptools import setup
-from setuptools.command.build import build
+from setuptools.command.build import build as _orig_build
 
 try:
     from babel.messages import frontend as babel
@@ -122,6 +122,11 @@ def git_describe_to_python_version(version):
     vf.write(f'__version__ = "{version}"\n')
 
 
+class build(_orig_build):
+    # Avoid patching the original class' attribute (more robust customisation)
+    sub_commands = _orig_build.sub_commands[:]
+
+
 cmdclass = {"build": build}
 
 translations_dir = os.path.join("bpython", "translations")
