Remove hardcoded libpython binaries and add debug step

venv/lib/python3.12/site-packages/setuptools/_discovery.py

@@ -0,0 +1,33 @@
+import functools
+import operator
+
+import packaging.requirements
+
+
+# from coherent.build.discovery
+def extras_from_dep(dep):
+    try:
+        markers = packaging.requirements.Requirement(dep).marker._markers
+    except AttributeError:
+        markers = ()
+    return set(
+        marker[2].value
+        for marker in markers
+        if isinstance(marker, tuple) and marker[0].value == 'extra'
+    )
+
+
+def extras_from_deps(deps):
+    """
+    >>> extras_from_deps(['requests'])
+    set()
+    >>> extras_from_deps(['pytest; extra == "test"'])
+    {'test'}
+    >>> sorted(extras_from_deps([
+    ...     'requests',
+    ...     'pytest; extra == "test"',
+    ...     'pytest-cov; extra == "test"',
+    ...     'sphinx; extra=="doc"']))
+    ['doc', 'test']
+    """
+    return functools.reduce(operator.or_, map(extras_from_dep, deps), set())