import sys
import subprocess
import shutil
from pathlib import Path

tst = Path("test")
tst.mkdir()

subprocess.run([sys.executable, "-m", "pip", "install", "-t", str(tst), "rich"])

reproducer = Path("reproducer.py")
reproducer.write_text(f"""\
import sys
import importlib.metadata
sys.path.append({repr(str(tst))})
import rich # to confirm rich is importable
dists = importlib.metadata.packages_distributions()
print(dists)
print("Rich version is accessible:", importlib.metadata.version("rich"))
if not "rich" in dists:
    print("Rich is not visible to importlib.metadata.package_distributions")
# Oddly, dependencies of rich (in the same sys.path entry) *are* visible
if "pygments" in dists:
    print("Pygments *is* visible to importlib.metadata.package_distributions")
"""
)
subprocess.run([sys.executable, str(reproducer)])

# tidy up
reproducer.unlink()
shutil.rmtree(tst)