Implement license file stripping for wheel uploads

Added a function to strip license files from wheel packages before uploading.

Author: 1minds3t

.github/workflows/backfill_wheels.yml

@@ -54,10 +54,24 @@ jobs:
           ]
 
           def pypi_eligible(name):
-              if re.search(r"-pp\d|-graalpy|-cp313t-|-cp3\d\d-cp3\d\d-", name):
+              if re.search(r"-pp\d|-graalpy|-cp313t-", name):
                   return False
               return any(re.search(p, name) for p in PYPI_PLAT_KEEP)
 
+          def strip_license_file(whl_path):
+              import zipfile, shutil
+              tmp = str(whl_path) + ".tmp"
+              with zipfile.ZipFile(whl_path, 'r') as zin, \
+                   zipfile.ZipFile(tmp, 'w', zipfile.ZIP_DEFLATED) as zout:
+                  for item in zin.infolist():
+                      data = zin.read(item.filename)
+                      if item.filename.endswith('METADATA'):
+                          lines = data.decode('utf-8').splitlines(keepends=True)
+                          data = ''.join(l for l in lines
+                                         if not l.lower().startswith('license-file:')).encode('utf-8')
+                      zout.writestr(item, data)
+              shutil.move(tmp, str(whl_path))
+
           # ── GH API helpers ───────────────────────────────────────────────
           def gh(path):
               url = path if path.startswith("http") else f"https://api.github.com/repos/{repo}/{path}"
@@ -322,6 +336,9 @@ jobs:
                       if not whl_files:
                           continue
 
+                      for wf_ in whl_files:
+                          strip_license_file(wf_)
+
                       result = subprocess.run(
                           ["twine", "upload", "--skip-existing", "--non-interactive",
                            *[str(w) for w in whl_files]],