Fix large BCF file creation by allowing Zip64

aryobenholzner · aothms · commit 7a62f65af0d1 · 2025-12-10T15:21:11.000+01:00
diff --git a/src/bcf/bcf/inmemory_zipfile.py b/src/bcf/bcf/inmemory_zipfile.py
@@ -26,7 +26,7 @@ def __init__(
         self._file_name: Optional[str | Path] = str(file_name) if hasattr(file_name, "_from_parts") else file_name
         self.in_memory_data = BytesIO()
         # Create the in-memory zipfile
-        self.in_memory_zip = zipfile.ZipFile(self.in_memory_data, "w", compression, False)
+        self.in_memory_zip = zipfile.ZipFile(self.in_memory_data, "w", compression, True)
         self.in_memory_zip.debug = debug
 
     def writestr(self, filename_in_zip: str | zipfile.ZipInfo, file_contents: bytes | str) -> None:
