Add get_handle

Could be useful to do POSIX operations on the same file without
reopening it.

Author: yanok

cufile/cufile.py

@@ -74,4 +74,12 @@ def write(self, src: ctypes.c_void_p, size: int, file_offset: int = 0, dev_offse
         """
         Write to the file.
         """
-        return cuFileWrite(self._cu_file_handle, src, size, file_offset, dev_offset)
+        return cuFileWrite(self._cu_file_handle, src, size, file_offset, dev_offset)
+
+    def get_handle(self):
+        """
+        Get the file handle.
+        """
+        return self._handle
+    
+