feat(deepen): Add converter from non-annotated T4 to empty-annotated T4

perception_dataset/deepen/non_annotated_t4_to_empty_annotation_t4.py

@@ -0,0 +1,46 @@
+import os.path as osp
+import shutil
+import time
+
+from perception_dataset.abstract_converter import AbstractConverter
+from perception_dataset.utils.logger import configure_logger
+
+logger = configure_logger(modname=__name__)
+
+
+class NonAnnotatedT4ToEmptyAnnotationT4Converter(AbstractConverter):
+    """
+    Convert non-annotated T4 dataset to empty annotated T4 dataset, where we assume an output_base contains the following contents:
+    status.json
+    annotations/
+    data/
+
+    And this converter will move rosbags from an input_base to the output_base.
+    """
+
+    def __init__(
+        self,
+        input_base: str,
+        output_base: str,
+    ):
+        super().__init__(input_base, output_base)
+
+    def convert(self):
+        start_time = time.time()
+
+        # Move rosbag files to input_rosbags
+        self._move_rosbags()
+        elapsed_time = time.time() - start_time
+        logger.info(f"Elapsed time: {elapsed_time:.1f} [sec]")
+
+    def _move_rosbags(self) -> None:
+        """Move rosbags from an input_base to ."""
+        output_bag_dir: str = osp.join(self._output_base, "input_bag")
+        self._copy_data(output_bag_dir)
+
+    def _copy_data(self, output_dir: str) -> None:
+        """Copy data from the input_dir to the output_dir."""
+        if self._input_base != output_dir:
+            logger.info(f"Copying {self._input_base} to {output_dir} ... ")
+            shutil.copytree(self._input_base, output_dir)
+            logger.info("Done!")