add debug logs

iohub/mmstack.py

@@ -97,6 +97,7 @@ def __init__(self, data_path: StrOrBytesPath):
         self.root = first_file.parent
         self.dirname = self.root.name
         self._first_tif = TiffFile(first_file, is_mmstack=True)
+        _logger.debug(f"Parsing {first_file} as MMStack.")
         self._parse_data()
         self._store = None
 
@@ -344,6 +345,7 @@ def _infer_image_meta(self) -> None:
         """
         Infer data type and pixel size from the first image plane metadata.
         """
+        _logger.debug("Inferring image metadata.")
         metadata = self.read_image_metadata(0, 0, 0, 0)
         if metadata is not None:
             try:

iohub/reader.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import logging
 import sys
 import warnings
 from pathlib import Path
@@ -19,6 +20,8 @@
 if TYPE_CHECKING:
     from _typeshed import StrOrBytesPath
 
+_logger = logging.getLogger(__name__)
+
 
 def _find_ngff_version_in_zarr_group(group: zarr.Group):
     for key in ["omero", "plate", "well"]:
@@ -148,6 +151,7 @@ def read_images(
     extra_info = None
     if not data_type:
         data_type, extra_info = _infer_format(path)
+    _logger.debug(f"Detected data type: {data_type} {extra_info}")
     # identify data structure type
     if data_type == "ometiff":
         return MMStack(path)