remove empty property and unused logic

Author: oscar-castro-bl

src/allotropy/parsers/ctl_immunospot/ctl_immunospot_reader.py

@@ -213,7 +213,7 @@ def fix_line(line: str) -> str:
 
         def split_multi_key_line(line: str) -> list[str]:
             """Split lines that contain multiple key-value pairs into separate lines."""
-            line = line.strip().strip('"').strip()  # Clean up quotes and whitespace
+            line = line.strip(' "')  # Clean up quotes and whitespace
 
             # Case 1: Parenthetical format: (Auto Areas: Estimated, Manual Areas: Normalized)
             if line.startswith("(") and line.endswith(")") and "," in line:

src/allotropy/parsers/ctl_immunospot/ctl_immunospot_structure.py

@@ -36,6 +36,15 @@ def _create_measurement(
     header_data: dict[str, float | str | None],
 ) -> Measurement:
     location_identifier = f"{well_row}{well_col}"
+    data_processing_document = {
+        "Min. SpotSize": header_data.pop("Min. SpotSize", None),
+        "Max. SpotSize": header_data.pop("Max. SpotSize", None),
+        "Spot Separation": header_data.pop("Spot Separation", None),
+    }
+    has_data = any(
+        value is not None and str(value).strip() != ""
+        for value in data_processing_document.values()
+    )
     return Measurement(
         type_=MeasurementType.OPTICAL_IMAGING,
         device_type=constants.DEVICE_TYPE,
@@ -46,11 +55,7 @@ def _create_measurement(
         detection_type=constants.DETECTION_TYPE,
         processed_data=ProcessedData(
             identifier=random_uuid_str(),
-            data_processing_document={
-                "Min. SpotSize": header_data.pop("Min. SpotSize", None),
-                "Max. SpotSize": header_data.pop("Max. SpotSize", None),
-                "Spot Separation": header_data.pop("Spot Separation", None),
-            },
+            data_processing_document=data_processing_document if has_data else None,
             features=[
                 ImageFeature(
                     identifier=random_uuid_str(),

src/allotropy/parsers/utils/pandas.py

@@ -279,11 +279,8 @@ def _key_matches(self, match_key: str, key: str) -> bool:
         # "++" can cause re.compile to fail. Since it is never a valid regex expression
         # it is safe to escape it to prevent the error.
         match_key = match_key.replace("++", r"\+\+")
-        try:
-            return bool(re.fullmatch(match_key, key))
-        except re.error:
-            # If the regex pattern is invalid, treat it as a literal string match
-            return key == match_key
+
+        return bool(re.fullmatch(match_key, key))
 
     def _get_matching_keys(self, key_or_keys: str | set[str]) -> set[str]:
         return {