Made input_validation.check_input() a "public" function

src/opera/util/input_validation.py

@@ -14,9 +14,9 @@
 from opera.util.error_codes import ErrorCode
 
 
-def _check_input(input_object, logger, name, valid_extensions):
+def check_input(input_object, logger, name, valid_extensions):
     """
-    Called by _validate_inputs() to check individual files.
+    Validation checks for individual files.
     The input object is checked for existence and that it ends with
     a valid file extension.
 
@@ -84,18 +84,18 @@ def validate_slc_s1_inputs(runconfig, logger, name):
     for key, value in input_file_group_dict.items():
         if key == 'safe_file_path':
             for i in range(len(value)):
-                _check_input(value[i], logger, name,  valid_extensions=('.zip',))
+                check_input(value[i], logger, name, valid_extensions=('.zip',))
         elif key == 'orbit_file_path':
             for i in range(len(value)):
-                _check_input(value[i], logger, name, valid_extensions=('.EOF',))
+                check_input(value[i], logger, name, valid_extensions=('.EOF',))
         elif key == 'dem_file':
-            _check_input(value, logger, name, valid_extensions=('.tif', '.tiff', '.vrt'))
+            check_input(value, logger, name, valid_extensions=('.tif', '.tiff', '.vrt'))
         elif key in ('burst_id', 'dem_description'):
             # these fields are included in the SAS input paths, but are not
             # actually file paths, so skip them
             continue
         elif key == 'burst_database_file':
-            _check_input(value, logger, name, valid_extensions=('.sqlite3',))
+            check_input(value, logger, name, valid_extensions=('.sqlite3',))
         else:
             error_msg = f"Unexpected input: {key}: {value}"
             logger.critical(name, ErrorCode.INVALID_INPUT, error_msg)