skip missing dirs

Author: avsm

geotessera/registry_cli.py

@@ -91,7 +91,7 @@ def iterate_tessera_tiles(
     processed_dirs = 0
     total_dirs = 0
 
-    # First count total directories for progress
+    # First count total directories for progress (all grid directories, even empty ones)
     for year_item in os.listdir(repr_dir):
         year_path = os.path.join(repr_dir, year_item)
         if os.path.isdir(year_path) and year_item.isdigit() and len(year_item) == 4:
@@ -101,7 +101,8 @@ def iterate_tessera_tiles(
                     total_dirs += 1
 
     if total_dirs == 0:
-        raise FileNotFoundError("No grid directories found in embeddings structure")
+        # No grid directories at all
+        return results  # Return empty list instead of raising error
 
     # Process each grid directory
     for year_item in os.listdir(repr_dir):
@@ -123,6 +124,20 @@ def iterate_tessera_tiles(
                 progress_callback(processed_dirs, total_dirs, f"Processing {grid_item}")
 
             try:
+                # Check if directory has any files at all
+                dir_contents = os.listdir(grid_path)
+                if not dir_contents:
+                    # Empty directory - skip silently
+                    continue
+                
+                # Check if this looks like a tile directory (has SHA256 or .npy files)
+                has_sha256 = "SHA256" in dir_contents
+                has_npy_files = any(f.endswith('.npy') for f in dir_contents)
+                
+                if not has_sha256 and not has_npy_files:
+                    # Directory has files but doesn't look like a tile directory - skip
+                    continue
+                
                 # Parse coordinates from grid name
                 lon, lat = parse_grid_name(grid_item)
                 if lon is None or lat is None:
@@ -131,7 +146,11 @@ def iterate_tessera_tiles(
                 # Read SHA256 file
                 sha256_file = os.path.join(grid_path, "SHA256")
                 if not os.path.exists(sha256_file):
-                    raise FileNotFoundError(f"Missing SHA256 file: {sha256_file}")
+                    # If there are .npy files but no SHA256, that's an error
+                    if has_npy_files:
+                        raise FileNotFoundError(f"Missing SHA256 file in tile directory: {sha256_file}")
+                    # Otherwise skip this directory
+                    continue
 
                 # Parse hashes from SHA256 file
                 embedding_hash = None