initial

utils/Path_utils.py

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+from pathlib import Path
+from scandir import scandir
+
+image_extensions = [".jpg", ".jpeg", ".png", ".tif", ".tiff"]
+
+def get_image_paths(dir_path):
+    dir_path = Path (dir_path)
+        
+    result = []    
+    if dir_path.exists():
+        for x in list(scandir(str(dir_path))):
+            if any([x.name.lower().endswith(ext) for ext in image_extensions]):
+                result.append(x.path)
+    return result
+
+def get_image_unique_filestem_paths(dir_path, verbose=False):
+    result = get_image_paths(dir_path)   
+    result_dup = set()    
+    
+    for f in result[:]:
+        f_stem = Path(f).stem
+        if f_stem in result_dup:            
+            result.remove(f)
+            if verbose:
+                print ("Duplicate filenames are not allowed, skipping: %s" % Path(f).name )            
+            continue            
+        result_dup.add(f_stem)
+            
+    return result
+    
+def get_all_dir_names_startswith (dir_path, startswith):
+    dir_path = Path (dir_path)
+    startswith = startswith.lower()
+        
+    result = []    
+    if dir_path.exists():
+        for x in list(scandir(str(dir_path))):
+            if x.name.lower().startswith(startswith):
+                result.append ( x.name[len(startswith):] )
+    return result