„scripts/bilder_verkleinern.py“ hinzufügen

scripts/bilder_verkleinern.py

@@ -0,0 +1,84 @@
+# pip install Pillow
+
+import os
+from PIL import Image
+
+def resize_proportional(root_path):
+    extensions = ('.jpg', '.jpeg', '.png')
+    
+    for subdir, dirs, files in os.walk(root_path):
+        for filename in files:
+            # Nur Bilder verarbeiten und bereits generierte Varianten ignorieren
+            if filename.lower().endswith(extensions) and "_100" not in filename:
+                file_path = os.path.join(subdir, filename)
+                
+                try:
+                    with Image.open(file_path) as img:
+                        # Farbmodus für PNG sicherstellen
+                        img = img.convert("RGBA") if img.mode in ("RGBA", "P") else img.convert("RGB")
+                        original_width, original_height = img.size
+                        base_name = os.path.splitext(filename)[0]
+
+                        # --- Variante 1: Breite = 100 ---
+                        w_target = 100
+                        # Berechnung der proportionalen Höhe
+                        h_proportional = int((w_target / original_width) * original_height)
+                        img_w = img.resize((w_target, h_proportional), Image.Resampling.LANCZOS)
+                        img_w.save(os.path.join(subdir, f"{base_name}_w100.png"), "PNG")
+
+                        # --- Variante 2: Höhe = 100 ---
+                        h_target = 100
+                        # Berechnung der proportionalen Breite
+                        w_proportional = int((h_target / original_height) * original_width)
+                        img_h = img.resize((w_proportional, h_target), Image.Resampling.LANCZOS)
+                        img_h.save(os.path.join(subdir, f"{base_name}_h100.png"), "PNG")
+
+                        print(f"Erledigt: {filename} (w100 & h100)")
+                        
+                except Exception as e:
+                    print(f"Fehler bei {file_path}: {e}")
+
+# Start im aktuellen Verzeichnis
+resize_proportional('.')
+
+
+import os
+from PIL import Image
+
+def resize_images_recursive(root_path):
+    target_size = (100, 100)
+    extensions = ('.jpg', '.jpeg', '.png')
+    
+    # os.walk durchsucht den Ordner und alle Unterordner
+    for subdir, dirs, files in os.walk(root_path):
+        for filename in files:
+            if filename.lower().endswith(extensions):
+                # Überspringe Dateien, die bereits das Suffix haben (verhindert Doppelte)
+                if "_100.png" in filename:
+                    continue
+                    
+                file_path = os.path.join(subdir, filename)
+                
+                try:
+                    with Image.open(file_path) as img:
+                        # Modus für PNG vorbereiten
+                        if img.mode in ("RGBA", "P"):
+                            img = img.convert("RGBA")
+                        else:
+                            img = img.convert("RGB")
+                        
+                        # Verkleinern
+                        img_resized = img.resize(target_size, Image.Resampling.LANCZOS)
+                        
+                        # Neuen Dateinamen mit Suffix im gleichen Verzeichnis erstellen
+                        base_name = os.path.splitext(filename)[0]
+                        new_filename = f"{base_name}_100.png"
+                        output_path = os.path.join(subdir, new_filename)
+                        
+                        img_resized.save(output_path, "PNG")
+                        print(f"Gespeichert: {output_path}")
+                except Exception as e:
+                    print(f"Fehler bei {file_path}: {e}")
+
+# Starte die Suche im aktuellen Verzeichnis
+resize_images_recursive('.')