Automated update

all.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+import sys
+import glob
+from PIL import Image
+
+def main():
+    if len(sys.argv) < 3:
+        print("Usage: {} output.pdf image1 [image2 ...]".format(sys.argv[0]))
+        print("Example: {} lab1.pdf ~/path/*".format(sys.argv[0]))
+        sys.exit(1)
+
+    output_pdf = sys.argv[1]
+    input_args = sys.argv[2:]
+
+    # Build the list of image files.
+    file_list = []
+    for arg in input_args:
+        # If the argument contains a wildcard, expand it.
+        if any(ch in arg for ch in '*?['):
+            expanded = glob.glob(arg)
+            file_list.extend(expanded)
+        else:
+            file_list.append(arg)
+
+    # Filter for PNG and JPG files (case-insensitive)
+    file_list = [f for f in file_list if f.lower().endswith(('.png', '.jpg', '.jpeg'))]
+
+    if not file_list:
+        print("No PNG/JPG images found.")
+        sys.exit(1)
+
+    # Sort the file list (optional, but usually helpful)
+    file_list.sort()
+
+    # Open and convert images to RGB (required for PDF conversion)
+    images = []
+    for file in file_list:
+        try:
+            img = Image.open(file)
+        except Exception as e:
+            print(f"Error opening {file}: {e}")
+            continue
+
+        # Convert image mode if necessary
+        if img.mode != 'RGB':
+            img = img.convert('RGB')
+        images.append(img)
+
+    if not images:
+        print("No valid images to convert.")
+        sys.exit(1)
+
+    # Save the images as a single PDF. The first image is used as a base,
+    # and the rest are appended.
+    try:
+        images[0].save(output_pdf, "PDF", resolution=100.0, save_all=True, append_images=images[1:])
+        print(f"Saved PDF as {output_pdf}")
+    except Exception as e:
+        print(f"Error saving PDF: {e}")
+        sys.exit(1)
+
+if __name__ == '__main__':
+    main()
+