Python script to combine appropriately named scans into .pdf documents (by Basique)

combine-scans.py

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+import PIL.Image
+import os
+
+import re
+
+import natsort
+
+p1 = re.compile("(.+)(\\.|-)(\\d)\\.jpe?g")
+
+digits = re.compile("\\d+")
+
+mappe = {}
+
+everything = []
+
+for f in natsort.natsorted(os.listdir(".")):
+    if not (f.endswith(".jpeg") or f.endswith(".jpg")):
+        continue
+
+    match = p1.match(f)
+    flat = match.group(1)
+    
+    if flat not in mappe:
+        mappe[flat] = []
+
+    img = PIL.Image.open(f)
+    mappe[flat].append(img)
+    everything.append(img)
+
+for flat in mappe:
+    mappe[flat][0].save(f"out/{flat}.pdf", save_all=True, append_images=mappe[flat][1:])
+    print(flat)
+
+everything[0].save("out/everything.pdf", save_all=True, append_images=everything[1:])