cd /tmp/workspace && python3 -c " from pypdf import PdfReader reader = PdfReader('/tmp/workspace/attachments/59b1de28-605e-4014-807d-4ab9e2b51dc2/anat hnf 1-merge.pdf') print(f'Total pages: {len(reader.pages)}') "

python3 << 'EOF' from pypdf import PdfReader, PdfWriter import os # Source PDF src = '/tmp/workspace/attachments/59b1de28-605e-4014-807d-4ab9e2b51dc2/anat hnf 1-merge.pdf' reader = PdfReader(src) total = len(reader.pages) print(f"Total pages: {total}") # Page order as specified by user (1-indexed) # Row 1: 1, 3, 5, 7, 9, 11, 13, 15, 17 # Row 2: 6, 4, 2, 12, 10, 8, 18, 16, 14 # Row 3: 19, 21, 23, 25, 27, 29, 31, 33, 35 # Row 4: 24, 22, 20, 30, 28, 26, 36, 34, 32 # Row 5: 37, 39, 41, 43, 45, 47, (blank) # Row 6: 42, 40, 38, 48, 46, 44, (blank) page_order = [ # Row 1 1, 3, 5, 7, 9, 11, 13, 15, 17, # Row 2 6, 4, 2, 12, 10, 8, 18, 16, 14, # Row 3 19, 21, 23, 25, 27, 29, 31, 33, 35, # Row 4 24, 22, 20, 30, 28, 26, 36, 34, 32, # Row 5 (blank = None) 37, 39, 41, 43, 45, 47, None, # Row 6 (blank = None) 42, 40, 38, 48, 46, 44, None, ] print(f"Sequence length: {len(page_order)}") print(f"Non-blank pages: {sum(1 for p in page_order if p is not None)}") # Verify all page numbers are within range for p in page_order: if p is not None and (p < 1 or p > total): print(f"ERROR: page {p} out of range!") # Build output PDF writer = PdfWriter() # We need a blank page to insert where None appears # Get dimensions from first page first_page = reader.pages[0] w = float(first_page.mediabox.width) h = float(first_page.mediabox.height) print(f"Page size: {w} x {h} pts") # Create blank page using reportlab from reportlab.pdfgen import canvas from reportlab.lib.units import pt import io # Create blank page PDF in memory blank_buf = io.BytesIO() c = canvas.Canvas(blank_buf, pagesize=(w, h)) c.showPage() c.save() blank_buf.seek(0) blank_reader = PdfReader(blank_buf) blank_page = blank_reader.pages[0] for p in page_order: if p is None: writer.add_page(blank_page) else: writer.add_page(reader.pages[p - 1]) # convert to 0-indexed os.makedirs('/tmp/workspace/output', exist_ok=True) out_path = '/tmp/workspace/output/anat_hnf_reordered.pdf' with open(out_path, 'wb') as f: writer.write(f) print(f"Done! Output: {out_path}") print(f"Output page count: {len(writer.pages)}") EOF

python3 << 'EOF' from pypdf import PdfReader, PdfWriter from reportlab.pdfgen import canvas import io, os src = '/tmp/workspace/attachments/59b1de28-605e-4014-807d-4ab9e2b51dc2/anat hnf 1-merge.pdf' reader = PdfReader(src) total = len(reader.pages) first_page = reader.pages[0] w = float(first_page.mediabox.width) h = float(first_page.mediabox.height) # Create blank page in memory blank_buf = io.BytesIO() c = canvas.Canvas(blank_buf, pagesize=(w, h)) c.showPage() c.save() blank_buf.seek(0) blank_reader = PdfReader(blank_buf) blank_page = blank_reader.pages[0] # Page order (1-indexed, None = blank) page_order = [ 1, 3, 5, 7, 9, 11, 13, 15, 17, 6, 4, 2, 12, 10, 8, 18, 16, 14, 19, 21, 23, 25, 27, 29, 31, 33, 35, 24, 22, 20, 30, 28, 26, 36, 34, 32, 37, 39, 41, 43, 45, 47, None, 42, 40, 38, 48, 46, 44, None, ] writer = PdfWriter() for p in page_order: if p is None: writer.add_page(blank_page) else: writer.add_page(reader.pages[p - 1]) os.makedirs('/tmp/workspace/output', exist_ok=True) out_path = '/tmp/workspace/output/anat_hnf_reordered.pdf' with open(out_path, 'wb') as f: writer.write(f) print(f"Success! Output: {out_path}") print(f"Total output pages: {len(writer.pages)}") EOF