From 72a39434e8ceba72288fa91fe52d4f992af651a1 Mon Sep 17 00:00:00 2001
From: dickreckard <dickreckard@rere.loo>
Date: Thu, 15 Dec 2022 00:54:55 +0100
Subject: [PATCH] add empty pages for evenness

---
 pdf-compile.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pdf-compile.py b/pdf-compile.py
index baa3bff..d42e4dd 100755
--- a/pdf-compile.py
+++ b/pdf-compile.py
@@ -135,7 +135,12 @@ for chapter in chapters:
 	outputs.append(localhost+pdffile)
 
 	counter+=1
-	page=page+pypdftk.get_num_pages(localhost+pdffile)
+	pagenr=pypdftk.get_num_pages(localhost+pdffile)
+	if (pagenr % 2) != 0:
+		pypdftk.concat([localhost+pdffile,localhost+'blank.pdf'],localhost+'temp.pdf')
+		os.replace(localhost+'temp.pdf',localhost+pdffile)
+		pagenr+=1
+	page=page+pagenr
 	
 # compiling all the files in one big pdf!