signature of 64 pages in the A6 booklet

1 files changed, 20 insertions, 1 deletions

diff --git a/page_manipulation/a6_book.py b/page_manipulation/a6_book.py
index 059a717..550cb5d 100755
--- a/page_manipulation/a6_book.py
+++ b/page_manipulation/a6_book.py
@@ -23,6 +23,17 @@ SIGNATURE_32 = (
     7, 8, 23, 24,
 )
 
+SIGNATURE_64 = (
+    63,  0, 61,  2,  1, 62,  3, 60,
+    59,  4, 57,  6,  5, 58,  7, 56,
+    55,  8, 53, 10,  9, 54, 11, 52,
+    51, 12, 49, 14, 13, 50, 15, 48,
+    47, 16, 45, 18, 17, 46, 19, 44,
+    43, 20, 41, 22, 21, 42, 23, 40,
+    39, 24, 37, 26, 25, 38, 27, 36,
+    35, 28, 33, 30, 29, 34, 31, 32,
+)
+
 
 def get_parser():
     parser = argparse.ArgumentParser()
@@ -33,10 +44,16 @@ def get_parser():
     parser.add_argument(
         "--double", "-d",
         action="store_true",
-        help="Put two signatures on 4 A4 sheet. Pages should be a "
+        help="Put two signatures on 4 A4 sheet. Pages will be a "
         "multiple of 32",
     )
     parser.add_argument(
+        "--quadruple", "-q",
+        action="store_true",
+        help="Put four signatures on 8 A4 sheet. Pages will be a "
+        "multiple of 64",
+    )
+    parser.add_argument(
         "pagespec",
         help="Page selection. At the moment only '<start>-<end>' is supported"
     )
@@ -57,6 +74,8 @@ def main():
 
     if args.double:
         signature = SIGNATURE_32
+    elif args.quadruple:
+        signature = SIGNATURE_64
     else:
         signature = SIGNATURE
     sig_len = len(signature)