In Bookmaker script, allow multiple rotation arguments.

diff --git a/bookmaker.py b/bookmaker.py
index eb6fd11e7c53c4bd2d6ae16a804b6aced01f58d7..ca3548bd702eb8425a001b420da2dc73b877a377 100755 (executable)
--- a/bookmaker.py
+++ b/bookmaker.py
@@ -13,7 +13,7 @@ parser.add_argument("-c", "--crop", dest="crop_range", help="crops left, bottom,
 parser.add_argument("-n", "--nup4", dest="nup4", action='store_true', help="puts 4 input pages onto 1 output page")
 parser.add_argument("-a", "--analyze", dest="analyze", action="store_true", help="print lines identifying spine, page borders")
 parser.add_argument("-t", "--symmetry", dest="symmetry", action="store_true", help="alternate horizontal crops between odd and even pages")
-parser.add_argument("-r", "--rotate", dest="rotate", help="rotate page of number by 90°")
+parser.add_argument("-r", "--rotate", dest="rotate", type=int, action="append", help="rotate page of number by 90° (usable multiple times on same page!)")
 parser.add_argument("-m", "--margin", type=float, default=4.3, help="print margin (default 4.3)")
 args = parser.parse_args()
 
@@ -40,10 +40,11 @@ for i, input_file in enumerate(args.input_file):
 
 # rotate page canvas
 if args.rotate:
-    page = pages_to_add[int(args.rotate) - 1]
-    page.add_transformation(pypdf.Transformation().translate(tx=-a4_width/2, ty=-a4_height/2))
-    page.add_transformation(pypdf.Transformation().rotate(-90))
-    page.add_transformation(pypdf.Transformation().translate(tx=a4_width/2, ty=a4_height/2))
+    for rotate in args.rotate:
+        page = pages_to_add[rotate - 1]
+        page.add_transformation(pypdf.Transformation().translate(tx=-a4_width/2, ty=-a4_height/2))
+        page.add_transformation(pypdf.Transformation().rotate(-90))
+        page.add_transformation(pypdf.Transformation().translate(tx=a4_width/2, ty=a4_height/2))
 
 # normalize all pages to portrait A4
 for page in pages_to_add: