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("-s", "--second", dest="second", help="append second file as input to append")
+parser.add_argument("-r", "--rotate", dest="rotate", help="rotate page of number by 90°")
args = parser.parse_args()
with open(args.input_file, 'rb') as file:
print("read second PDF's page number", page_num)
page_num += 1
- # normalize all pages to A4
+ # 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))
+
+ # normalize all pages to portrait A4
for page in pages_to_add:
+ if "/Rotate" in page:
+ page.rotate(360 - page["/Rotate"])
page.mediabox.left = 0
page.mediabox.bottom = 0
page.mediabox.top = a4_height
odd_page = True
for page in pages_to_add:
if args.symmetry and odd_page:
- page.add_transformation(pypdf.Transformation().translate(tx=-crop_left, ty=-crop_bottom))
- else:
page.add_transformation(pypdf.Transformation().translate(tx=-crop_right, ty=-crop_bottom))
+ else:
+ page.add_transformation(pypdf.Transformation().translate(tx=-crop_left, ty=-crop_bottom))
page.add_transformation(pypdf.Transformation().scale(zoom, zoom))
page.mediabox.right = cropped_width * zoom
page.mediabox.top = cropped_height * zoom
page.add_transformation(pypdf.Transformation().translate(ty=(a4_height / zoom - (a4_height - crop_top))))
if i == 0 or i == 2:
if args.symmetry:
- page.add_transformation(pypdf.Transformation().translate(tx=-crop_right))
- else:
page.add_transformation(pypdf.Transformation().translate(tx=-crop_left))
+ else:
+ page.add_transformation(pypdf.Transformation().translate(tx=-crop_right))
elif i == 1 or i == 3:
- page.add_transformation(pypdf.Transformation().translate(tx=(a4_width / zoom - (a4_width - crop_right))))
+ if args.symmetry:
+ page.add_transformation(pypdf.Transformation().translate(tx=(a4_width / zoom - (a4_width - crop_left))))
+ else:
+ page.add_transformation(pypdf.Transformation().translate(tx=(a4_width / zoom - (a4_width - crop_right))))
page.add_transformation(pypdf.Transformation().scale(zoom * bonus_shrink_factor, zoom * bonus_shrink_factor))
if i == 2 or i == 3:
page.add_transformation(pypdf.Transformation().translate(ty=-2*printable_margin/printable_scale))