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XObject PDf helper
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import re | |
from io import BytesIO | |
from PIL import Image | |
from pdfrw.objects import PdfName | |
from pdfrw.findobjs import find_objects | |
from pdfrw import PdfReader, PdfWriter | |
original = "/tmp/expanded.pdf" | |
nuevo_file = "/tmp/nuevo.pdf" | |
regex = "\(data/res/(?P<image_filename>.*)\)" | |
regex_number = "img_(?P<number>.*).jpg" | |
reader = PdfReader(original, password="C9CD86F5401F4C808AE9CF2260A483C8") | |
xobjects = list(find_objects(reader, valid_types=(PdfName.XObject,), valid_subtypes=(PdfName.Image,))) | |
def new_pdf(xobjects): | |
for xobject in xobjects: | |
if '/F' in xobject: | |
#print(xobject) | |
m = re.match(regex, xobject['/F']) | |
if m: | |
filename = m.groupdict()['image_filename'] | |
print(filename) | |
image = Image.open(f"/tmp/images/{filename}") | |
rgb_image = image | |
if image.format != "JPEG" or image.mode == "L": | |
rgb_image = image.convert("RGB") | |
xobject.stream = rgb_image.tobytes().decode('latin1') | |
nuevo = PdfWriter(nuevo_file, trailer=reader) | |
nuevo.write() | |
new_pdf(xobjects) |
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