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Update build_paged.py

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Mattia Mascarello 2022-08-24 01:00:04 +02:00 committed by GitHub
parent 9415e04bb5
commit 6f620154a7
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build_paged.py
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@ -1 +1,30 @@
from PyPDF3 import PdfFileWriter, PdfFileReader
from PyPDF3.pdf import PageObject
alembic = PdfFileReader(open("Alembic.pdf", "rb"), strict=False)
output = PdfFileWriter()
n = alembic.numPages
for i in range(n//2):
if not i%2:
print(n-i,i+1)
page1 = alembic.getPage(n-i-1)
page2 = alembic.getPage(i+1-1)
else:
print(i+1,n-i)
page1 = alembic.getPage(i+1-1)
page2 = alembic.getPage(n-i-1)
total_width = page1.mediaBox.upperRight[0] + page2.mediaBox.upperRight[0]
total_height = max([page1.mediaBox.upperRight[1], page2.mediaBox.upperRight[1]])
new_page = PageObject.createBlankPage(None, total_width, total_height)
# Add first page at the 0,0 position
new_page.mergePage(page1)
# Add second page with moving along the axis x
new_page.mergeTranslatedPage(page2, page1.mediaBox.upperRight[0], 0)
output.addPage(new_page)
output.write(open("paged.pdf", "wb"))