pagelabels 1.2.1

Description:

pagelabels 1.2.1

pagelabels python library
This is a little library, based on pdfrw, that helps manipulate PDF page labels in python.
It can parse page labels from a PDF, edit page labels, and write them in a PDF.
For more info about page labels, see: https://www.w3.org/TR/WCAG20-TECHS/PDF17.html
Classes

PageLabels
PageLabelScheme

PageLabels
Inherits from list and represents a list of PageLabelSchemes.
PageLabels.from_pdf(pdfrwobj)
Static method.
Read page labels from a PdfReader object.
.write(pdfrwobj)
Write the page labels to a PdfReader object.
PageLabelScheme
Inherits from a named tuple with fields:

startpage : Index in the PDF where to start numbering pages according to this scheme
style : one of the strings arabic, roman uppercase, letters uppercase, roman lowercase, letters lowercase
prefix : string to prepend to all page labels
firstpagenum : where to start the index

Example
from pdfrw import PdfReader, PdfWriter

from pagelabels import PageLabels, PageLabelScheme

reader = PdfReader("input.pdf")
labels = PageLabels.from_pdf(reader)
newlabel = PageLabelScheme(startpage=3, # the index of the page of the PDF where the labels will start
style="roman", # See options in PageLabelScheme.styles()
prefix="Appendix ",
firstpagenum=1) # number to attribute to the first page of this index
labels.append(newlabel) # Adding our page labels to the existing ones
labels.write(reader)
writer = PdfWriter()
writer.trailer = reader
writer.write("output.pdf")