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Commitec2eec0

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Add ch 13 PdfFileSplitter challenge solution
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# 13.5 - Challenge: PdfFileSplitter Class
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# Solution to challenge
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frompathlibimportPath
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fromPyPDF2importPdfFileReader,PdfFileWriter
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classPdfFileSplitter:
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"""Class for splitting a PDF into two files."""
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def__init__(self,pdf_path):
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# Open the PDF file with a new PdfFileReader instance
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self.pdf_reader=PdfFileReader(str(pdf_path))
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# Initialize the .writer1 and .writer2 attributes to None
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self.writer1=None
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self.writer2=None
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defsplit(self,breakpoint):
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"""Split the PDF into two PdfFileWriter instances"""
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# Set .writer1 and .writer2 to new PdfFileWriter intances
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self.writer1=PdfFileWriter()
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self.writer2=PdfFileWriter()
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# Add all pages up to, but not including, the breakpoint
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# to writer1
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forpageinself.pdf_reader.pages[:breakpoint]:
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self.writer1.addPage(page)
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# Add all the remaining pages to writer2
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forpageinself.pdf_reader.pages[breakpoint:]:
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self.writer2.addPage(page)
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defwrite(self,filename):
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"""Write both PdfFileWriter instances to files"""
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# Write the first file to <filename>_1.pdf
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withPath(str(filename)+"_1.pdf").open(mode="wb")asoutput_file:
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self.writer1.write(output_file)
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# Write the second file to <filename>_2.pdf
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withPath(str(filename)+"_2.pdf").open(mode="wb")asoutput_file:
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self.writer2.write(output_file)
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pdf_splitter=PdfFileSplitter("ch13-interact-with-pdf-files/practice_files/Pride_and_Prejudice.pdf")
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pdf_splitter.split(breakpoint=150)
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pdf_splitter.write("pride_split")

‎ch13-interact-with-pdf-files/3-concatenating-and-merging-pdfs.pyrenamed to‎ch13-interact-with-pdf-files/4-concatenating-and-merging-pdfs.py

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# 13.3 - Concatenating and Merging PDFs
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# 13.4 - Concatenating and Merging PDFs
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# Solutions to review exercises
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# ***********

‎ch13-interact-with-pdf-files/4-rotating-and-cropping-pdf-pages.pyrenamed to‎ch13-interact-with-pdf-files/5-rotating-and-cropping-pdf-pages.py

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# 13.4 - Rotating and Cropping PDF pages
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# 13.5 - Rotating and Cropping PDF pages
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# Solutions to review exercises
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# ***********

‎ch13-interact-with-pdf-files/5-encrypting-and-decrypting-pdfs.pyrenamed to‎ch13-interact-with-pdf-files/6-encrypting-and-decrypting-pdfs.py

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# 13.5 - Encrypting and Decrypting PDFs
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# 13.6 - Encrypting and Decrypting PDFs
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# Solutions to review exercises
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# ***********
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