diff --git a/ch14-interact-with-pdf-files/3-challenge-PdfFileSplitter-class.py b/ch14-interact-with-pdf-files/3-challenge-PdfFileSplitter-class.py index 5357574..08a06da 100644 --- a/ch14-interact-with-pdf-files/3-challenge-PdfFileSplitter-class.py +++ b/ch14-interact-with-pdf-files/3-challenge-PdfFileSplitter-class.py @@ -1,47 +1,46 @@ -# 14.5 - Challenge: PdfFileSplitter Class -# Solution to challenge - +# the below code will work for python > 3.5 from pathlib import Path - -from PyPDF2 import PdfFileReader, PdfFileWriter +# the imported objects are as per the latest PyPDF2 +from PyPDF2 import PdfReader, PdfWriter class PdfFileSplitter: - """Class for splitting a PDF into two files.""" - - def __init__(self, pdf_path): - # Open the PDF file with a new PdfFileReader instance - self.pdf_reader = PdfFileReader(pdf_path) - # Initialize the .writer1 and .writer2 attributes to None - self.writer1 = None - self.writer2 = None - - def split(self, breakpoint): - """Split the PDF into two PdfFileWriter instances""" - # Set .writer1 and .writer2 to new PdfFileWriter intances - self.writer1 = PdfFileWriter() - self.writer2 = PdfFileWriter() - # Add all pages up to, but not including, the breakpoint - # to writer1 - for page in self.pdf_reader.pages[:breakpoint]: - self.writer1.addPage(page) - # Add all the remaining pages to writer2 - for page in self.pdf_reader.pages[breakpoint:]: - self.writer2.addPage(page) - - def write(self, filename): - """Write both PdfFileWriter instances to files""" - # Write the first file to _1.pdf - with Path(filename + "_1.pdf").open(mode="wb") as output_file: - self.writer1.write(output_file) - # Write the second file to _2.pdf - with Path(filename + "_2.pdf").open(mode="wb") as output_file: - self.writer2.write(output_file) - - -# Split the Pride_and_Prejudice.pdf file into two PDFs, the first -# containing the first 150 pages, and the second containing the -# remaining pages. -pdf_splitter = PdfFileSplitter("ch14-interact-with-pdf-files/practice_files/Pride_and_Prejudice.pdf") -pdf_splitter.split(breakpoint=150) -pdf_splitter.write("pride_split") + # class instantiated with path string + # pdf reader class cannot be used from inside the class as it is not defined only in init + def __init__(self,pdf_path): + self.pdf_path = pdf_path + + def split(self, superpoint, breakpoint): + # instantiate the writerobject + self.writer1 = PdfWriter() + self.writer2 = PdfWriter() + + # break the pages till breakpoint + for page in range(breakpoint): + pages1 = self.pdf_path.pages[page] + self.writer1.add_page(pages1) + # get the last page as input and remember order is positional argument and then key argument + for page in range(breakpoint, superpoint): + pages1 = self.pdf_path.pages[page] + self.writer2.add_page(pages1) + + def write(self): + # save the files with 1 and 2 names then check it with print statement + with Path("1.pdf").open(mode = "wb") as file: + self.writer1.write(file) + print(f"File 1.pdf created successfully.") + + with Path("2.pdf").open(mode = "wb") as file: + self.writer2.write(file) + +pdf_og = Path.home()/"Python_Complete_Guide.pdf" +print(pdf_og) +# pdf reader instance +input_pdf = PdfReader(str(pdf_og)) +endpage = len(input_pdf.pages) +print(endpage) + +# class is called with the instance created +pf_splitter = PdfFileSplitter(input_pdf) +pf_splitter.split(endpage,breakpoint = 150) +pf_splitter.write() pFad - Phonifier reborn

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