Remove old exercise solutions

somacdivad · somacdivad · commit c4594c8e4947 · 2020-01-13T21:24:40.000-06:00
diff --git a/ch13-interact-with-pdf-files/4-rotating-and-cropping-pdf-pages.py b/ch13-interact-with-pdf-files/4-rotating-and-cropping-pdf-pages.py
@@ -1,41 +1,2 @@
-# 13.2 - Extract Pages From a PDF
+# 13.4 - Rotating and Cropping PDF pages
 # Solutions to review exercises
-
-import os
-import copy
-from pyPDF2 import PdfFileReader, PdfFileWriter
-
-
-# Exercise 1
-path = "C:/python-basics-exercises/ch13-interact-with-pdf-files/\
-        practice_files"
-
-input_file_path = os.path.join(path, "Walrus.pdf")
-input_file = PdfFileReader(input_file_path)
-output_PDF = PdfFileWriter()
-
-input_file.decrypt("IamtheWalrus")  # decrypt the input file
-
-
-# Exercise 2
-for page_num in range(0, input_file.getNumPages()):
-    # rotate pages (call everything page_left for now; will make a copy)
-    page_left = input_file.getPage(page_num)
-    page_left.rotateCounterClockwise(90)
-
-    page_right = copy.copy(page_left)  # split each page in half
-    upper_right = page_left.mediaBox.upperRight  # get original page corner
-
-    # crop and add left-side page
-    page_left.mediaBox.upperRight = (upper_right[0] / 2, upper_right[1])
-    output_PDF.addPage(page_left)
-    # crop and add right-side page
-    page_right.mediaBox.upperLeft = (upper_right[0] / 2, upper_right[1])
-    output_PDF.addPage(page_right)
-
-
-# Exercise 3
-# save new pages to an output file
-output_file_path = os.path.join(path, "Output/Updated Walrus.pdf")
-with open(output_file_path, "wb") as output_file:
-    output_PDF.write(output_file)
