Merging

Sample_Code/2-up.py

@@ -25,3 +25,30 @@ def main():
 
 if __name__ == "__main__":
     main()
+from PyPDF2 import PdfFileWriter, PdfFileReader
+import sys
+import math
+
+
+def main():
+    if (len(sys.argv) != 3):
+        print("usage: python 2-up.py input_file output_file")
+        sys.exit(1)
+    print ("2-up input " + sys.argv[1])
+    input1 = PdfFileReader(open(sys.argv[1], "rb"))
+    output = PdfFileWriter()
+    for iter in range (0, input1.getNumPages()-1, 2):
+        lhs = input1.getPage(iter)
+        rhs = input1.getPage(iter+1)
+        lhs.mergeTranslatedPage(rhs, lhs.mediaBox.getUpperRight_x(),0, True)
+        output.addPage(lhs)
+        print (str(iter) + " "),
+        sys.stdout.flush()
+
+    print("writing " + sys.argv[2])
+    outputStream = open(sys.argv[2], "wb")
+    output.write(outputStream)
+    print("done.")
+
+if __name__ == "__main__":
+    main()