The PyPDF2 amalgamation allows you to do a lot of advantageous operations on absolute PDFs. In this article, we will apprentice how to breach a distinct PDF into assorted abate ones. We will additionally apprentice how to booty a alternation of PDFs and accompany them aback calm into a distinct PDF.
PyPDF2 doesn’t appear as a allotment of the Python Accepted Library, so you will charge to install it yourself. The adopted way to do so is to use pip.
Now that we accept PyPDF2 installed, let’s apprentice how to breach and absorb PDFs!
The PyPDF2 amalgamation gives you the adeptness to breach up a distinct PDF into assorted ones. You aloof charge to acquaint it how abounding pages you want. For this example, we will download a W9 anatomy from the IRS and bend over all six of its pages. We will breach off anniversary folio and about-face it into its own standalone PDF.
Let’s acquisition out how:
For this example, we charge to acceptation both the PdfFileReader and the PdfFileWriter. Afresh we actualize a fun little action called pdf_splitter. It accepts the aisle of the ascribe PDF. The aboriginal band of this action will grab the name of the ascribe file, bare the extension. Next, we accessible the PDF up and actualize a clairvoyant object. Afresh we bend over all the pages application the clairvoyant object’s getNumPages method.
Inside of the for loop, we actualize an instance of PdfFileWriter. We afresh add a folio to our biographer article application its addPage method. This adjustment accepts a folio object, so to get the folio object, we alarm the clairvoyant object’s getPage method. Now, we added one folio to our biographer object. The aing footfall is to actualize a different book name, which we do by application the aboriginal book name additional the chat “page” additional the folio cardinal 1. We add the one because PyPDF2’s folio numbers are zero-based, so folio 0 is absolutely folio 1.
Finally, we accessible the new book name in write-binary approach and use the PDF biographer object’s write method to address the object’s capacity to disk.
Now that we accept a agglomeration of PDFs, let’s apprentice how we ability booty them and absorb them aback together. One advantageous use case for accomplishing this is for businesses to absorb their dailies into a distinct PDF. I accept bare to absorb PDFs for assignment and for fun. One activity that sticks out in my apperception is scanning abstracts in. Depending on the scanner you have, you ability end up scanning a certificate into assorted PDFs, so actuality able to accompany them calm afresh can be wonderful.
When the aboriginal PyPdf came out, the alone way to get it to absorb assorted PDFs calm was like this:
Here, we actualize a PdfFileWriter object and several PdfFileReader objects. For anniversary PDF path, we actualize a PdfFileWriter object and afresh bend over its pages, abacus anniversary and every folio to our biographer object. Afresh we address out the biographer object’s capacity to disk.
PyPDF2 fabricated this a bit simpler by creating a PdfFileMerger object:
Here, we aloof charge to actualize the PdfFileMerger object and afresh bend through the PDF paths, appending them to our amalgamation object. PyPDF2 will automatically adjoin the absolute document, so you don’t charge to bend through all the pages of anniversary certificate yourself. Then, we aloof address it out to disk.
The PdfFileMerger class additionally has a merge method that you can use. Its cipher analogue looks like this:
Basically, the merge method allows you to acquaint PyPDF area to absorb a folio by folio number. So, if you accept created a amalgamation article with three pages in it, you can acquaint the amalgamation article to absorb the aing certificate in at a specific position. This allows the developer to do some appealing circuitous amalgamation operations. Give it a try and see what you can do!
PyPDF2 is a able and advantageous package. I accept been application it off and on for years to assignment on assorted home and assignment projects. If you charge to dispense absolute PDFs, afresh this amalgamation ability be appropriate up your alley!
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