Metadata: data about data

In this section, we are going learn about the pyPdf module, which helps in extracting the metadata from a pdf file. But first, what is metadata? Metadata is data about data. Metadata is structured information that describes primary data. Metadata is a summary of that data. It contains the basic information regarding your actual data. It helps in finding a particular instance of your data.

First, we have to install the pyPdf module, as follows:

pip install pyPdf

Now, we will write a metadata_example.py script and we will see how we get the metadata information from it. We are going to write this script in Python 2:

import pyPdf
def main():
            file_name = '/home/student/sample_pdf.pdf'
            pdfFile = pyPdf.PdfFileReader(file...