Matplotlib figure to PDF without saving

Question

I have to create a group of matplotlib figures, which I would like to directly present in a PDF report without saving them as a file.

The data for my plots is stored in

Answer 1

Here is the best solution provided by matplotlib itself:

from matplotlib.backends.backend_pdf import PdfPages
import matplotlib.pyplot as plt

with PdfPages('foo.pdf') as pdf:
    #As many times as you like, create a figure fig and save it:
    fig = plt.figure()
    pdf.savefig(fig)

    ....
    fig = plt.figure()
    pdf.savefig(fig) 

Voilà

Find a full example here: multipage pdf matplotlib