#!/bin/python

# Assemble a collection of PNG files (which may also
# actually be JPEG files) into a PDF file.

# Before this will run (as of Fedora 17), you must:
# yum install python-reportlab
# yum install python-reportlab-docs (a good idea).
# yum install python-imaging (important and vital)

import os

try:
    from reportlab.lib import pagesizes
    from reportlab.pdfgen import canvas
    from reportlab.lib.units import cm, mm, inch, pica
except ImportError:
    print ( "You need to install the python-reportlab package" )
    exit ()

images = []

for f in os.listdir("."):
    if f.endswith(".png"):
            images.append ( f )

images.sort()

for f in images :
	print f

pagesize=pagesizes.A4
margin=1*cm

page_width, page_height = pagesize
width = page_width - 2 * margin
height = page_height - 2 * margin

c = canvas.Canvas( "out.pdf", pagesize=pagesize)

for image_path in images:
    c.drawImage(image_path, margin, margin, width, height)
    c.showPage()

c.save()

# THE END