grab Dr. Rick Coleman's lecture slides for the day and combine into a PDF

getColeman.py

# 
# getColeman.py - grab Dr. Rick Coleman's lecture slides for the day and combine into a PDF
#
# made by Dayton Hasty
#
# (you may need to pip install fpdf)
#

import os
import requests
import re
from fpdf import FPDF
import datetime

course = "CS121" # change this to whatever your class is

now = datetime.datetime.now()
url = "https://www.cs.uah.edu/~rcoleman/" + course + "/TodaysClass/Images/"
print("Grabbing images...")
firstSubstr = "alt=\"[IMG]\"></td><td><a href=\""
r = requests.get(url)
lines = (r.text).split('\n')
images = []
for line in lines:
	if firstSubstr in line:
		tags = line.split("<") # break into smaller pieces for easier regex
		for tag in tags: 
			if "a href" in tag:
				images.append(re.search("\"(.*)\"",tag).group(1)) 
pdf = FPDF()
title = (images[0].split("_"))[0] # get title of lecture from image titles
for image in images:
	print("Downloading %s" % image)
	r = requests.get(url+image)
	if r.status_code != 200: # make sure we have permisison to access the files
		print("It doesn't look like the images for today are available. Please try again later.")
		exit(-1)
	with open(image,'wb') as f:
		f.write(r.content)
	pdf.add_page()
	pdf.image(image,x = None, y = 75,w = 190) # this is a rough guess and check of the correct width and y position.
	os.remove(image)
pdf.output(title+"_"+str(now.month)+"-"+str(now.day)+"-"+str(now.year)+".pdf","F") # write to PDF