Raw scraper code from the demo. The code is bad and I should feel bad.

scraper_raw.py

import re
import requests
from bs4 import BeautifulSoup

BASE = 'http://www.registrar.ucla.edu/schedule/'

def get_dept_url(term, dept):
  return BASE + 'crsredir.aspx?termsel=%s&subareasel=%s' % (term, dept)

def get_course_url(term, dept, id):
  return BASE + 'detselect.aspx?termsel=%s&subareasel=%s&idxcrs=%s' % (term, dept, id)

def cell_text(cell):
  return ' '.join(cell.stripped_strings)

def parse_table(table):
  data = []
  for row in table.find_all('tr'):
    row_data = map(cell_text, row.find_all(re.compile('t[dh]')))[::2]
    data.append(row_data)
  return data

response = requests.get(BASE + 'schedulehome.aspx')
soup = BeautifulSoup(response.text)
values = []
for option in soup.find_all('option'):
  values.append(option.get('value'))

terms = values[0:5]
dept_codes = values[5:]

winter = terms[1]
dept_urls = []
for dept_code in dept_codes:
  dept_urls.append(get_dept_url(winter, dept_code))

for i, dept_url in enumerate(dept_urls):
  response = requests.get(dept_url)
  soup = BeautifulSoup(response.text)
  course_ids = []
  for option in soup.find_all('option'):
    course_ids.append(option.get('value'))

  course_urls = []
  for course_id in course_ids:
    course_url = get_course_url(winter, dept_codes[i], course_id)
    course_urls.append(course_url)

  for course_url in course_urls:
    response = requests.get(course_url)
    soup = BeautifulSoup(response.text)
    tables = soup.find_all('table')
    if len(tables) < 8:
      break
    enrollment_table = tables[8]
    parsed_table = parse_table(enrollment_table)
    print course_url
    # print parsed_table
    for i in range(1, len(parsed_table)):
      try:
        print parsed_table[i][1] + ' ' + parsed_table[i][2] + ':\t' + parsed_table[i][13]
      except:
        print 'whoops!'
    print '=========================='