Calculates the area of a house from a listing on Zoopla

zoopla_house_area

import re
import urllib2
import numpy as np
from BeautifulSoup import BeautifulSoup

house_webpage = 'http://www.zoopla.co.uk/for-sale/details/28121543'

# Grab the whole webpage for the house listing
soup = BeautifulSoup(urllib2.urlopen(house_webpage).read())

# Pull out the "Property Description" bit
desc = soup.find("div",{"class":"top"}).text

# Find the room sizes and put them in an array
rooms = re.findall('\d\.\d\dm[ ]x[ ]\d.\d\dm',desc)

# Multiply the dimensions to get the area of each room
area = []
for room in rooms:
    area.append( float(room.split()[0][:-1]) * float(room.split()[-1][:-1]) )

# Now add up all the room areas
total_area = np.array(area).sum()

# Print the total area to screen
print total_area