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craigslistprice.py
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craigslistprice.py
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##################################################################################################################################
### Author: Shatrunjai Singh
### Date: 2-27-2015
### Description: Program to get the Prices from Cincinnati Criagslist for any item. Displays the average price, min and max price
#################################################################################################################################
import urllib2
import json
import re
import numpy as np
import urlparse
def craigslist(searcher, cityname):
u=url_fix("https://"+cityname+".craigslist.org/search/sss?query="+searcher+"&sort=rel")
print u
htmlfile=urllib2.urlopen(u)
#print ("result code: " + str(htmlfile.getcode()))
htmltext=htmlfile.read()
findtext='<span class="price">$(\d*)</span></a>'
pattern=re.compile(findtext)
price=re.findall(pattern,htmltext)
#print type(price)
price = map(int, price)
meanprice=np.mean(price)
maxprice=np.max(price)
minprice=np.min(price)
numberofitem=np.count_nonzero(price)
print json.dumps({'Name':searcher,'Prices':price,'TotalItemsCounted':numberofitem,'AveragePrice':meanprice,'MaximumPrice':maxprice,'MinPrice':minprice}, sort_keys=True,indent=4, separators=(',', ': '))
#print "The Cincinnati craigslist local price (in $) for ",searcher," is ",price
return json.dumps
def main():
searcher=raw_input ("Enter the item you want the prices for :")
cityname=raw_input ("Enter the city name :")
craigslist(searcher,cityname)
def url_fix(url, charset='utf-8'): #Code that i got from a website to replace blank spaces in urls with %20
url = url.strip()
if not url.startswith(('http://', 'https://', 'ftp://', 'ftps://')):
# no schema
url = 'http://' + url
if '/' not in url.split('//')[-1]:
# no path
frags = [url.find(sep) for sep in ('?', '#') if sep in url]
if frags:
x = min(frags)
host, qs = url[:x], url[x:]
else:
host, qs = url, ''
url = host + '/' + qs
if isinstance(url, unicode):
url = url.encode(charset)
host = url.split('//', 1)[1].split('/', 1)[0]
if not host.replace('.', '').replace('-', '').isalnum():
# idn
host = host.decode('utf-8').encode('idna')
schema = url.split('//', 1)[0]
uri = url.split('/', 3)[-1]
url = '%s//%s/%s' % (schema, host, uri)
url = urllib2.quote(url, safe="%/:=&?~#+!$,;'@()*[]")
return url
main()