User:Laura Macchini/project1
< User:Laura Macchini
Revision as of 22:14, 15 December 2010 by Laura Macchini (talk | contribs)
#!/usr/bin/python
import cgi, cgitb
import json, urllib, sys, os, nltk, itertools, feedparser, urllib2, time, re
from urllib import urlopen
from nltk.text import *
from nltk.probability import FreqDist
from nltk.util import tokenwrap
print "Content-type: text/html"
print
print '''
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en"> '''
print '''<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title> tumblrthesaurus </title>
</head> '''
print '''<body>'''
form = cgi.FieldStorage()
keyword = form.getvalue('query')
#global
COUNTER = 1
results = []
searchdef = 'site:gutenberg.org '+keyword
extensions = ("jpg","png","bmp","gif")
def bylength(word1, word2):
return len(word1) - len(word2)
def displayKeywords():
# print "displayimages called"
targetfolder = './images/'+keyword
keyword_dir_list = os.listdir(targetfolder)
for url in keyword_dir_list:
targetfolderurl = targetfolder+"/"+url
print '<img src="../'+targetfolderurl+'" alt="'+keyword+'" />'
print "<br/>"
print '''</body> </html>'''
def displayImages(similars):
displayKeywords()
for sim in similars:
print "**"
targetfolder = './images/'+sim
keyword_dir_list = os.listdir(targetfolder)
for url in keyword_dir_list:
targetfolderurl = targetfolder+"/"+url
print '<img src="../'+targetfolderurl+'" alt="'+sim+'" />'
print "<br/>"
print '''</body> </html>'''
def tumblrDownloader(zoekwoord):
pipe = "http://pipes.yahoo.com/pipes/pipe.run?_id=zIR_uOFQ3hGQCl8j6ycw5g&_render=rss&q="+zoekwoord
feed = feedparser.parse(pipe)
# We need a folder to store the images
targetfolder = 'images/'+zoekwoord
if not os.path.isdir(targetfolder):
os.mkdir(targetfolder)
#if the extension is null add jpg
for e in feed.entries:
words = e.description.split()
for i in range(len(words)):
if words[i].endswith("img"):
pipe = words[i+1][5:-1]
filename = pipe.split('/')[-1]
for ext in extensions:
os.chdir(targetfolder)
if os.path.isfile(filename):
os.chdir("../..")
# print "file exists, skip"
else:
# print "downloading " + filename
cmd = 'wget -q %s' %pipe
cmd2 = 'chmod 755 %s' %filename
os.system(cmd)
os.system(cmd2)
os.chdir("../..")
break
def hits(astr):
for start in itertools.count():
query = urllib.urlencode({'q':astr, 'rsz': 8, 'start': start*8})
url = 'http://ajax.googleapis.com/ajax/services/search/web?v=1.0&%s'%(query)
search_results = urllib.urlopen(url)
results = json.loads(search_results.read())
data = results['responseData']
if data:
hits = data['results']
for h in hits:
yield h['url']
else:
raise StopIteration
def similar(self, word, num):
ret = []
if '_word_context_index' not in self.__dict__:
# print 'Building word-context index...'
self._word_context_index = ContextIndex(self.tokens, filter=lambda x:x.isalpha(), key=lambda s:s.lower())
word = word.lower()
wci = self._word_context_index._word_to_contexts
if word in wci.conditions():
contexts = set(wci[word])
fd = FreqDist(w for w in wci.conditions() for c in wci[w] if c in contexts and not w == word)
words = fd.keys()[:num]
return tokenwrap(words)
# else:
# print "No matches"
def tumblrMachine(similars):
tumblrDownloader(keyword)
for e in similars:
tumblrDownloader(e)
displayImages(similars)
def getText(url):
similars = []
global COUNTER
filename = url.split('/')[-1]
# print "parsing " + url
raw = urlopen(url).read()
tokens = nltk.word_tokenize(raw)
text = nltk.Text(tokens)
words = similar(text, keyword, 20)
if words:
for w in words.split():
if len(w) > 3:
similars.append(w)
similars.sort(cmp=bylength)
similars.reverse()
similars = similars[0:4]
# print similars
tumblrMachine(similars)
else:
# print "no matches"
COUNTER += 1
showless()
def gutenbergClean(url):
filename = url.split('/')[-1]
if filename.endswith(".htm"):
filename = filename.split('.')[0]
gutenbergUrl = 'http://www.gutenberg.org/files/'+filename+'/'+filename+'.htm'
else:
filename = filename.split('.')[0]
gutenbergUrl = 'http://www.gutenberg.org/files/'+filename+'/'+filename+'.txt'
getText(gutenbergUrl)
def googleQuery(astr,num):
os.chdir("..")
# print "now we are in"+ os.getcwd()
for i,h in enumerate(itertools.islice(hits(astr),num)):
results.append(h)
showless()
def showless():
global COUNTER
urlG = results[COUNTER]
gutenbergClean(urlG)
googleQuery(searchdef,50)