User:Laura Macchini/project1

From XPUB & Lens-Based wiki

  1. !/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')

  1. 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 ''+keyword+'' print "
" 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 ''+sim+'' print "
" 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("../..")

  1. print "file exists, skip"

else:

  1. 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__:

  1. 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)

  1. else:
  2. 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]

  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]

  1. print similars

tumblrMachine(similars) else:

  1. 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("..")

  1. 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)