User:Laura Macchini/project1: Difference between revisions

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[[File:Naamloze presentatie.pdf]]
<code>
#!/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


Pecha Kucha presentation of my project
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)
 
 
 
</code>

Revision as of 21:13, 15 December 2010

  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)