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Python - randomFlickr

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  1. import os
  2. import random
  3. import re
  4. import urllib
  5. import urllib2
  6.  
  7. class flickrImages(object):
  8.  
  9.     RE_IMAGEURL = re.compile('src="(http://static.flickr.com/.+?_t.jpg)"', re.DOTALL | re.IGNORECASE)
  10.  
  11.     def __init__(self):
  12.  
  13.         self.imagesURLs = {}
  14.  
  15.     def getRandomImages(self):
  16.         '''        
  17.         Scarica dal sito FlickrImages delle immagini in maniera random...
  18.         '''
  19.  
  20.         htmlPage = ''
  21.         request = ''
  22.  
  23.         requestURL = 'http://flickr.com/photos?start=%d' % (random.randint(0, 5000))
  24.         requestHeaders = {'User-Agent':'flickrImages/1.0'}
  25.  
  26.         try:
  27.             request = urllib2.Request(requestURL, None, requestHeaders)
  28.             htmlPage = urllib2.urlopen(request).read(500000)
  29.         except:
  30.             pass
  31.  
  32.         results = flickrImages.RE_IMAGEURL.findall(htmlPage)
  33.  
  34.         if len(results) > 0:
  35.             for image in results:
  36.                 imageURL = urllib.unquote_plus(image)
  37.                 if not imageURL.startswith('http://'): imageURL = 'http://'+imageURL
  38.                 imageURL = imageURL.replace('_t.jpg', '_o.jpg') # Prende il formato piu' grande
  39.                 self.imagesURLs[imageURL] = 0
  40.  
  41.     def downloadImages(self):
  42.         '''
  43.         Scarica nella cartella googleIMGs le foto che vengono trovate in rete...
  44.         '''
  45.  
  46.         numberIMGs = len(self.imagesURLs)
  47.         posIMGs = 1
  48.  
  49.         for imageName in self.imagesURLs:
  50.             print '[' + str(posIMGs) + '/' + str(numberIMGs) + '] - ' + imageName
  51.             urllib.urlretrieve(imageName, 'flickrIMGs' + os.sep + os.path.split(imageName)[1])
  52.             posIMGs += 1
  53.  
  54. if __name__ == '__main__':
  55.  
  56.     test = flickrImages()
  57.  
  58.     test.getRandomImages()
  59.     test.downloadImages()
  60.  
  61.     print 'Finito...'

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