flickr.py

from flickrapi import FlickrAPI


api_key = u'17c46cc46051677475500e33ce2a0e18'
api_secret = u'fd9bcdd95543e079'
flickr = FlickrAPI(api_key, api_secret)
SIZES = ["url_o", "url_k", "url_h", "url_l", "url_c"]
def get_photos(image_tag):
    extras = ','.join(SIZES)
    photos = flickr.walk(text=image_tag,  # it will search by image title and image tags
                            extras=extras,  # get the urls for each size we want
                            privacy_filter=1,  # search only for public photos
                            per_page=50,
                            sort='relevance')  # we want what we are looking for to appear first
    return photos
def get_url(photo):
    for i in range(len(SIZES)):  # makes sure the loop is done in the order we want
        url = photo.get(SIZES[i])
        if url:  # if url is None try with the next size
            return url
def get_urls(image_tag, max):
    photos = get_photos(image_tag)
    counter=0
    urls=[]

    for photo in photos:
        if counter < max:
            url = get_url(photo)  # get preffered size url
            if url:
                urls.append(url)
                counter += 1
            # if no url for the desired sizes then try with the next photo
        else:
            break

    return urls