Download all the sweet debatovani.cz photos.

download_images.py

import facebook
import os
import sh

from slugify import slugify

oauth_access_token = ''
root = '/debatovani.cz/albums'

graph = facebook.GraphAPI(oauth_access_token)


def process_pages(root_url, after=None):
    data = graph.get_object(root, after=after) if after else graph.get_object(root)
    albums = data['data']
    if data.has_key('paging') and data['paging']['cursors'].has_key('after'):
        albums += process_pages(root_url, after=data['paging']['cursors']['after'])

    return albums


def process_album(album, after=None):
    album_url = '{album_id}/photos'.format(album_id=album['id'])
    fields = ['images']
    data = graph.get_object(album_url, after=after, fields = fields) if after else graph.get_object(album_url, fields = fields)
    image_blobs = data['data']
    if data.has_key('paging') and data['paging']['cursors'].has_key('after'):
        image_blobs += process_album(album, after=data['paging']['cursors']['after'])
    return image_blobs

def download_images(album_name, images):
    folder_name = slugify(album_name)
    if not os.path.isdir(folder_name):
        os.mkdir(folder_name)
    with open('{f}/wget_list'.format(f=folder_name), 'w') as ffile:
        ffile.write('\n'.join(images))

    print 'Downloading', album_name
    sh.wget(i='{f}/wget_list'.format(f=folder_name), directory_prefix=folder_name)


all_albums = process_pages(root)

for album in all_albums:
    images = [blob['images'][0]['source'] for blob in process_album(album) if blob]
    download_images(album_name=album['name'], images=images)