old_contents: '''
  tumbl.py does the following:
  1. post photo to blog 
  2. download n (current limit: 20) images from blog or tag 
  
  '''
  
  from tumblpy import Tumblpy
  import yaml
  import os
  import os.path
  from collagen import utils
  import argparse
  
  def load_config():
      config = utils.load_config('tumbl_config')
      consumer_KEY = config[':consumer_key'] 
      consumer_secret = config[':consumer_secret'] 
      token = config[':token'] 
      token_secret = config[':token_secret'] 
      default_n = config[':default_n']
      t = Tumblpy(consumer_KEY,consumer_secret, token, token_secret)
      blog_url = t.post('user/info')['user']['blogs'][0]['url']
      return t, default_n, blog_url
  
  #post photo to tumblr
  def post_photo(image_path, tumbl_object, url, tags):
      image = open(image_path, 'rb')
      post = tumbl_object.post('post', blog_url=url, params = {'type':'photo', 'tags': tags, 'data' : image})
      print('Uploading ' + image_path + ' to tumblr...')
      print(post)
  
  def get_tagged_images(tumbl_object, tag, folder, n):
      photo_count = 0
      timestamp = ''
      print('Downloading ' + tag + ' tag')
      while photo_count < n:
          posts = tumbl_object.get('tagged', params = {'tag':tag, 'limit':str(n), 'before':timestamp})
          for post in posts:
              if post['type'] == 'photo':
                  img_url = post['photos'][0]['original_size']['url']
                  if utils.get_ext(img_url) in ['.jpg','.png']:
                      photo_count += 1
                      utils.download_url(img_url, folder)
              timestamp = post['timestamp']
              if photo_count == n:
                  break
  
  def get_blog_images(tumbl_object, blog, folder, n):
      photo_count = 0
      offset = 0
      print('Downloading ' + str(n) + ' images from ' + blog)
      while photo_count < n:
          posts = tumbl_object.get('posts', blog_url=blog, params = {'type':'photo', 'limit':str(n), 'offset': str(offset)})['posts']
          for post in posts:
              img_url = post['photos'][0]['original_size']['url']
              if utils.get_ext(img_url) in ['.jpg', '.png']:
                  photo_count += 1
                  utils.download_url(img_url, folder)
              if photo_count == n:
                  break
          offset += n
  
  
  
  
new_contents: '''
  tumbl.py does the following:
  1. post photo to blog 
  2. download n (current limit: 20) images from blog or tag 
  
  '''
  
  from tumblpy import Tumblpy
  import yaml
  import os
  import os.path
  from collagen import utils
  import argparse
  
  def load_config():
      config = utils.load_config('tumbl_config')
      consumer_key = config[':consumer_key'] 
      consumer_secret = config[':consumer_secret'] 
      token = config[':token'] 
      token_secret = config[':token_secret'] 
      default_n = config[':default_n']
      t = Tumblpy(consumer_key,consumer_secret, token, token_secret)
      blog_url = t.post('user/info')['user']['blogs'][0]['url']
      return t, default_n, blog_url
  
  #post photo to tumblr
  def post_photo(image_path, tumbl_object, url, tags):
      image = open(image_path, 'rb')
      post = tumbl_object.post('post', blog_url=url, params = {'type':'photo', 'tags': tags, 'data' : image})
      print('Uploading ' + image_path + ' to tumblr...')
      print(post)
  
  def get_tagged_images(tumbl_object, tag, folder, n):
      photo_count = 0
      timestamp = ''
      print('Downloading ' + tag + ' tag')
      while photo_count < n:
          posts = tumbl_object.get('tagged', params = {'tag':tag, 'limit':str(n), 'before':timestamp})
          for post in posts:
              if post['type'] == 'photo':
                  img_url = post['photos'][0]['original_size']['url']
                  if utils.get_ext(img_url) in ['.jpg','.png']:
                      photo_count += 1
                      utils.download_url(img_url, folder)
              timestamp = post['timestamp']
              if photo_count == n:
                  break
  
  def get_blog_images(tumbl_object, blog, folder, n):
      photo_count = 0
      offset = 0
      print('Downloading ' + str(n) + ' images from ' + blog)
      while photo_count < n:
          posts = tumbl_object.get('posts', blog_url=blog, params = {'type':'photo', 'limit':str(n), 'offset': str(offset)})['posts']
          for post in posts:
              img_url = post['photos'][0]['original_size']['url']
              if utils.get_ext(img_url) in ['.jpg', '.png']:
                  photo_count += 1
                  utils.download_url(img_url, folder)
              if photo_count == n:
                  break
          offset += n
  
  
  
  
subject: fix variable names