$ pip install python-tumblpy

# Without a dynamic callback url
# This will use the callback url specified in your app

# Go to http://www.tumblr.com/oauth/apps and click your
# app to find out your dynamic callback url
t = Tumblpy(app_key = '*your app key*',
            app_secret = '*your app secret*')

t = Tumblpy(app_key = '*your app key*',
        app_secret = '*your app secret*'
        callback_url = 'http://example.com/callback/')

auth_props = t.get_authentication_tokens()
auth_url = auth_props['auth_url']

oauth_token = auth_props['oauth_token']
oauth_token_secret = auth_props['oauth_token_secret']

Connect with Tumblr via: % auth_url

# oauth_token and oauth_token_secret come from the previous step
# if needed, store those in a session variable or something

t = Tumblpy(app_key = '*your app key*',
        app_secret = '*your app secret*',
        oauth_token=oauth_token,
        oauth_token_secret=oauth_token_secret)

# In Django, you'd do something like
# oauth_verifier = request.GET.get('oauth_verifier')

oauth_verifier = *Grab oauth verifier from URL*
authorized_tokens = t.get_authorized_tokens(oauth_verifier)

final_oauth_token = authorized_tokens['oauth_token']
final_oauth_token_secret = authorized_tokens['oauth_token_secret']

# Save those tokens to the database for a later use?

# Get the final tokens from the database or wherever you have them stored

t = Tumblpy(app_key = '*your app key*',
            app_secret = '*your app secret*',
            oauth_token=final_tokens['oauth_token'],
            oauth_token_secret=final_tokens['oauth_token_secret'])

# Print out the user info, let's get the first blog url...
blog_url = t.post('user/info')
blog_url = blog_url['user']['blogs'][0]['url']

t = Tumblpy()
avatar = t.get_avatar_url(blog_url='omglegit.tumblr.com', size=128)
print avatar['url']

# OR

avatar = t.get('avatar', blog_url='omglegit.tumblr.com'. extra_endpoints=['128'])
print avatar['url']

# Assume you are using the blog_url and Tumblpy instance from the previous section
posts = t.get('posts', blog_url=blog_url)
print posts

# Assume you are using the blog_url and Tumblpy instance from the previous sections

photo = open('/path/to/file/image.png', 'rb')
post = t.post('post', blog_url=blog_url, params={'type':'photo', 'caption': 'Test Caption', 'data': photo})
print post  # returns id if posted successfully

# Assume you are using the blog_url and Tumblpy instance from the previous sections

# Like I said in the previous section, you can pass any object that has a
# read() method

# Assume you are working with a JPEG

from PIL import Image
from StringIO import StringIO

photo = Image.open('/path/to/file/image.jpg')

basewidth = 320
wpercent = (basewidth / float(photo.size[0]))
height = int((float(photo.size[1]) * float(wpercent)))
photo = photo.resize((basewidth, height), Image.ANTIALIAS)

image_io = StringIO.StringIO()
photo.save(image_io, format='JPEG')

image_io.seek(0)

try:
    post = t.post('post', blog_url=blog_url, params={'type':'photo', 'caption': 'Test Caption', 'data': photo})
    print post
except TumblpyError, e:
    # Maybe the file was invalid?
    print e.message

# Assume you are using the blog_url and Tumblpy instance from the previous sections
try:
    follow = t.post('user/follow', params={'url': 'omglegit.tumblr.com'})
except TumblpyError:
    # if the url given in params is not valid,
    # Tumblr will respond with a 404 and Tumblpy will raise a TumblpyError

try:
    t.post('user/info')
except TumbplyError, e:
    print e.message
    print 'Something bad happened :('