gistfile1.py

import os, re
from datetime import datetime
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template
from google.appengine.ext.webapp.util import run_wsgi_app

from google.appengine.api import urlfetch

from django.utils import simplejson as json


class Post(object):
    def __init__(self, id, url, date, caption, link_url,
                 photo1280, photo500, photo250, tag):
        self.id = id
        self.url = url
        self.date = date
        self.caption = caption
        self.link_url = link_url
        self.photo1280 = photo1280
        self.photo500 = photo500
        self.photo250 = photo250
        self.tag = tag

class Photo(object):
    MEMBERS = set('self description date title src url'.split())

    def __init__(self, **kwargs):
        if not set(kwargs.keys()) == Photo.MEMBERS:
            raise TypeError()
        for k, v in kwargs.iteritems():
            setattr(self, k, v)

class Song(object):
    def __init__(self, name, artist, album, src, url, playing):
        self.name = name
        self.artist = artist
        self.album = album
        self.src = src
        self.url = url
        self.playing = playing

def strip_tags_slashes(s):
    r = re.sub(r"\\(n|r)", "\n", s)
    r = re.sub(r"\\", "", r)
    r = re.sub(r"<.*?>", "", r)
    return r

def load_tweet(user):
    url = "http://twitter.com/users/" + user + ".json"

    try:
        result = urlfetch.fetch(url)
        js_object = json.loads(result.content)
        tweet = js_object['status']['text']
    except DownloadError:
        tweet = "Trouble fetching tweet."

    return tweet


def load_tumblr(user):
    url = "http://" + user + ".tumblr.com/api/read/json?type=photo&num=20&tagged=project"

    result = urlfetch.fetch(url)
    """ tumblr outputs the json as a javascript var, so we have to remove
        junk at the beginning and the semicolon at the end."""
    content = result.content.replace("var tumblr_api_read = ", "")
    content = content[:-2]

    js_object = json.loads(content)

    return js_object


def load_flickr(number):
    url = "http://api.flickr.com/services/feeds/photos_public.gne?id=9656853@N08&lang=en-us&format=json"

    result = urlfetch.fetch(url)
    content = result.content.replace("jsonFlickrFeed(", "")
    content = content[:-1]
    content = strip_tags_slashes(content)

    js_object = json.loads(content)

    flickr = []
    i = 0
    for item in js_object["items"]:
        if i < 5:
            description = item["description"]
            time_string = item["date_taken"].replace("T"," ")
            time_string = time_string[:-6]
            time_format = "%Y-%m-%d %H:%M:%S"
            date = datetime.strptime(time_string, time_format)

            title = item["title"]
            src = item["media"]["m"]
            url = item["link"]

            this_photo = Photo(description, date, title, src, url)
            flickr.append(this_photo)
            i+=1

    return flickr


def load_lastfm(user):
    url = "http://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=" + user + "&api_key=95a5c200a625641bdaa9b091849f59c9&limit=2&format=json"

    result = urlfetch.fetch(url)

    js_object = json.loads(result.content)

    lastfm = []
    for item in js_object["recenttracks"]["track"]:
        name = item["name"]
        artist = item["artist"]["#text"]
        album = item["album"]["#text"]
        src = item["image"][2]["#text"]
        url = item["url"]
        playing = "@attr" in item

        this_song = Song(name, artist, album, src, url, playing)
        lastfm.append(this_song)

    return lastfm

def get_posts(tumblr_object):
    posts = []
    for item in tumblr_object["posts"]:
        id = item["id"]
        url = item["url"]
        time_string = item["unix-timestamp"]
        date = datetime.fromtimestamp(time_string)

        caption = item["photo-caption"]
        link_url = item["photo-link-url"]
        photo1280 = item["photo-url-1280"]
        photo500 = item["photo-url-500"]
        photo250 = item["photo-url-250"]
        tags = item["tags"]
        tag = tags[0]

        this_post = Post(id, url, date, caption, link_url,
                         photo1280, photo500, photo250, tag)
        posts.append(this_post)

    return posts


class MainPage(webapp.RequestHandler):
    def get(self):
        tumblr_object = load_tumblr("tehome")

        description = tumblr_object['tumblelog']['description']
        total = tumblr_object['posts-total']
        rss = "http://" + tumblr_object['tumblelog']['name'] + ".tumblr.com/rss"

        posts = get_posts(tumblr_object)

        template_values = {
            'tweet': load_tweet("sherbondy"),
            'description': description,
            'rss': rss,
            'posts': posts,
            'flickr': load_flickr(5),
            'lastfm': load_lastfm("sherbondy")
            }


        path = os.path.join(os.path.dirname(__file__), 'index.html')
        self.response.out.write(template.render(path, template_values))


application = webapp.WSGIApplication([('/', MainPage)],
                                            debug=True)

def main():
    run_wsgi_app(application)

if __name__ == '__main__':
    main()