from flask import Flask
import twitter_api # name is probably different

app = Flask(__name__)
oauth = OAuth()

class User(Model):
    id = Integer()
    name = String()
    whatever = ...

class Tweet(Model):
    user = String()
    whatever = ...

# init twitter API here, but no oauth yet
t_api = twitter_api.API(whatever)

# doing normal stuff here, nothing twitter related
@app.route("/")
def hello():
    return "Hello World!"

# searching tweets, no auth required
@app.route("/tweets/<searchterm>")
def search(searchterm):
    # ask twitter API lib to search for things
    return results

# getting timeline here, auth needed
@app.route("/timeline/<user>")
def timeline(user):
    # ask twitter API lib to auth user and get timeline
    return timeline

if __name__ == "__main__":
    app.run()