blog.py 文件源码

def present_welcome():
    # check for a cookie, if present, then extract value

    cookie = bottle.request.get_cookie("session")
    username = sessions.get_username(cookie)  # see if user is logged in
    if username is None:
        print "welcome: can't identify user...redirecting to signup"
        bottle.redirect("/signup")

    return bottle.template("welcome", {'username': username})


# Helper Functions

# extracts the tag from the tags form element. An experienced python
# programmer could do this in  fewer lines, no doubt