Method post

demos/blog/blog.py:265–283

(self)

            self.render("login.html", error=None)

    async def post(self):
        try:
            author = await self.queryone(
                "SELECT * FROM authors WHERE email = %s", self.get_argument("email")
            )
        except NoResultError:
            self.render("login.html", error="email not found")
            return
        password_equal = await tornado.ioloop.IOLoop.current().run_in_executor(
            None,
            bcrypt.checkpw,
            tornado.escape.utf8(self.get_argument("password")),
            tornado.escape.utf8(author.hashed_password),
        )
        if password_equal:
            self.set_signed_cookie("blogdemo_user", str(author.id))
            self.redirect_to_next()
        else:
            self.render("login.html", error="incorrect password")


class AuthLogoutHandler(BaseHandler):