python类forms()的实例源码

def signup():
    from forms import SignupForm

    form = SignupForm()
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data.lower()).first()
        if user is not None:
            form.email.errors.append("The Email address is already taken.")
            return render_template('signup.html', form=form)

        newuser = User(form.firstname.data,form.lastname.data,form.email.data,form.password.data)
        db.session.add(newuser)
        db.session.commit()

        session['email'] = newuser.email
        return redirect(url_for('login'))

    return render_template('signup.html', form=form)

def login():
    if g.user is not None and g.user.is_authenticated:
        return redirect(url_for('index'))

    from app.forms import LoginForm

    form = LoginForm()
    if form.validate_on_submit():
        session['remember_me'] = form.remember_me.data
        user = User.query.filter_by(email=form.email.data.lower()).first()
        if user and user.check_password(form.password.data):
            session['email'] = form.email.data
            login_user(user,remember=session['remember_me'])
            return redirect(url_for('index'))
        else:
            return render_template('login.html',form=form,failed_auth=True)

    return render_template('login.html',form=form)

def upload():
    from app.forms import UploadForm

    form = UploadForm()
    if form.validate_on_submit():
        action_msg = uploadFile(form.ros_file.data, form.manifest_file.data, form.comments.data)
        action_list = action_msg.split(";")
        if len(action_list) != 2:
            action_error_msg = action_list[0]
        else:
            action_error_msg = action_list[0]
            proxy_name = action_list[1]
        url_base = url()
        succeed = (action_error_msg == "None")
        if succeed == True:
            return render_template('download.html',download_url = "download/"+proxy_name)
        else:
            return render_template('upload.html',form=form, action_error_msg = action_error_msg, succeed = succeed)   

    return render_template('upload.html',form=form, action_error_msg = None, succeed = False)

def setting():
    from app.forms import SetForm

    form = SetForm()
    if form.validate_on_submit():
        servers = models.ServerIP.query.all()
        for server in servers:
            db.session.delete(server)
            db.session.commit()
        serverip = form.ip.data
        u = models.ServerIP(serverip = serverip)
        db.session.add(u)
        db.session.commit()
        return render_template('setting.html',form=form, succeed = True)
    return render_template('setting.html',form=form)