account.py 文件源码

def _handle_avatar_update(user, avatar_form):
    if avatar_form.validate_on_submit():
        _file = request.files['avatar']
        coordinates = (avatar_form.x1.data, avatar_form.y1.data,
                       avatar_form.x2.data, avatar_form.y2.data)
        prefix = time.time()
        _file.filename = "%s_avatar.png" % prefix
        container = "user_%s" % user.id
        uploader.upload_file(_file,
                             container=container,
                             coordinates=coordinates)
        # Delete previous avatar from storage
        if user.info.get('avatar'):
            uploader.delete_file(user.info['avatar'], container)
        upload_method = current_app.config.get('UPLOAD_METHOD')
        avatar_url = get_avatar_url(upload_method,
                                    _file.filename, container)
        user.info = {'avatar': _file.filename,
                     'container': container,
                     'avatar_url': avatar_url}
        user_repo.update(user)
        cached_users.delete_user_summary(user.name)
        flash(gettext('Your avatar has been updated! It may \
                      take some minutes to refresh...'), 'success')
        return True
    else:
        flash("You have to provide an image file to update your avatar", "error")
        return False