def __init__(self, group_id):
     self.message = ""
     self.pictures = ""
     self.pictures_id = ""
     self.attachments = ""
     self.publish_date = ""
     self.owner_id = ""
     self.signed = 1
     self.group_id = vk_api.get_group_id_by_url(group_id)
     self.owner_id = -abs(int(self.group_id))
     url_to_post = ""