socials.py

import rospy
from std_msgs.msg import String
import os
import time


class Social:
    def __init__(self):
        self.vk_hashtag = str()
        self.twitter_hashtag = str()
        self.print_tags()

        #sub_vk = rospy.Subscriber('/social/vk/newsfeed_scanner/hashtag', String, self.callback_vk_hashtag)
        #twitter_vk = rospy.Subscriber('/social/twitter/code_scanner/code', String, self.callback_twitter_hashtag)
        
    def callback_vk_hashtag(self, data: String):
        self.vk_hashtag = data.data
        self.print_tags()

    def callback_twitter_hashtag(self, data: String):
        self.twitter_hashtag = data.data
        self.print_tags()

    def print_tags(self):
        #print('vk: ', self.vk_hashtag)
        if rospy.has_param('twitter_hashtag'):
            clear = os.system('clear')
            print('-----------hashtags-----------')
            print('twitter: ', rospy.get_param('twitter_hashtag'))
            print('vk: ', rospy.get_param('vk_hashtag'))



if __name__ == '__main__':
    rospy.init_node('socials')
    social = Social()

    while True:
        try:
            rospy.get_master().getPid()
        except:
            break
        social.print_tags()
        time.sleep(1)