old_contents: import json
  import os
  import re
  import base64
  import datetime
  import mistune
  import html2text
  import dbconn
  import dbutil
  from contextlib import suppress
  from hashlib import md5
  from steem.blockchain import Blockchain
  from steem.utils import block_num_from_hash
  
  class Article:
      subject = ""
      content = ""
      text = ""
      author = ""
      preview = ""
      url = ""
      tag = []
      img = None
      hashId = ""
      created = None
      
  
  def run():
      conn = dbconn.get_connection()
      lastId = dbutil.get_last_blockId(conn)
      b = Blockchain()
      for block in b.stream_from(full_blocks=True):
          dbutil.insert_blockId(conn, block_num_from_hash(block['block_id']), block['timestamp'])
          print(block['block_id'])
          btxs = list(map(lambda x:x['operations'][0], block['transactions']))
          for tx in btxs:
              if tx[0] == 'comment' and tx[1]['parent_author'] == '':
                  meta = json.loads(tx[1]['json_metadata'])
                  print(meta['tags'])
                  if "kr" in meta['tags'] and tx[1]['body'].startswith("@@ ", ) == False:
                      article = Article()
                      article.author = tx[1]['author']
                      article.subject = tx[1]['title']
                      article.content = tx[1]['body']
                      article.tag = meta['tags']
                      html = mistune.markdown(article.content)
                      article.text = html2text.html2text(html)
                      article.preview = article.text[0:100]
                      article.hashId = base64.b64encode(md5(article.preview.encode("UTF-8")).digest())[0:32]
                      article.created = datetime.datetime.strptime(block['timestamp'], '%Y-%m-%dT%H:%M:%S')
                      article.url = "https://steemkr.com/@" + article.author + "/" + tx[1]['permlink']
                      if "image" in meta:
                          article.img = meta['image']
                      dbutil.insert_article(conn, article)
      
  if __name__ == '__main__':
      run()
  
new_contents: import json
  import os
  import re
  import base64
  import datetime
  import mistune
  import html2text
  import dbconn
  import dbutil
  from contextlib import suppress
  from hashlib import md5
  from steem.blockchain import Blockchain
  from steem.utils import block_num_from_hash
  
  class Article:
      subject = ""
      content = ""
      text = ""
      author = ""
      preview = ""
      url = ""
      tag = []
      img = None
      hashId = ""
      created = None
      
  
  def run():
      conn = dbconn.get_connection()
      lastId = dbutil.get_last_blockId(conn)
      b = Blockchain()
      for block in b.stream_from(full_blocks=True):
          dbutil.insert_blockId(conn, block_num_from_hash(block['block_id']), block['timestamp'])
          print(block['block_id'])
          btxs = list(map(lambda x:x['operations'][0], block['transactions']))
          for tx in btxs:
              if tx[0] == 'comment' and tx[1]['parent_author'] == '':
                  meta = json.loads(tx[1]['json_metadata'])
                  if "kr" in meta['tags'] and tx[1]['body'].startswith("@@ ", ) == False:
                      print(meta['tags'])
                      article = Article()
                      article.author = tx[1]['author']
                      article.subject = tx[1]['title']
                      article.content = tx[1]['body']
                      article.tag = meta['tags']
                      html = mistune.markdown(article.content)
                      article.text = html2text.html2text(html)
                      article.preview = article.text[0:100]
                      article.hashId = base64.b64encode(md5(article.preview.encode("UTF-8")).digest())[0:32]
                      article.created = datetime.datetime.strptime(block['timestamp'], '%Y-%m-%dT%H:%M:%S')
                      article.url = "https://steemkr.com/@" + article.author + "/" + tx[1]['permlink']
                      if "image" in meta:
                          article.img = meta['image']
                      dbutil.insert_article(conn, article)
      
  if __name__ == '__main__':
      run()
  
subject: change condition of printing meta tags