old_contents: from sqlalchemy import (
      LargeBinary, Boolean, Column, Integer, String, PickleType, ForeignKey)
  from sqlalchemy.orm import backref, relationship
  from sqlalchemy.orm.exc import NoResultFound
  
  from myarchive.db.tables.base import Base
  from myarchive.db.tables.file import TrackedFile
  from myarchive.db.tables.association_tables import (
      at_tweet_tag, at_tweet_file, at_twuser_file)
  
  
  class LJJournal(Base):
      """Class representing a raw tweet."""
      pass
  
new_contents: from sqlalchemy import (
      Column, Integer, String, TIMESTAMP, ForeignKey)
  from sqlalchemy.orm import backref, relationship
  from sqlalchemy.orm.exc import NoResultFound
  
  from myarchive.db.tables.base import Base
  from myarchive.db.tables.file import TrackedFile
  
  
  class LJHost(Base):
      """Class representing a user retrieved from a LJ-like service."""
  
      __tablename__ = 'lj_hosts'
  
      id = Column(Integer, index=True, primary_key=True)
      url = Column(String)
  
      def __init__(self, url):
          self.url = url
  
  
  class LJUser(Base):
      """Class representing a user retrieved from a LJ-like service."""
  
      __tablename__ = 'lj_users'
  
      id = Column(Integer, index=True, primary_key=True)
      username = Column(String)
      host_id = Column(Integer, ForeignKey("lj_hosts.id"))
  
      def __init__(self, user_id, username):
          self.id = user_id
          self.username = username
  
  
  class LJEntries(Base):
      """Class representing an entry retrieved from a LJ-like service."""
  
      __tablename__ = 'lj_entries'
  
      id = Column(Integer, index=True, primary_key=True)
      # itemid is unique only to the user, possibly only to the pull...
      itemid = Column(Integer)
      eventtime = Column(TIMESTAMP)
      subject = Column(String)
      text = Column(String)
      current_music = Column(String)
      user_id = Column(Integer, ForeignKey("lj_users.id"))
  
      def __init__(self, itemid, eventtime, subject, text, current_music):
          self.itemid = itemid
          self.eventtime = eventtime
          self.subject = subject
          self.text = text
          self.current_music = current_music
          # props["taglist"]
          # props["current_music"]
  
  
  class LJComments(Base):
      """Class representing a comment retrieved from a LJ-like service."""
  
      __tablename__ = 'lj_comments'
  
      id = Column(Integer, index=True, primary_key=True)
      body = Column(String)
      date = Column(TIMESTAMP)
      parent_id = Column(Integer, ForeignKey("lj_comments.id"))
      entry_id = Column(Integer, ForeignKey("lj_entries.id"))
  
subject: Add a bunch of LJ tables