old_contents: from sqlalchemy import create_engine
  from sqlalchemy.ext.declarative import declarative_base
  from sqlalchemy.orm import scoped_session, sessionmaker
  
  from hashlib import md5
  
  engine = create_engine("sqlite:///db/pastebin.db")
  session = scoped_session(sessionmaker(bind = engine, autoflush = False))
  
  Base = declarative_base(bind = engine)
  
  def init_db():
      """
      Creates the database schema. Import the models below to add them to the
      schema generation.
  
      Nothing happens when the database already exists.
      """
      from mmmpaste.models import Paste
      Base.metadata.create_all()
  
  
  def nuke_db():
      """
      Drop the bass.
      """
      from mmmpaste.models import Paste
      Base.metadata.drop_all()
  
  
  def new_paste(content, filename = None):
      from mmmpaste.models import Paste, Content
  
      hash = md5(content).hexdigest()
      dupe = session.query(Content).filter_by(hash = hash).first()
      paste = Paste(Content(content), filename)
  
      if dupe is not None:
          paste.content = dupe
  
      session.add(paste)
      session.commit()
  
  
  def get_paste(id):
      from mmmpaste.models import Paste
      return session.query(Paste).filter_by(id = id).first()
  
new_contents: from sqlalchemy import create_engine
  from sqlalchemy.ext.declarative import declarative_base
  from sqlalchemy.orm import scoped_session, sessionmaker
  
  from hashlib import md5
  
  engine = create_engine("sqlite:///db/pastebin.db")
  session = scoped_session(sessionmaker(bind = engine, autoflush = False))
  
  Base = declarative_base(bind = engine)
  
  def init_db():
      """
      Creates the database schema. Import the models below to add them to the
      schema generation.
  
      Nothing happens when the database already exists.
      """
      from mmmpaste.models import Paste
      Base.metadata.create_all()
  
  
  def nuke_db():
      """
      Drop the bass.
      """
      from mmmpaste.models import Paste
      Base.metadata.drop_all()
  
  
  def new_paste(content, filename = None):
      from mmmpaste.models import Paste, Content
      from mmmpaste.base62 import b62_encode
  
      hash = md5(content).hexdigest()
      dupe = session.query(Content).filter_by(hash = hash).first()
      paste = Paste(content, filename)
  
      if dupe is not None:
          paste.content = dupe
  
      session.add(paste)
      session.commit()
  
      paste.id_b62 = b62_encode(paste.id)
      session.commit()
  
      return paste.id_b62
  
  
  def get_paste(id_b62):
      from mmmpaste.models import Paste
      return session.query(Paste).filter_by(id_b62 = id_b62).first()
  
subject: Update base 62 id after paste creation.