import sqlite3
import sys
import imp

from peewee import SqliteDatabase, Model, TextField


db = SqliteDatabase('code.sqlite3')

class Module(Model):
    code = TextField()
    name = TextField()

    class Meta:
        database = db

db.connect()
db.create_tables([Module])

with open('demo.py') as f:
    demo_module = Module(code=f.read(), name='demo')
    demo_module.save()

def import_code(name, code):
    module = imp.new_module(name)

    exec(code) in module.__dict__

    return module

m = Module.get()
import_code(m.name, m.code)