code: def create(cls, name, filename):
      with open(filename, "rb") as f:
          return cls(filename=name, content=f.read())
  
imports: import hashlib
  import json
  import os
  import sqlalchemy
  from sqlalchemy.ext.declarative import declarative_base
  from sacred.dependencies import get_digest
  from sacred.serializer import restore
label_desc: Use image node_id 1 for calling the Artifact obj's underlying member method code with example usage: obj.create(cls, name, filename) and returns: cls