<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def primitive(self, primitive):
 """Record from Python primitive."""

        self.entry = Entry()
        self.entry.primitive = primitive

        primitive = copy(primitive)
        for field in self.entry.fields:
            del primitive[field]

        self.item = Item()
        self.item.primitive = primitive