datajoint-python/tests/schema_uuid.py at master · mohammadbashiri/datajoint-python · GitHub

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import uuid

import datajoint as dj

from . import PREFIX, CONN_INFO

schema = dj.Schema(PREFIX + '_test1', connection=dj.conn(**CONN_INFO))

top_level_namespace_id = uuid.UUID('00000000-0000-0000-0000-000000000000')

@schema

class Basic(dj.Manual):

definition = """

item : uuid

---

number : int

"""

@schema

class Topic(dj.Manual):

definition = """

# A topic for items

topic_id : uuid # internal identification of a topic, reflects topic name

---

topic : varchar(8000) # full topic name used to generate the topic id

"""

def add(self, topic):

"""add a new topic with a its UUID"""

self.insert1(dict(topic_id=uuid.uuid5(top_level_namespace_id, topic), topic=topic))

@schema

class Item(dj.Computed):

definition = """

item_id : uuid # internal identification of

---

-> Topic

word : varchar(8000)

"""

key_source = Topic # test key source that is not instantiated

def make(self, key):

for word in ('Habenula', 'Hippocampus', 'Hypothalamus', 'Hypophysis'):

self.insert1(dict(key, word=word, item_id=uuid.uuid5(key['topic_id'], word)))