python: make uuid in python

What’s uuid

UUID(Universal Unique Identifier) is a 128-bit number used to identify information in computer systems.

• wikipedia ‘UUID’

It represented as 32 hexadecimal digits, displayed in five groups separated by hyphens, form 8-4-4-4-12 for total of 36 characters.

022db29c-d0e2-11e5-bb4c-60f81dca7676

Make uuid in python

import uuid
print uuid.uuid4()

Use uuid in django

django support UUIDField for easy using uuid.

...
uuid = models.UUIDField(
    default=uuid.uuid4,
    editable=False,
    unique=True,
)
...

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