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Python “raise from” usage
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Adding Permissions in AndroidManifest.xml in Android Studio?
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IntelliJ 13 - Add Navigate Back/Forward to toolbar?
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Size of character ('a') in C/C++
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request exceeds the configured maxQueryStringLength when using [Authorize]
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How to Diff between local uncommitted changes and origin
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req.query and req.param in ExpressJS
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How do I fix a merge conflict due to removal of a file in a branch?
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How to increase scrollback buffer size in tmux?
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Create Django model or update if exists
...ase refer to @Zags excellent answer
Django already has a get_or_create, https://docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create
For you it could be :
id = 'some identifier'
person, created = Person.objects.get_or_create(identifier=id)
if created:
# means you have created a...