Django with MongoDB using MongoEngine
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In this presentation i have covered the basics to integrate MongoDB in a Django Application. I have covered basics of Django, Mongo DB, Mongo Engine and an easy way to integrate it with Django
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Django with MongoDB using MongoEngine
- 1. Web development with Django and MongoDB
- 2. What is Django ➢ A high level web framework for rapid development ➢ Free and Open Source ➢ It's written in and for Python ➢ Very useful default admin panel ➢ Form Handling ➢ Templates – It has it's own template engine ➢ Object Relational Mapping (ORM) ➢ Model-View-Template
- 3. Architecture
- 4. Model class Person(models.Model): first_name = models.CharField(max_length=30) last_name = models.CharField(max_length=30)
- 5. Forms #Basic Form class PersonForm(forms.Form): first_name = forms.CharField(max_length=100) last_name = forms.CharField(max_length=100) #Model Forms class PersonForm(forms.ModelForm): class Meta: model = Person
- 6. View def person_by_firstname(request,first_name): person = Person.objects.find(first_name = first_name) return render_to_response('person.html', {'person' : person})
- 7. MongoDB ➢ Scalable High-performance Open Source, NoSQL database ➢ Query without joins ➢ Stores data in document model ➢ Nested Queries ➢ Map/Reduce for Aggregation
- 8. What is Document Model
- 9. Document Model - Denormalized
- 10. Nested Queries ● db.user.find({contact : {phone : “xyz”}}); ● db.user.find({contact : {email : “[email protected]”}});
- 11. Comparison with RDBMS RDBMS(MySql, Postgres) MongoDB Tables Collections Records/Rows Documents/Objects Queries Return Record Queries Return Cursor
- 12. Django with Mongo â—Ź At the core of Django is it's ORM Mongo Engine â—Ź An ORM written in Python for MongoDB â—Ź Say bye to Migrations. â—Ź It's similar to Django ORM â—Ź pip install mongoengine
- 14. Collecting things in View
- 16. MongoEngine is good â—Ź Constantly maintained â—Ź Works like Django ORM â—Ź A replaceable component in Django
- 17. Any Alternative? - Yes Django-nonrel â—Ź Not maintained anymore â—Ź Available for old django versions(maybe 1.4 or 1.5)
- 18. When should you use MongoDB â—Ź You are starting a project with design freedom â—Ź Your application has a lot of Geo-location data â—Ź You have a high-volume traffic â—Ź You want auto-sharding
- 19. Thank You