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A python web service

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Temian Vlad
Temian Vlad

Simple presentation about how to build an API in python uing Django, Django-REST-Framework, Django-Tastypie and Flask (Flask rules)

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A Python a web service A Python a web service @vtemian
A Python a web service Let’s imagine a perfect world...
A Python a web service WEB APPLICATION
A Python a web service Tools & Utilities WEB APPLICATION
A Python a web service WEB APPLICATION Tools & Utilities Web Process
A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process
A Python a web service WEB APPLICATION Tools & Utilities Web Process management tools supporting services Worker Process
A Python a web service WEB APPLICATION Tools & Utilities Web Process management tools user interface supporting services api service data persistence auth crud admin Worker Process
A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
A Python a web service Single codebase are EVIL!
A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks SS E M AL T TO data persistence auth crud admin
A Python a web service Decouple!
A Python a web service Developers End Users API service Data persistence Frontend
A Python a web service Developers API service End Users API service Internal API service Data persistence
A Python a web service Good API
A Python a web service Good API
A Python a web service Good API Intuitive similar things should be similar, ugly things should look ugly Documented Opinionated
A Python a web service Features posting of data with validation pagination propper HTTP response handling permissions throttling serialization authentification
A Python a web service Django regex routing system
A Python a web service Django regex routing system built-in orm
A Python a web service Django users = Users.objects.filter(last_login__lt=timestamp)
A Python a web service Django regex routing system built-in orm templating system auth management tools crud admin migrations testing tools makes decision for you
A Python a web service NOBODY CARES
A Python a web service Developers API service Django End Users API service Internal API service Data persistence
A Python a web service Django regex routing system testing tools templating system makes decision for you
A Python a web service
A Python a web service Django REST Framework
A Python a web service Just install it, write 20 lines of code > CRUD API
A Python a web service API Console
A Python a web service Great community
A Python a web service Easy to document your API
A Python a web service Integration test using APIRequestFactory
A Python a web service OAuth 1 & 2 out of the box
A Python a web service Serialization
A Python a web service Django paginator or PaginationSerializer
A Python a web service Object or field level validation
A Python a web service Using django caching policy
A Python a web service For throttling, just add: DEFAULT_THROTTLE_CLASSES + DEFAULT_THROTTLE_RATES in settings.py
A Python a web service Powerful and extensible object level permissions
A Python a web service
A Python a web service Depends on Django > get all the Django mess
A Python a web service Pretty huge
A Python a web service Can do a lot of black magic
A Python a web service Rigid
A Python a web service Django Tastypie
A Python a web service Plug and play
A Python a web service Decent auth support
A Python a web service Documented
A Python a web service Still supported
A Python a web service Paginator for pagination
A Python a web service Validation --- you can extend it
A Python a web service serializer = Serializer(formats=[‘json’, ‘jsonp’, ‘xml’, ‘yaml’, ‘html’, ‘plist’])
A Python a web service throttle = BaseThrottle(throttle_at=100)
A Python a web service NO NO NO
A Python a web service Not intuitive
A Python a web service Ugly
A Python a web service class ParentResource(ModelResource): children = fields.ToManyField(ChildResource, ‘children’) def prepend_urls(self): return [ url(r”^(?P<resource_name>%s)/(?P<pk>w[w/-]*)/children%s$” % (self._meta.resource_name, trailing_ slash()), self.wrap_view(‘get_children’), name=”api_get_children”), ] def get_children(self, request, **kwargs): try: bundle = self.build_bundle(data={‘pk’: kwargs[‘pk’]}, request=request) obj = self.cached_obj_get(bundle=bundle, **self.remove_api_resource_names(kwargs)) except ObjectDoesNotExist: return HttpGone() except MultipleObjectsReturned: return HttpMultipleChoices(“More than one resource is found at this URI.”) child_resource = ChildResource() return child_resource.get_detail(request, parent_id=obj.pk)
A Python a web service Depends on Django > get all the Django mess
A Python a web service Can do lot black magic Can do aalot of black magic
A Python a web service Rigid
A Python a web service Flask
A Python a web service
A Python a web service from flask import Flask app = Flask(__name__) @app.route(“/”) def hello(): return “Hello World!” if __name__ == “__main__”: app.run()
A Python a web service Werkzeug, Jinja 2 and good intentions
A Python a web service Very small and easy to learn (super intuitive)
A Python a web service Solid and well documented
A Python a web service Awesome and strong community
A Python a web service Great debugging tools
A Python a web service Application dispatcher (on wsgi level)
A Python a web service Integrating unittest and integration tests (also check flask-testing)
A Python a web service Signals
A Python a web service Configuration == dict
A Python a web service Blueprints
A Python a web service Response object == wsgi app
A Python a web service SHOW ME THE SOURCE YOU MUST
A Python a web service BYOB
A Python a web service Some batteries Flask-SQLAlchemy Flask-Testing Flask-Oauthlib Flask-Classy Flask-Cache Flask-Script Flask-Principal
A Python a web service
A Python a web service Q/A
A Python a web service Resources Kenneth Reitz Flask Goodness API Driven Development How I develop Things and Why? Kevin Lacker How to Design Great APIs?
A Python a web service Thank you! DRINK ALL THE BEERS!

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A python web service

  • 1. A Python a web service A Python a web service @vtemian
  • 2. A Python a web service Let’s imagine a perfect world...
  • 3. A Python a web service WEB APPLICATION
  • 4. A Python a web service Tools & Utilities WEB APPLICATION
  • 5. A Python a web service WEB APPLICATION Tools & Utilities Web Process
  • 6. A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process
  • 7. A Python a web service WEB APPLICATION Tools & Utilities Web Process management tools supporting services Worker Process
  • 8. A Python a web service WEB APPLICATION Tools & Utilities Web Process management tools user interface supporting services api service data persistence auth crud admin Worker Process
  • 9. A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
  • 10. A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
  • 11. A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
  • 12. A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
  • 13. A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks data persistence auth crud admin
  • 14. A Python a web service Single codebase are EVIL!
  • 15. A Python a web service WEB APPLICATION Tools & Utilities Web Process Worker Process management tools user interface deferred tasks supporting services api service scheduled tasks SS E M AL T TO data persistence auth crud admin
  • 16. A Python a web service Decouple!
  • 17. A Python a web service Developers End Users API service Data persistence Frontend
  • 18. A Python a web service Developers API service End Users API service Internal API service Data persistence
  • 19. A Python a web service Good API
  • 20. A Python a web service Good API
  • 21. A Python a web service Good API Intuitive similar things should be similar, ugly things should look ugly Documented Opinionated
  • 22. A Python a web service Features posting of data with validation pagination propper HTTP response handling permissions throttling serialization authentification
  • 23. A Python a web service Django regex routing system
  • 24. A Python a web service Django regex routing system built-in orm
  • 25. A Python a web service Django users = Users.objects.filter(last_login__lt=timestamp)
  • 26. A Python a web service Django regex routing system built-in orm templating system auth management tools crud admin migrations testing tools makes decision for you
  • 27. A Python a web service NOBODY CARES
  • 28. A Python a web service Developers API service Django End Users API service Internal API service Data persistence
  • 29. A Python a web service Django regex routing system testing tools templating system makes decision for you
  • 30. A Python a web service
  • 31. A Python a web service Django REST Framework
  • 32. A Python a web service Just install it, write 20 lines of code > CRUD API
  • 33. A Python a web service API Console
  • 34. A Python a web service Great community
  • 35. A Python a web service Easy to document your API
  • 36. A Python a web service Integration test using APIRequestFactory
  • 37. A Python a web service OAuth 1 & 2 out of the box
  • 38. A Python a web service Serialization
  • 39. A Python a web service Django paginator or PaginationSerializer
  • 40. A Python a web service Object or field level validation
  • 41. A Python a web service Using django caching policy
  • 42. A Python a web service For throttling, just add: DEFAULT_THROTTLE_CLASSES + DEFAULT_THROTTLE_RATES in settings.py
  • 43. A Python a web service Powerful and extensible object level permissions
  • 44. A Python a web service
  • 45. A Python a web service Depends on Django > get all the Django mess
  • 46. A Python a web service Pretty huge
  • 47. A Python a web service Can do a lot of black magic
  • 48. A Python a web service Rigid
  • 49. A Python a web service Django Tastypie
  • 50. A Python a web service Plug and play
  • 51. A Python a web service Decent auth support
  • 52. A Python a web service Documented
  • 53. A Python a web service Still supported
  • 54. A Python a web service Paginator for pagination
  • 55. A Python a web service Validation --- you can extend it
  • 56. A Python a web service serializer = Serializer(formats=[‘json’, ‘jsonp’, ‘xml’, ‘yaml’, ‘html’, ‘plist’])
  • 57. A Python a web service throttle = BaseThrottle(throttle_at=100)
  • 58. A Python a web service NO NO NO
  • 59. A Python a web service Not intuitive
  • 60. A Python a web service Ugly
  • 61. A Python a web service class ParentResource(ModelResource): children = fields.ToManyField(ChildResource, ‘children’) def prepend_urls(self): return [ url(r”^(?P<resource_name>%s)/(?P<pk>w[w/-]*)/children%s$” % (self._meta.resource_name, trailing_ slash()), self.wrap_view(‘get_children’), name=”api_get_children”), ] def get_children(self, request, **kwargs): try: bundle = self.build_bundle(data={‘pk’: kwargs[‘pk’]}, request=request) obj = self.cached_obj_get(bundle=bundle, **self.remove_api_resource_names(kwargs)) except ObjectDoesNotExist: return HttpGone() except MultipleObjectsReturned: return HttpMultipleChoices(“More than one resource is found at this URI.”) child_resource = ChildResource() return child_resource.get_detail(request, parent_id=obj.pk)
  • 62. A Python a web service Depends on Django > get all the Django mess
  • 63. A Python a web service Can do lot black magic Can do aalot of black magic
  • 64. A Python a web service Rigid
  • 65. A Python a web service Flask
  • 66. A Python a web service
  • 67. A Python a web service from flask import Flask app = Flask(__name__) @app.route(“/”) def hello(): return “Hello World!” if __name__ == “__main__”: app.run()
  • 68. A Python a web service Werkzeug, Jinja 2 and good intentions
  • 69. A Python a web service Very small and easy to learn (super intuitive)
  • 70. A Python a web service Solid and well documented
  • 71. A Python a web service Awesome and strong community
  • 72. A Python a web service Great debugging tools
  • 73. A Python a web service Application dispatcher (on wsgi level)
  • 74. A Python a web service Integrating unittest and integration tests (also check flask-testing)
  • 75. A Python a web service Signals
  • 76. A Python a web service Configuration == dict
  • 77. A Python a web service Blueprints
  • 78. A Python a web service Response object == wsgi app
  • 79. A Python a web service SHOW ME THE SOURCE YOU MUST
  • 80. A Python a web service BYOB
  • 81. A Python a web service Some batteries Flask-SQLAlchemy Flask-Testing Flask-Oauthlib Flask-Classy Flask-Cache Flask-Script Flask-Principal
  • 82. A Python a web service
  • 83. A Python a web service Q/A
  • 84. A Python a web service Resources Kenneth Reitz Flask Goodness API Driven Development How I develop Things and Why? Kevin Lacker How to Design Great APIs?
  • 85. A Python a web service Thank you! DRINK ALL THE BEERS!