Django Show

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    Django Show - Presentation Transcript

    1. Django Show
    2. Um pouco sobre mim ● Formado em Ciência da Computação ● Entusiasta de Python e Django ● Colaborador do DjangoBrasil e do PythonBrasil ● Desenvolvedor na globo.com
    3. Django Show não é... ● Um show de uma boy band ● Uma apresentação de um indiano cantando barby girl ● Nem uma demonstração de magia
    4. Welcome to the Django!
    5. Arquitetura ● Model ● View ● Template
    6. Model from django.db import models from datetime import datetime class Link(models.Model): title = models.CharField(max_length = 255) date = models.DateTimeField(default = datetime.now) url = models.URLField(verify_exists = False) description = models.CharField(max_length = 255) def __unicode__(self): return self.description
    7. View from django.shortcuts import render_to_response from models import Link def index(request): links = Link.objects.all() return render_to_response('index.html', {'links':links})
    8. Template {% extends \"base.html\" %} {% block content %} {% for link in links %} <p> <a href=\"{{ link.url }}\"> {{ link.title }} </a> - {{ link.date|date:\"d/m/Y\" }} </p> {% endfor %} {% endblock %}
    9. Manipulando os dados >>> from mysite.bookmarks.models import * >>> l = Link() >>> l.title = 'Python Brasil' >>> l.description = 'Site da comunidade Python no Brasil' >>> l.url = 'http://www.pythonbrasil.com.br' >>> l.save() >>> l <Link: Site da comunidade Python no Brasil> >>> l = Link() >>> l.title = 'Django Brasil' >>> l.description = 'Site da comunidade Django no Brasil' >>> l.url = 'http://www.djangobrasil.org' >>> l.save() >>>
    10. Geração de Formulários ● Model x View x Template ● Model x View (Forms + Metodos) x Templates
    11. from django.forms import ModelForm from models import Link class LinkForm(ModelForm): class Meta: model = Link
    12. Interface de Administração ● Model x ModelAdmin
    13. from django.contrib import admin from models import Link admin.site.register(Link)
    14. Middleware views
    15. Middleware MIDDLEWARE_CLASSES = ( 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', )
    16. Algumas middlewares ● Session ● Authentication ● Log ● Gzip
    17. Mitos e verdades ● Django e monolítico ● Django não escala ● O deploy no Django é difícil e complicado
    18. Django e ZODB ● desafio ou loucura? =)
    19. import ZODB.config class ZODBConnection(object): def __init__(self): db = ZODB.config.databaseFromURL(zodb_url) connection = db.open() self.root = connection.root() ZODBInstance = ZODBConnection()
    20. from djangozodb import ZODBInstance class ZODBSession(object): def process_request(self, request): request.zodb = ZODBInstance
    21. Outros exemplos ● Django + SQLAlchemy (tranquil) ● Django + Storm ● Django + CouchDb ● Django + SQLObject ● Django + Seu ORM Favorito ● Django + BigTable on Google App Engine
    22. Mais um exemplo ● Django + REST
    23. Cache ● Cache em disco ● Cache em memória ● Cache em banco
    24. Cache ● Cache em disco ● Cache em memória ● Cache em banco ???? =\\
    25. Deploy ● Apache = mod_python ● Apache = mod_wsgi ● Apache = fast_cgi ● Lighttpd = fast_cgi ● Nginx = fast_cgi ● ...
    26. Em todo lugar... ● Cpython ● Jython ● IronPython ● PyPy ?????
    27. Em todo lugar... ● Cpython ● Jython ● IronPython ● PyPy =)
    28. Extra ● Authentication Backend ● Signals ● Django + {{ sua template system }}
    29. Duvidas? ● Andrews Medina ● andrewsmedina@gmail.com ● http://www.andrewsmedina.com

    + Andrews MedinaAndrews Medina, 2 years ago

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