Django

3.Programlama Dilleri, 2016
Karabük Üniversitesi'nde yaptığım Sunum

Transcript

2. Az kod yazarak hızlı web uygulaması geliştirmeyi kolaylaştıran bir Python kütüphanesi
3. Uğur “vigo” Özyılmazel vigo vigobronx
4. CRUD
5. Create Read Update Delete
6. INSERT INTO users (email, password) VALUES ('hello@me.com', '12345') CREATE
7. SELECT * FROM users READ
8. UPDATE users SET email = 'new@email.com' WHERE id = 1 UPDATE
9. DELETE FROM users WHERE id = 1 DELETE
11. Batteries included Pilleri de yanında
12. DATABASE ABSTRACT
13. Model View Template
14. Model Template View
15. Form
16. Admin Panel
17. Security
18. I18N / L10N / TZ
19. Authentication / Session
20. Caching
21. Email / File Upload
22. BLOG id, status, published_at, title, body
23. pip install django django-admin.py startproject pg16_django cd pg16_django/ python manage.py migrate python manage.py createsuperuser python manage.py startapp blog
24. blog/ ├── migrations ├── __init__.py ├── admin.py ├── apps.py ├── models.py ├── tests.py └── views.py
25. # -*- coding: utf-8 -*- from __future__ import unicode_literals from django.db import models POST_STATUS = ( (0, u"Kapalı"), (1, u"Yayında"), ) class Post(models.Model): created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateTimeField(auto_now=True) status = models.IntegerField(choices=POST_STATUS, default=1,) published_date = models.DateTimeField() title = models.CharField(max_length=255) body = models.TextField() def __unicode__(self): return u"%s" % self.title
27. python manage.py makemigrations python manage.py migrate
28. operations = [ migrations.CreateModel( name='Post', fields=[ ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('created_at', models.DateTimeField( auto_now_add=True)), ('updated_at', models.DateTimeField( auto_now=True)), ('status', models.IntegerField(choices=[ (0, ‘Kapal\u0131'), (1, 'Yay\u0131nda')], default=1)), ('published_date', models.DateTimeField()), ('title', models.CharField(max_length=255)), ('body', models.TextField()), ], ), ]
29. Admin Panel
31. python manage.py runserver http://127.0.0.1:8000/admin/
34. class Post(models.Model): created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateTimeField(auto_now=True) status = models.IntegerField(choices=POST_STATUS, default=1,) published_at = models.DateTimeField() title = models.CharField(max_length=255) body = models.TextField()
35. python manage.py makemigrations
36. Did you rename post.published_date to post.published_at (a DateTimeField)? [y/N] y Migrations for 'blog': 0002_auto_20160224_1150.py: - Rename field published_date on post to published_at
38. VIEW ve TEMPLATE
39. CLASS BASED VIEW
40. CRUD create
41. class PostCreate(CreateView): model = Post template_name = 'post-add-update.html' fields = ['title', 'body', 'published_at'] initial = { 'published_at': datetime.datetime.now(), } success_url = reverse_lazy('post-list')
42. CRUD read
43. class PostDetail(DetailView): model = Post template_name = 'post-detail.html' def get_queryset(self): qs = super(PostDetail, self).get_queryset() return qs.filter(status=1, pk=self.kwargs.get('pk', None))
44. CRUD update
45. class PostUpdate(UpdateView): model = Post template_name = 'post-add-update.html' fields = ['title', 'body'] success_url = reverse_lazy('post-list')
46. CRUD delete
47. class PostDelete(DeleteView): model = Post template_name = 'post-check-delete.html' success_url = reverse_lazy('post-list')
48. TÜM KAYITLAR
49. class PostList(ListView): model = Post template_name = 'post-list.html' ordering = ['-published_at'] queryset = Post.objects.filter(status=1)
50. TEMPLATE
51. {% load staticfiles %} <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Kişisel Blog{% block html_title %}{% endblock %}</title> <link rel="stylesheet" href="{% static 'css/application.css' %}"> </head> <body> {% block content %}{% endblock %} </body> </html>
52. {% load staticfiles %} <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Kişisel Blog{% block html_title %}{% endblock %}</title> <link rel="stylesheet" href="{% static 'css/application.css' %}"> </head> <body> {% block content %}{% endblock %} </body> </html>
53. {% extends 'layout.html' %} {% load humanize %} {% block html_title %} : Postlar{% endblock %} {% block content %} {% include "header.html" %} <div class="container"> <div class="row"> <div class="col-xs-12"> <ul class="list-unstyled post-list"> {% for post in object_list %} <li> <a title="Detaylar için tıkla" href="{{ post. <time pubdate datetime="{{ post.published_at| <p class="lead">{{ post.body|striptags|trunca </li> {% endfor %} </ul> <a class="btn btn-lg btn-primary" href="{% url 'post- </div> </div> </div> {% include "footer.html" %} {% endblock content %}
54. {% extends 'layout.html' %} {% load humanize %} {% block html_title %} : Postlar{% endblock %} {% block content %} {% include "header.html" %} <div class="container"> <div class="row"> <div class="col-xs-12"> <ul class="list-unstyled post-list"> {% for post in object_list %} <li> <a title="Detaylar için tıkla" href="{{ post. <time pubdate datetime="{{ post.published_at| <p class="lead">{{ post.body|striptags|trunca </li> {% endfor %} </ul> <a class="btn btn-lg btn-primary" href="{% url 'post- </div> </div> </div> {% include "footer.html" %} {% endblock content %}
55. {% extends 'layout.html' %} {% load humanize %} {% block html_title %} : Postlar{% endblock %} {% block content %} {% include "header.html" %} <div class="container"> <div class="row"> <div class="col-xs-12"> <ul class="list-unstyled post-list"> {% for post in object_list %} <li> <a title="Detaylar için tıkla" href="{{ post. <time pubdate datetime="{{ post.published_at| <p class="lead">{{ post.body|striptags|trunca </li> {% endfor %} </ul> <a class="btn btn-lg btn-primary" href="{% url 'post- </div> </div> </div> {% include "footer.html" %} {% endblock content %}
56. <ul class="list-unstyled post-list"> {% for post in object_list %} <li> <a title="Detaylar için tıkla" href="{{ post.get_absolute_url }}">{{ post.title }}</a> <time pubdate datetime="{{ post.published_at|date:"c" }}" title="{{ post.published_at }}”> {{ post.published_at|naturaltime }}</time> <p class=“lead"> {{ post.body|striptags|truncatewords:20 }} </p> </li> {% endfor %} </ul> <a class="btn btn-lg btn-primary” href="{% url 'post-create' %}">Yeni Ekle</a>
57. {{ post.body|striptags|truncatewords:20 }}
58. {{ post.published_at|naturaltime }}
60. Kaynaklar
61. • http://tutorial.djangogirls.org/tr/ • https://docs.djangoproject.com/en/1.9/ • https://github.com/vigo/pg16_django • http://ccbv.co.uk/
62. http://media.djangopony.com/img/magic-pony-django-wallpaper.png Django Pony Resmi
63. Teşekkürler, sorular ?