Django

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

Transcript

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2. Az kod yazarak hızlı web uygulaması geliştirmeyi
   kolaylaştıran bir Python kütüphanesi
   

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3. Uğur “vigo” Özyılmazel
   vigo
   vigobronx
   

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4. CRUD
   

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5. Create
   Read
   Update
   Delete
   

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6. INSERT INTO users (email, password)
   VALUES ('hello@me.com', '12345')
   CREATE
   

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7. SELECT * FROM users
   READ
   

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8. UPDATE users SET email = 'new@email.com'
   WHERE id = 1
   UPDATE
   

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9. DELETE FROM users WHERE id = 1
   DELETE
   

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11. Batteries included
    Pilleri de yanında
    

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12. DATABASE ABSTRACT
    

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13. Model View Template
    

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14. Model Template View
    

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15. Form
    

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16. Admin Panel
    

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17. Security
    

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18. I18N / L10N / TZ
    

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19. Authentication / Session
    

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20. Caching
    

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21. Email / File Upload
    

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22. BLOG
    id, status, published_at, title, body
    

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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
    

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24. blog/
    ├── migrations
    ├── __init__.py
    ├── admin.py
    ├── apps.py
    ├── models.py
    ├── tests.py
    └── views.py
    

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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
    

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27. python manage.py makemigrations
    python manage.py migrate
    

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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()),
    ],
    ),
    ]
    

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29. Admin Panel
    

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31. python manage.py runserver
    http://127.0.0.1:8000/admin/
    

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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()
    

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35. python manage.py makemigrations
    

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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
    

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38. VIEW ve TEMPLATE
    

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39. CLASS BASED VIEW
    

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40. CRUD
    create
    

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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')
    

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42. CRUD
    read
    

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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))
    

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44. CRUD
    update
    

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45. class PostUpdate(UpdateView):
    model = Post
    template_name = 'post-add-update.html'
    fields = ['title', 'body']
    success_url = reverse_lazy('post-list')
    

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46. CRUD
    delete
    

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47. class PostDelete(DeleteView):
    model = Post
    template_name = 'post-check-delete.html'
    success_url = reverse_lazy('post-list')
    

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48. TÜM KAYITLAR
    

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49. class PostList(ListView):
    model = Post
    template_name = 'post-list.html'
    ordering = ['-published_at']
    queryset = Post.objects.filter(status=1)
    

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50. TEMPLATE
    

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51. {% load staticfiles %}
    
    
    
    
    
    
    Kişisel Blog{% block html_title %}{% endblock %}
    
    
    
    {% block content %}{% endblock %}
    
    
    

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52. {% load staticfiles %}
    
    
    
    
    
    
    Kişisel Blog{% block html_title %}{% endblock %}
    
    
    
    {% block content %}{% endblock %}
    
    
    

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53. {% extends 'layout.html' %}
    {% load humanize %}
    {% block html_title %} : Postlar{% endblock %}
    {% block content %}
    {% include "header.html" %}
    
    
    
    
    {% for post in object_list %}
    
    {{ post.body|striptags|trunca
    
    {% endfor %}
    
    {% endblock content %}
    

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54. {% extends 'layout.html' %}
    {% load humanize %}
    {% block html_title %} : Postlar{% endblock %}
    {% block content %}
    {% include "header.html" %}
    
    
    
    
    {% for post in object_list %}
    
    {{ post.body|striptags|trunca
    
    {% endfor %}
    
    {% endblock content %}
    

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55. {% extends 'layout.html' %}
    {% load humanize %}
    {% block html_title %} : Postlar{% endblock %}
    {% block content %}
    {% include "header.html" %}
    
    
    
    
    {% for post in object_list %}
    
    {{ post.body|striptags|trunca
    
    {% endfor %}
    
    {% endblock content %}
    

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56. 
    {% for post in object_list %}
    
    href="{{ post.get_absolute_url }}">{{ post.title }}
    title="{{ post.published_at }}”>
    {{ post.published_at|naturaltime }}
    
    {{ post.body|striptags|truncatewords:20 }}
    
    
    {% endfor %}
    
    Yeni Ekle
    

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57. {{ post.body|striptags|truncatewords:20 }}
    

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58. {{ post.published_at|naturaltime }}
    

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60. Kaynaklar
    

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61. • http://tutorial.djangogirls.org/tr/
    • https://docs.djangoproject.com/en/1.9/
    • https://github.com/vigo/pg16_django
    • http://ccbv.co.uk/
    

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62. http://media.djangopony.com/img/magic-pony-django-wallpaper.png
    Django Pony Resmi
    

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63. Teşekkürler, sorular ?
    

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