django: starting the django tutorial

.gitignore

@@ -46,3 +46,6 @@ misc/kf/kf
 blue-pill/*/*.d
 core
 bitwise/ion/ion
+
+# django db
+/django/*/db.sqlite3

README.rst

@@ -9,6 +9,7 @@ Projects
 
 + ``adsep/``: `Algorithms + Data Structures = Programs <https://en.wikipedia.org/wiki/Algorithms_%2B_Data_Structures_%3D_Programs>`_
 + ``blue-pill/``: blue pill experiments
++ ``django/``: learning django
 + ``lpn/``: `Learn Prolog Now <http://lpn.swi-prolog.org/>`_
 + ``misc/``: A scratchpad of random programs; a replacement for
   `the basement <https://github.com/kisom/the_basement>`_

django/mysite/manage.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mysite.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)

django/mysite/mysite/settings.py

@@ -0,0 +1,121 @@
+"""
+Django settings for mysite project.
+
+Generated by 'django-admin startproject' using Django 2.0.5.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.0/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.0/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'x6i^1sjd80xh7g4g%_$_c=7hpw4fd9!l&q85w#^j47o4vmfud-'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'polls.apps.PollsConfig',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'mysite.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'mysite.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/2.0/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/2.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.0/howto/static-files/
+
+STATIC_URL = '/static/'

django/mysite/mysite/urls.py

@@ -0,0 +1,22 @@
+"""mysite URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/2.0/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import include, path
+
+urlpatterns = [
+    path('polls/', include('polls.urls')),
+    path('admin/', admin.site.urls),
+]

django/mysite/mysite/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for mysite project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mysite.settings")
+
+application = get_wsgi_application()

django/mysite/polls/admin.py

@@ -0,0 +1,5 @@
+from django.contrib import admin
+from .models import Question, Choice
+
+admin.site.register(Question)
+admin.site.register(Choice)

django/mysite/polls/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class PollsConfig(AppConfig):
+    name = 'polls'

django/mysite/polls/migrations/0001_initial.py

@@ -0,0 +1,36 @@
+# Generated by Django 2.0.5 on 2018-05-06 18:51
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Choice',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('choice_text', models.CharField(max_length=200)),
+                ('votes', models.IntegerField(default=0)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Question',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('question_text', models.CharField(max_length=200)),
+                ('pub_date', models.DateTimeField(verbose_name='date published')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='choice',
+            name='question',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='polls.Question'),
+        ),
+    ]

django/mysite/polls/models.py

@@ -0,0 +1,20 @@
+from django.db import models
+from django.utils import timezone
+
+class Question(models.Model):
+    question_text = models.CharField(max_length=200)
+    pub_date = models.DateTimeField('date published')
+
+    def __str__(self):
+        return self.question_text
+
+    def was_published_recently(self):
+        return self.pub_date >= timezone.now() - timezone.timedelta(days=1)
+
+class Choice(models.Model):
+    question = models.ForeignKey(Question, on_delete=models.CASCADE)
+    choice_text = models.CharField(max_length=200)
+    votes = models.IntegerField(default=0)
+
+    def __str__(self):
+        return self.choice_text

django/mysite/polls/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

django/mysite/polls/urls.py

@@ -0,0 +1,7 @@
+from django.urls import path
+
+from . import views
+
+urlpatterns = [
+    path('', views.index, name='index'),
+]

django/mysite/polls/views.py

@@ -0,0 +1,6 @@
+from django.shortcuts import render
+from django.http import HttpResponse
+
+# Create your views here.
+def index(request):
+    return HttpResponse("Hello, world. You're at the polls index.")

django/mysite/progress.txt

@@ -0,0 +1 @@
+https://docs.djangoproject.com/en/2.0/intro/tutorial03/