Added variables to site

variables/admin.py

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+from django.contrib import admin
+
+from .models import Variable
+
+
+@admin.register(Variable)
+class VariableAdmin(admin.ModelAdmin):
+    fields = ['key', 'help_text', 'value']
+    list_display = ['key', 'value', 'help_text']
+
+    def get_form(self, request, obj=None, **kwargs):
+        if obj:
+            self.readonly_fields = ['help_text', 'key']
+        else:
+            self.readonly_fields = []
+        return super().get_form(request, obj, **kwargs)

variables/apps.py

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+from django.apps import AppConfig
+
+
+class VariablesConfig(AppConfig):
+    name = 'variables'

variables/migrations/0001_initial.py

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+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2018-01-31 23:23
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Variable',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('key', models.CharField(max_length=20)),
+                ('value', models.CharField(max_length=1000)),
+                ('help_text', models.CharField(max_length=1000)),
+            ],
+        ),
+    ]

variables/migrations/0002_auto_20180131_1829.py

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+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2018-01-31 23:29
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('variables', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='variable',
+            name='help_text',
+            field=models.CharField(blank=True, max_length=1000, null=True),
+        ),
+        migrations.AlterField(
+            model_name='variable',
+            name='key',
+            field=models.CharField(max_length=20, unique=True),
+        ),
+        migrations.AlterField(
+            model_name='variable',
+            name='value',
+            field=models.CharField(blank=True, max_length=1000, null=True),
+        ),
+    ]

variables/migrations/0003_auto_20180131_1834.py

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+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2018-01-31 23:34
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('variables', '0002_auto_20180131_1829'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='variable',
+            name='help_text',
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]

variables/migrations/0004_auto_20180131_1834.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2018-01-31 23:34
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('variables', '0003_auto_20180131_1834'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='variable',
+            name='help_text',
+            field=models.CharField(blank=True, max_length=1000, null=True),
+        ),
+        migrations.AlterField(
+            model_name='variable',
+            name='value',
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]

variables/models.py

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+from django.db import models
+
+
+class Variable(models.Model):
+    key = models.CharField(max_length=20, unique=True)
+    value = models.TextField(blank=True, null=True)
+    help_text = models.CharField(max_length=1000, blank=True, null=True)

variables/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

variables/views.py

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+from django.shortcuts import render
+
+# Create your views here.