Initial project files (#1)

* Initial files

* Added demo app

* First working demo example. Need to relocate demo template

* Fix up requirements.txt file. Removal of spurious entry

* Update setup and related scripts

Author: delsim

.gitignore

@@ -53,6 +53,7 @@ coverage.xml
 # Django stuff:
 *.log
 local_settings.py
+*/db.sqlite3
 
 # Flask stuff:
 instance/

README.md

@@ -1,2 +1,7 @@
 # django-plotly-dash
-Expose plotly dash apps as django tags
+
+Expose plotly dash apps as django tags.
+
+See the source for this project here:
+<https://github.com/GibbsConsulting/django-plotly-dash>.
+

demo/demo/__init__.py

@@ -0,0 +1,55 @@
+import dash
+import dash_core_components as dcc
+import dash_html_components as html
+
+from django_plotly_dash import DelayedDash
+
+app = DelayedDash('SimpleExample')
+
+app.layout = html.Div([
+    dcc.RadioItems(
+        id='dropdown-a',
+        options=[{'label': i, 'value': i} for i in ['Canada', 'USA', 'Mexico']],
+        value='Canada'
+    ),
+    html.Div(id='output-a'),
+
+    dcc.RadioItems(
+        id='dropdown-b',
+        options=[{'label': i, 'value': i} for i in ['MTL', 'NYC', 'SF']],
+        value='MTL'
+    ),
+    html.Div(id='output-b')
+
+])
+
+@app.callback(
+    dash.dependencies.Output('output-a', 'children'),
+    [dash.dependencies.Input('dropdown-a', 'value')])
+def callback_a(dropdown_value):
+    return 'You\'ve selected "{}"'.format(dropdown_value)
+
+
+@app.callback(
+    dash.dependencies.Output('output-b', 'children'),
+    [dash.dependencies.Input('dropdown-a', 'value'),
+     dash.dependencies.Input('dropdown-b', 'value')])
+def callback_b(dropdown_value,other_dd):
+    return 'You\'ve selected "{}" and "{}"'.format(dropdown_value,
+                                                   other_dd)
+
+a2 = DelayedDash("Ex2")
+a2.layout = html.Div([
+    dcc.RadioItems(id="dropdown-one",options=[{'label':i,'value':j} for i,j in [
+    ("O2","Oxygen"),("N2","Nitrogen"),]
+    ],value="Oxygen"),
+    html.Div(id="output-one")
+    ])
+
+@a2.callback(
+    dash.dependencies.Output('output-one','children'),
+    [dash.dependencies.Input('dropdown-one','value')]
+    )
+def callback_c(*args,**kwargs):
+    return "Args are %s and kwargs are %s" %("".join(*args),str(kwargs))
+

demo/demo/plotly_apps.py

@@ -0,0 +1,122 @@
+"""
+Django settings for demo 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 = 'va-ndhg=u^uti9x^9^9npg=+a4p%j(=50oiee+@zklb5qcnup4'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+
+    'django_plotly_dash',
+]
+
+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 = 'demo.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 = 'demo.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/'

demo/demo/settings.py

@@ -0,0 +1,28 @@
+"""demo 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
+
+from django.views.generic import TemplateView
+
+# Load demo plotly apps
+import demo.plotly_apps
+
+urlpatterns = [
+    path('', TemplateView.as_view(template_name='index.html')),
+    path('admin/', admin.site.urls),
+    path('django_plotly_dash/', include('django_plotly_dash.urls')),
+]

demo/demo/urls.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for demo 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", "demo.settings")
+
+application = get_wsgi_application()

demo/demo/wsgi.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "demo.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)

demo/manage.py

@@ -0,0 +1,6 @@
+#
+
+__version__ = "0.0.1"
+
+from .dash_wrapper import DelayedDash
+

django_plotly_dash/__init__.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.