initial commit

.gitignore

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+/venv
+/pgdata
+db.sqlite3
+__pycache__/
+

docker-compose.yml

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+version: "2"
+
+services:
+ db:
+  image: postgres:10-alpine
+  volumes:
+   - ./pgdata/:/var/lib/postgresql/data/
+  environment:
+   - POSTGRES_PASSWORD=secret
+   - POSTGRES_USER=partdoc
+  ports:
+   - "127.0.0.1:5432:5432"

partdoc/manage.py

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+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "partdoc.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError:
+        # The above import may fail for some other reason. Ensure that the
+        # issue is really that Django is missing to avoid masking other
+        # exceptions on Python 2.
+        try:
+            import django
+        except ImportError:
+            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?"
+            )
+        raise
+    execute_from_command_line(sys.argv)

partdoc/partdoc/settings.py

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+"""
+Django settings for partdoc project.
+
+Generated by 'django-admin startproject' using Django 1.11.5.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.11/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/1.11/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/1.11/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '5#q$w%zp3y*2e(&a@w09eon7@6a0#^3(ddr3#_(1_@%j*7+fcj'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+	'parts.apps.PartsConfig',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'django_extensions',
+]
+
+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 = 'partdoc.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 = 'partdoc.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'partdoc',
+        'USER': 'partdoc',
+        'PASSWORD': 'secret',
+        'HOST': '127.0.0.1',
+        'PORT': '5432',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/1.11/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/1.11/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/1.11/howto/static-files/
+
+STATIC_URL = '/static/'

partdoc/partdoc/urls.py

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+"""partdoc URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/1.11/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.conf.urls import url, include
+    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
+"""
+from django.conf.urls import url, include
+from django.contrib import admin
+
+urlpatterns = [
+	url(r'^parts/', include('parts.urls'), name="parts"),
+    url(r'^admin/', admin.site.urls),
+]

partdoc/partdoc/wsgi.py

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+"""
+WSGI config for partdoc 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/1.11/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "partdoc.settings")
+
+application = get_wsgi_application()

partdoc/parts/admin.py

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+from django.contrib import admin
+
+from .models import Brand, Product, Version, Sketch, Part, Usage, BrandedPart, ProductUsage
+
+admin.site.register([Brand, Product, Version, Sketch, Part, Usage, BrandedPart, ProductUsage])

partdoc/parts/apps.py

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+from django.apps import AppConfig
+
+
+class PartsConfig(AppConfig):
+    name = 'parts'

partdoc/parts/models.py

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+from django.db import models
+
+class Brand(models.Model):
+	name = models.CharField(max_length=256)
+	
+	def __str__(self):
+		return self.name
+
+
+class Product(models.Model):
+	name = models.CharField(max_length=256)
+	brand = models.ForeignKey(Brand)
+	
+	def __str__(self):
+		return self.name + " (" + self.brand.name + ")"
+
+
+class Sketch(models.Model):
+	class Meta:
+		verbose_name_plural = "sketches"
+	name = models.CharField(max_length=256)
+	brand = models.ForeignKey(Brand, blank=True, null=True)
+	product = models.ForeignKey(Product, blank=True, null=True)
+	
+	def __str__(self):
+		return "Sketch: " + self.name + " (" + str(self.brand) + ")"
+	
+	def get_product(self):
+		if self.product:
+			return [self.product] + list(self.usage_set.values('productusage__product').distinct())
+		return self.usage_set.values('productusage__product').distinct()
+	def get_brand(self):
+		if self.brand:
+			return [self.brand] + list(self.usage_set.values('productusage__product__brand').distinct())
+		return self.usage_set.values('productusage__product__brand').distinct()
+
+
+class Version(models.Model):
+	product = models.ForeignKey(Product)
+	name = models.CharField(max_length=256)
+	
+	def __str__(self):
+		return "Version: " + self.name + " (" + str(self.product) + ")"
+
+
+class Part(models.Model):
+	name = models.CharField(max_length=256)
+	
+	def __str__(self):
+		return self.name
+
+class BrandedPart(models.Model):
+	part = models.ForeignKey(Part)
+	brand = models.ForeignKey(Brand)
+	number = models.CharField(max_length=32, unique=True)
+	
+	def __str__(self):
+		return self.number +": "+ self.part.name + " @ " + self.brand.name
+
+
+class Usage(models.Model):
+	part = models.ForeignKey(BrandedPart)
+	sketch = models.ForeignKey(Sketch)
+	sketch_number = models.CharField(max_length=32)
+	exact_sketch = models.BooleanField(default=True)
+	#quantity = models.ManyToManyField(ProductUsage)
+	
+	def __str__(self):
+		return self.sketch_number +"; " + self.part.number +"; "+ self.part.part.name + "; " + str(self.sketch)
+
+
+class ProductUsage(models.Model):
+	usage = models.ForeignKey(Usage)
+	product = models.ForeignKey(Product)
+	quantity = models.IntegerField()
+	on_demand = models.BooleanField(default=False)
+	obsolete = models.BooleanField(default=False)
+	used_until = models.ForeignKey(Version, null=True, blank=True, related_name='introduces')
+	used_since = models.ForeignKey(Version, null=True, blank=True, related_name='dissmisses')
+	replaced_by = models.ForeignKey('self', null=True, blank=True, related_name='replaces')
+	alternative = models.ForeignKey('self', null=True, blank=True, related_name='alternatives')
+	note = models.CharField(max_length=1024, blank=True)
+	internal_note = models.CharField(max_length=2, blank=True)
+	
+	def __str__(self):
+		return "ProductUsage: " + self.product.name + " @ " + str(self.quantity) + "; "+ self.usage.part.number

partdoc/parts/templates/parts/product.html

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+<h1>{{product.name}}</h1>
+<h2>{{product.brand}}</h2>
+<h3>explicit sketches</h3>
+<ul>
+	{% for sketch in product.sketch_set.all %}
+		<li><a href="/parts/sketch/{{sketch.id}}/">{{sketch.name}}</a></li>
+	{% endfor %}
+</ul>
+
+<h3>implicit sketches</h3>
+<ul>
+	{% for sketch in sketches %}
+		<li><a href="/parts/sketch/{{sketch.id}}/">{{sketch.name}}</a></li>
+	{% endfor %}
+</ul>

partdoc/parts/templates/parts/products.html

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+<h1>Available products:</h1>
+<ul>
+	{% for product in product_list %}
+		<li><a href="/parts/product/{{product.id}}/">{{product.name}}</a></li>
+	{% endfor %}
+</ul>

partdoc/parts/templates/parts/sketch.html

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+<h1>{{sketch.name}}</h1>
+<h2>{% for brand in sketch.get_brand %}{{brand.name}},{% endfor%} - {% for product in sketch.get_product %}{{product.name}},{% endfor%}</h2>
+<ul>
+	{% for usage in sketch.usage_set.all %}
+		<li><a href="/parts/usage/{{usage.id}}/">{{usage}}</a></li>
+	{% endfor %}
+</ul>
+<p>{{sketch.get_brand}}</p>
+<p>{{sketch.get_brand.name.foo}}</p>

partdoc/parts/tests.py

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

partdoc/parts/urls.py

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+from django.conf.urls import url
+
+from . import views
+
+urlpatterns = [
+	url(r'^$', views.index, name="index"),
+	url(r'^product/(?P<product_id>[0-9]+)/$', views.product, name="detail"),
+	url(r'^sketch/(?P<sketch_id>[0-9]+)/$', views.sketch, name="sketch"),
+]

partdoc/parts/views.py

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+from django.shortcuts import render
+
+from .models import *
+
+def index(request):
+	product_list = Product.objects.all()
+	context = {'product_list': product_list}
+	return render(request, 'parts/products.html', context)
+
+def product(request, product_id):
+	product = Product.objects.get(id=product_id)
+	sketches = Sketch.objects.filter(usage__productusage__product=product)
+	context = {'product': product, 'sketches': sketches}
+	return render(request, 'parts/product.html', context)
+
+def sketch(request, sketch_id):
+	sketch = Sketch.objects.get(id=sketch_id)
+	context = {'sketch': sketch}
+	return render(request, 'parts/sketch.html', context)

requirements.txt

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+django
+psycopg2
+django-extensions