The following instructions describe a set of processes allowing you to run Django database migrations against a production database without having to bring the web service down.
Note that in the below instructions, migrations are all run manually at explicit points, and are not an automatic part of the deployment process.
| /* | |
| Used like this... | |
| detectIE('class-to-add-to-html-tag') | |
| */ | |
| function detectIE (classToAdd) { | |
| 'use strict' |
| from django.conf import settings | |
| from django.core.files.storage import Storage | |
| from django.utils import importlib | |
| def load_class(class_string): | |
| class_module, class_name = class_string.rsplit('.', 1) | |
| class_module = importlib.import_module(class_module) | |
| return getattr(class_module, class_name) |
| virtualenv --no-site-packages . | |
| source bin/activate | |
| bin/pip install Django psycopg2 django-sentry | |
| bin/pip freeze > requirements.txt | |
| bin/django-admin.py startproject mysite | |
| cat >.gitignore <<EOF | |
| bin/ | |
| include/ | |
| lib/ | |
| EOF |
| def preBuildPage(site, page, context, data): | |
| """ | |
| Cactus plugin to provide current page and directory path list to template. | |
| Examples: | |
| Request: /sports/team/foo.html | |
| CURRENT_PAGE: foo.html |
| # -*- coding: utf-8 -*- | |
| import os | |
| from flask import Flask | |
| from flask_heroku import Heroku | |
| from flask_sslify import SSLify | |
| from raven.contrib.flask import Sentry | |
| from flask.ext.celery import Celery |
| # "Our Custom Mixins" | |
| # http://brack3t.com/our-custom-mixins.html | |
| class LoginRequiredMixin(object): | |
| """ | |
| View mixin which verifies that the user has authenticated. | |
| NOTE: | |
| This should be the left-most mixin of a view. |
| from django import template | |
| from django.template.loaders.app_directories import load_template_source | |
| register = template.Library() | |
| def do_include_raw(parser, token): | |
| """ | |
| Performs a template include without parsing the context, just dumps the template in. | |
| """ | |
| bits = token.split_contents() |
| // Provides a device_scale class on iOS devices for scaling user | |
| // interface elements relative to the current zoom factor. | |
| // | |
| // http://37signals.com/svn/posts/2407-device-scale-user-interface-elements-in-ios-mobile-safari | |
| // Copyright (c) 2010 37signals. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal | |
| // in the Software without restriction, including without limitation the rights | |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |