All articles tagged pro tip

Upstart is a ridiculously easy way to turn your scripts into daemons. Take this python script: /home/myuser/ez_daemon.py: import time while 1: print("I'm a daemon!") time.sleep(1) We’re going to turn it into a daemon with <strong>a single line</strong>: /etc/init/ez_daemon.conf: exec python …

First off, realtime websites are hard. The current toolset is rudimentary. When I first started building Ginger, I thought I must be doing it wrong because of all the trial-and-error and pieces I was building from scratch. After watching Geoff …

The recommended way to add decorators such as login_required to class based views in Django is a bit verbose. Here’s a little metaclass-producing function you may find handy: def DecoratedDispatchMethod(actual_decorator): """ If you want to decorate the Class-based View with, …

Without patching, the rsync utility lacks support to detect when a file was renamed/moved across multiple directories inside the synced tree. There is a ––fuzzy option to save bandwidth by building upon similar files on the target side, but only …

Coverage.py makes it easy to see how much of your code is covered by your test suite. It can be configured to spit out reports in XML (for consumption by a continuous integration server like Jenkins), in HTML (for human …

We love pip and Fabric for Django deployment. You can see our boilerplate fabfile.py here. Pip, however, isn’t safe to run in an automated fashion. If you attempt to switch branches or repos for one of your editable requirements, you’ll …

I really like supervisord for long-running process management. It is Python, so it is easy to install and it is easy to script with tools like Fabric. Lately I’ve been deploying smaller Django/WSGI sites with Green Unicorn behind Nginx proxied …

Here’s one I struggled with a bit while upgrading lincolnloop.com yesterday. Scenario: You need to take your site offline and want to redirect all its traffic to a “down for maintenance” page. For search engine friendliness, that page should return …