Richard Mitchell mitchellrj

Cloud stuff, home automation stuff, devops stuff, security stuff.

mitchellrj / fix_plone_4_template_vars.py

Created July 18, 2011 15:13

A quick script to make your Plone 3 templates suitable for use in Plone 4 by inserting definitions of globals where required.See http://plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0/no-more-global-definitions-in-templates.

	#! /usr/bin/env python
	#
	# Copyright 2011 Richard Mitchell
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#

mitchellrj / constrained_insert.py

Created July 26, 2011 16:41

Constrained list insertion in Python.

	def constrained_insert(list_, item, before=None, after=None, strict=True):
	""" Given a list and an item to be inserted into that list, attempts
	to insert the item into the list in such a way that it is before
	any items listed in the 'before' argument and after any of those
	listed in the 'after' argument. If this is not possible, raises
	a RuntimeError.

	If any of the values in before or after do not appear in the
	list, ValueError will be raised, unless 'strict' is set to
	False.

mitchellrj / update_wordpress.sh

Created August 10, 2011 00:10

Automated Wordpress updates from the command line

	#!/bin/bash
	wp_dir=$1
	backup_dir=$2
	latest_version=`echo -e "HEAD /latest.tar.gz HTTP/1.1\nHost: wordpress.org\n\n" \| \
	nc -i 1 wordpress.org 80 \| \
	grep 'Content-Disposition:' \| \
	sed 's:.filename=[A-Za-z-]$[0-9\.]$\.tar\.gz.:\1:'`
	current_version=`grep '$wp_version = ' ${wp_dir}/wp-includes/version.php \| \
	sed "s:.['\"]$[0-9\.]$['\"].*:\1:"`

mitchellrj / workflow_tools.py

Created August 17, 2011 15:00

Set workflow state or retrieve a list of transitions required to get from one state to another

	#@memoize
	def get_wf_transitions_for(workflow, from_state, to_state):
	exit_state_maps = {}
	for state in workflow.states.objectValues():
	for t in state.getTransitions():
	exit_state_maps.setdefault(t, [])
	exit_state_maps[t].append(state.getId())

	transition_maps = {}
	for transition in workflow.transitions.objectValues():

mitchellrj / difftools.py

Created August 25, 2011 10:04

Dictionary & list difference. Two-way and three-way.

	from copy import deepcopy


	def two_way_list_diff(left, right):
	""" Compares two lists, returns a tuple of two lists detailing
	which items have been added to the second list and removed
	from the first list.

	Example
	-------

mitchellrj / wrap.py

Created September 26, 2011 14:15

Wrap text in Python

mitchellrj / flatten.py

Created October 12, 2011 14:44

Flatten in Python

	def flatten(iterable):
	if not isinstance(iterable, (list, tuple)):
	yield iterable
	else:
	for i in iterable:
	if isinstance(i, (list, tuple)):
	for j in flatten(i):
	yield j
	else:
	yield i

mitchellrj / tree.html

Created October 28, 2011 00:09

HTML & CSS vertical tree layout

mitchellrj / debug_login.py

Created November 15, 2011 14:59

Plone debug mode login

	from AccessControl.SecurityManagement import newSecurityManager
	from Testing.makerequest import makerequest
	from zope.component.hooks import setSite

	def get_manager(app):
	for uid in app.acl_users.users.listUserIds():
	user = app.acl_users.users.getUser(uid)
	if 'Manager' in user.getRoles():
	return user

mitchellrj / configure.zcml

Created November 25, 2011 14:58

z3c.form data manager for persistent dictionaries

	<configure
	xmlns="http://namespaces.zope.org/zope">

	<adapter
	factory=".datamanager.PersistentDictionaryField" />

	</configure>

	#!/bin/bash
	wp_dir=$1
	backup_dir=$2
	latest_version=`echo -e "HEAD /latest.tar.gz HTTP/1.1\nHost: wordpress.org\n\n" \| \
	nc -i 1 wordpress.org 80 \| \
	grep 'Content-Disposition:' \| \
	sed 's:.filename=[A-Za-z-]\([0-9\.]\)\.tar\.gz.:\1:'`
	current_version=`grep '$wp_version = ' ${wp_dir}/wp-includes/version.php \| \
	sed "s:.['\"]\([0-9\.]\)['\"].*:\1:"`