petri

Packages

• lxml - Pythonic binding for the C libraries libxml2 and libxslt.
• boto - Python interface to Amazon Web Services
• Django - Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
• Fabric - Library and command-line tool for streamlining the use of SSH for application deployment or systems administration task.
• PyMongo - Tools for working with MongoDB, and is the recommended way to work with MongoDB from Python.
• Celery - Task queue to distribute work across threads or machines.
• pytz - pytz brings the Olson tz database into Python. This library allows accurate and cross platform timezone calculations using Python 2.4 or higher.

Guides

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Libraries

• 960 Grid System - An effort to streamline web development workflow by providing commonly used dimensions, based on a width of 960 pixels. There are two variants: 12 and 16 columns, which can be used separately or in tandem.
• Compass - Open source CSS Authoring Framework.
• Bootstrap - Sleek, intuitive, and powerful mobile first front-end framework for faster and easier web development.
• Font Awesome - The iconic font designed for Bootstrap.
• Zurb Foundation - Framework for writing responsive web sites.
• SASS - CSS extension language which allows variables, mixins and rules nesting.
• Skeleton - Boilerplate for responsive, mobile-friendly development.

Guides

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Libraries

• jQuery - The de-facto library for the modern age. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers.
• Backbone - Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface.
• AngularJS - Conventions based MVC framework for HTML5 apps.
• Underscore - Underscore is a utility-belt library for JavaScript that provides a lot of the functional programming support that you would expect in Prototype.js (or Ruby), but without extending any of the built-in JavaScript objects.
• lawnchair - Key/value store adapter for indexdb, localStorage

petri

<registry>

    <record name="some.record.identifier">
        <field type="plone.registry.field.Choice">
            <title>TheTitle</title>
            <description>TheDescription</description>
            <value_type type="plone.registry.field.TextLine" />
            <values purge="true">
               <element>choice 1</element>
               <element>choice 2</element>

petri

<browser:page
  for="zope.publisher.interfaces.INotFound"
  class=".view.SomeView"
  name="index.html"
  permission="zope.Public" />

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<?xml version="1.0"?>

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<!-- convert dates to yyyy/mm/dd -->
<xsl:template match="DTPOSTED">
  <xsl:variable name="yr" select="substring(current(),1,4)"/>
  <xsl:variable name="mo" select="substring(current(),5,2)"/>
  <xsl:variable name="dt" select="substring(current(),7,2)"/>

petri

Client-side SSL

For excessively paranoid client authentication.

Using self-signed certificate.

Create a Certificate Authority root (which represents this server)

Organization & Common Name: Some human identifier for this server CA.

openssl genrsa -des3 -out ca.key 4096
openssl req -new -x509 -days 365 -key ca.key -out ca.crt

petri

# Create the Root CA private key
## ref> https://www.openssl.org/docs/manmaster/apps/genrsa.html
openssl genrsa -out myRootCA.key 4096

# Generate the Root CA certificate signed with the private key
## ref> https://www.openssl.org/docs/manmaster/apps/req.html
openssl req -x509 -new -nodes -key myRootCA.key -days 3650 -out myRootCA.pem

  # Country Name (2 letter code) [AU]:AU
  # State or Province Name (full name) [Some-State]:NSW

petri

import yaml
import os.path

class LoaderMeta(type):

    def __new__(metacls, __name__, __bases__, __dict__):
        """Add include constructer to class."""

        # register the include constructor on the class
        cls = super().__new__(metacls, __name__, __bases__, __dict__)

petri

# list of databases to back up (all of them except information_schema, see below)
declare -a databases=("mydatabase" "mysql" "performance_schema")

# current day of week as a number from 1 to 7 starting monday
# for week of year use %V (for ISO weeks from 1 to 53)
day_num=$(date +%u)
echo backing up for day "$day_num"

# where the backups are written
cd /var/backups/mysql/daily