mekza

from wtforms import SelectField
import pycountry

class CountrySelectField(SelectField):
    def __init__(self, *args, **kwargs):
        super(CountrySelectField, self).__init__(*args, **kwargs)
        self.choices = [(country.alpha_2, country.name) for country in pycountry.countries]

andredublin

#Testing

• Isolate the object under test, don’t test multiple objects under one test case, this creates unneeded code and technical debt.
• Unit test behavior, not methods. We need to know how to use the class to achieve a goal, not how to exercise all the paths through its code.
• Don't test active record, it isn't a special behavior that the system is performing.
• You don't need 100% test coverage all the time.
• Don’t test query messages ( messages that do not modify another object ).
• Do test command messages ( messages that do modify another object ).
• Test the public interface of an object, private methods are always changing and add technical debt to the test and code.
• Mock objects that are outside of the current object test scope (roles, interfaces, other objects)

marktheunissen

This playbook has been removed as it is now very outdated.

hrldcpr

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

treyhunner

# This code is under the MIT license.
# Inspired by this StackOverflow question:
http://stackoverflow.com/questions/3295405/creating-django-objects-with-a-random-primary-key

import struct
from Crypto.Cipher import DES
from django.db import models


def base36encode(number):

devver

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