cstrap

from django.contrib.admin.models import LogEntry, CHANGE, ContentType
from reversion.revisions import default_revision_manager as revision_manager

from app.models import MyModel

revision_manager.register(MyModel)

LogUser, created = User.objects.get_or_create(username='LogUser')
if created:
    ApplicationUser.first_name = 'Log'

cstrap

class MyForm(forms.Form):
    # ...
    def clean(self):
        def set_field_error(field, message):
            if field in self._errors:
                self._errors[field].append(message)
            else:
                self._errors[field] = self.error_class([message])
            if field in cleaned_data.keys():
                del cleaned_data[field]

cstrap

class MyForm(forms.Form): 
    some_field = forms.CharField() 

class MyWizard(SessionWizardView): 
    # ...do some stuff... 

# And a url like: 

url(r'^wizard/$', views.MyWizard.as_view([MyForm, MyOtherForm])) 

cstrap

# -*- coding: utf-8 -*-
from functools import wraps


def memoize(obj):
    """
    From Python Decorator Library
    """
    cache = obj.cache = {}

cstrap

"""
Script to identify accounts followed older than 4 months.

Source blogpost: http://www.rainbowbreeze.it/identify-your-twitter-followings-older-that-4-months
"""

import tweetpony
from datetime import timedelta, datetime
import urllib3.contrib.pyopenssl
import time

cstrap

# -*- coding: utf-8 -*-
from __future__ import absolute_import

from django.conf import settings

from haystack.backends.elasticsearch_backend import (
    ElasticsearchSearchBackend, ElasticsearchSearchEngine, ElasticsearchSearchQuery)
from haystack.query import SearchQuerySet

cstrap

import __builtin__
original_import = __builtin__.__import__
def log_import(name, globals={}, locals={}, fromlist=[], level=-1):
    print name
    return original_import(name, globals=globals, locals=locals, fromlist=fromlist, level=level)
__builtin__.__import__ = log_import

cstrap

import haystack

from django.core.management import call_command
from django.test.utils import override_settings


TEST_INDEX = {
    'default': {
        'ENGINE': 'haystack.backends.elasticsearch_backend.ElasticsearchSearchEngine',
        'URL': 'http://127.0.0.1:9200/',

cstrap

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

cstrap

# -*- coding: utf-8 -*-
"""
Search features for an elasticsearch / haystack / elasticstack

:creationdate: 05/11/15 15:05
:moduleauthor: François GUÉRIN <[email protected]>
:modulename: intrautils.search

"""
import base64