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Postgres Notes

Controlling Postgres

Start Postgres

$ pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start

Stop Postgres

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Django Debugging Packages

docutils
ipython
ipdb
django-debug-toolbar

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From 312aada9b74320de3599b6f19e6350e3538cde72 Mon Sep 17 00:00:00 2001
From: Brent O'Connor <[email protected]>
Date: Mon, 25 Jul 2011 15:32:24 -0700
Subject: [PATCH] Added a way to change the source so that bounce messages are
 sent to the return_path of the message if the return_path
 is set.

---
 django_ses/__init__.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

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User File Settings

{
    "draw_indent_guides": false,
    "fold_buttons": true,
    "font_face": "Meslo LG S",
    "font_size": 13,
    "highlight_line": true,
    "ignored_packages": [],

"open_files_in_new_window": false,

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Django-celery + Redis notes

Installation and Setup

1. Install redis on OSX (10.7) Lion I used:

    $ brew install redis
   

2. In the project and virtualenv I wanted to use django-celery in I installed the following.

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#!/usr/bin/env python


import time
import urllib
import urllib2
import cookielib

start_time = time.time()
COOKIEFILE = 'cookiejar.txt'

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I have a script that I've written that creates about 19,000 tasks. Each task grabs the content from a unique URL using python's urllib2 and then parses page HTML it using BeautifulSoup. I've tested the script on my MacBookPro, which runs fine. Now I'm trying to get the script to run on a production server which is running OSX 10.5.8 server. On the production server when I run, django-admin.py celeryd --loglevel=INFO -n example.com I can watch it process the tasks, however it will process tasks for about 10 seconds and then stop for about 5 minutes and then process tasks again for 10 seconds, pause for 5 minutes, and repeat until it's processed all the tasks or I kill the celeryd process.

Here is the example output... First it processes tasks for ~10 seconds:

[2011-09-01 10:08:16,750: INFO/MainProcess] Got task from broker: example.tasks.example_task[273d16fe-b123-4238-9166-63069d921a0d]
...
[2011-09-01 10:08:27,713: INFO/MainProcess] Task example.tasks.example_task[8db8e29c-7657-4c4f-aa8d-1

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Convert SVN Repositories to Git Repositories

This guide on how to convert an SVN repository to a git repository was mostly taken from John Albin Wilkins post on Converting a Subversion repository to Git.

1. Retrieve a list of all Subversion committers

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#!/usr/bin/env bash

# Helpful Aliases
alias ex="exit"
alias e="subl"
alias c="clear"
alias ls="ls -lh"
alias la="ls -lah"
alias pwd="pwd -LP"

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from fabric.api import cd, run, env, local
from fabric.colors import green
from django.conf import settings

env.hosts = ['foo.example.com']
env.code_dir = '/var/www/project'
env.virtualenv = '/usr/local/virtualenvs/project'
env.django_project_root = settings.DJANGO_PROJECT_ROOT
env.django_settings_module = 'config.settings'