Skip to content

Instantly share code, notes, and snippets.

@marshluca
marshluca / nginx.sh
Created August 15, 2010 10:23
/etc/init.d/nginx
# /etc/init.d/nginx
#! /bin/sh
### BEGIN INIT INFO
# Provides: nginx
# Required-Start: $all
# Required-Stop: $all
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
@von
von / p-with-fixed-help.py
Created April 30, 2011 01:57
Demonstrate parse_known_args() with fixed help
#!/usr/bin/env python
import argparse
import ConfigParser
conf_parser = argparse.ArgumentParser(
# Turn off help, so we print all options in response to -h
add_help=False
)
conf_parser.add_argument("-c", "--conf_file",
help="Specify config file", metavar="FILE")
@binux
binux / pool.py
Created May 26, 2011 06:39
使用threading+queue的线程池封装,使用对象在每个对象中保存独立的连接,可以安全地使用ctrl-c打断
# !/usr/bin/env python
# -*- coding:utf-8 -*-
import sys
import time
import Queue
import threading
import traceback
class ExitException(Exception):
#!/usr/bin/env python
import sys, os, time, atexit
from signal import SIGTERM
class Daemon:
"""
A generic daemon class.
Usage: subclass the Daemon class and override the run() method
@sharoonthomas
sharoonthomas / cached_property.py
Created January 25, 2012 01:02
Python cached property implementation
class cached_property(object):
"""A decorator that converts a function into a lazy property. The
function wrapped is called the first time to retrieve the result
and then that calculated result is used the next time you access
the value::
class Foo(object):
@cached_property
def foo(self):
@hrldcpr
hrldcpr / tree.md
Last active June 8, 2024 18:11
one-line tree in python

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!

@jaytaylor
jaytaylor / camel_case_to_snake_case.py
Created September 6, 2012 21:41
Convert camel-case to snake-case in python.
#!/usr/bin/env python
"""
Convert camel-case to snake-case in python.
e.g.: CamelCase -> snake_case
Relevant StackOverflow question: http://stackoverflow.com/a/1176023/293064
"""
@widoyo
widoyo / kas.py
Created October 16, 2012 07:42
Generating PDF using Flask & ReportLab
from flask import make_response
from reportlab.pdfgen import canvas
# ...
@app.route('/pdf')
def pdf():
import cStringIO
output = cStringIO.StringIO()
# setting up irq affinity according to /proc/interrupts
# 2008-11-25 Robert Olsson
# 2009-02-19 updated by Jesse Brandeburg
#
# > Dave Miller:
# (To get consistent naming in /proc/interrups)
# I would suggest that people use something like:
# char buf[IFNAMSIZ+6];
#
# sprintf(buf, "%s-%s-%d",
@techniq
techniq / audit_mixin.py
Created March 16, 2013 01:05
Useful SQLAlchemy Mixins
from datetime import datetime
from sqlalchemy import Column, Integer, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.ext.declarative import declared_attr
from flask_security import current_user
class AuditMixin(object):
created_at = Column(DateTime, default=datetime.now)
updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)