Mike pydong

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pydong / gevent_semaphore.py

Last active July 12, 2019 11:11

gevent semaphore example (from http://sdiehl.github.io/gevent-tutorial/)

	# from http://sdiehl.github.io/gevent-tutorial/

	from gevent import sleep
	from gevent.pool import Pool
	from gevent.coros import BoundedSemaphore

	sem = BoundedSemaphore(4) # only allows 4 greenlets at one time, others must wait until one is released

	def worker1(n):
	sem.acquire()

pydong / sync_vs_async_gevent.py

Last active January 1, 2016 05:58

Comparison between gevent synchronous calls and asynchronous calls 1) synchronous() # next task is blocked until current one is finished 2) asynchronous() #all start @ the same time

	# based on http://sdiehl.github.io/gevent-tutorial/
	import gevent
	import random

	start = time.time()
	tic = lambda: 'at %1.1f seconds' % (time.time() - start)

	def task(pid):
	"""
	Some non-deterministic task

pydong / inheritance_no_super.py

Created December 23, 2013 00:30

python inheritance without super

	class Person(object):
	def __init__(self,fname='', lname=''):
	self.fname = fname
	self.lname = lname
	def __repr__(self):
	return 'repr: '+ self.fname + ' ' + self.lname
	def __str__(self):
	return 'str: ' + self.fname + ' ' + self.lname

pydong / str_repr_super.py

Created December 23, 2013 00:08

	class Person(object):
	def __init__(self,fname='', lname=''):
	self.fname = fname
	self.lname = lname
	def __repr__(self):
	return 'repr: '+ self.fname + ' ' + self.lname
	def __str__(self):
	return 'str: ' + self.fname + ' ' + self.lname