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# python_example.py
# Steve Ivy <steveivy@gmail.com>
# http://monkinetic.com
# this file expects local_settings.py to be in the same dir, with statsd host and port information:
#
# statsd_host = 'localhost'
# statsd_port = 8125
# Sends statistics to the stats daemon over UDP
class Statsd(object):
@staticmethod
def timing(stats, time, sample_rate=1):
"""
Log timing information
>>> from python_example import Statsd
>>> Statsd.timing('some.time','500|ms')
"""
Statsd.update_stats(stats, time, sample_rate)
@staticmethod
def increment(stats, sample_rate=1):
"""
Increments one or more stats counters
>>> Statsd.increment('some.int')
>>> Statsd.increment('some.int',0.5)
"""
Statsd.update_stats(stats, 1, sample_rate)
@staticmethod
def decrement(stats, sample_rate=1):
"""
Decrements one or more stats counters
>>> Statsd.decrement('some.int')
"""
Statsd.update_stats(stats, -1, sample_rate)
@staticmethod
def update_stats(stats, delta=1, sampleRate=1):
"""
Updates one or more stats counters by arbitrary amounts
>>> Statsd.update_stats('some.int',10)
"""
if (type(stats) is not list):
stats = [stats]
data = {}
for stat in stats:
data[stat] = "%s|c" % delta
Statsd.send(data, sampleRate)
@staticmethod
def send(data, sample_rate=1):
"""
Squirt the metrics over UDP
"""
try:
import local_settings as settings
host = settings.statsd_host
port = settings.statsd_port
addr=(host, port)
except Error:
exit(1)
sampled_data = {}
if(sample_rate < 1):
import random
if random.random() <= sample_rate:
for stat in data.keys():
value = data[stat]
sampled_data[stat] = "%s|@%s" %(value, sample_rate)
else:
sampled_data=data
from socket import *
udp_sock = socket(AF_INET, SOCK_DGRAM)
try:
for stat in sampled_data.keys():
value = data[stat]
send_data = "%s:%s" % (stat, value)
udp_sock.sendto(send_data, addr)
except:
import sys
from pprint import pprint
print "Unexpected error:", pprint(sys.exc_info())
pass # we don't care
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