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automatically log speedtest results to file with timestamp for logging.
#stolen and modified from the reddit post about the raspbeery pi tweeting at comcast
#run this every 10 minutes (or w/e) with cron:
#"crontab -e"
#*/10 * * * * /home/pi/
import os
import sys
import csv
import datetime
import time
def test():
#run speedtest-cli
print 'running test'
#install with "pip install speedtest-cli"
csvlog = '/home/pi/speed_data.csv'
a = os.popen("speedtest-cli --simple").read()
print 'ran'
#split the 3 line result (ping,down,up)
lines = a.split('\n')
print a
ts = time.time()
date =datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d %H:%M:%S')
#if speedtest could not connect set the speeds to 0
if "Cannot" in a:
p = 100
d = 0
u = 0
#extract the values for ping down and up values
p = lines[0][6:11]
d = lines[1][10:14]
u = lines[2][8:12]
print date,p, d, u
#save the data to file for local network plotting
out_file = open(csvlog, 'a')
writer = csv.writer(out_file)
if __name__ == '__main__':
print 'completed'
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