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Created May 10, 2012 07:05
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Arris TM702G counter polling script
#!/usr/bin/env python
# Script to poll DOCSIS downstream channel counters
# on Arris TM702G cable modems and similar
# licensed under creative commons CC0 (public domain)
import functools
import operator
import time
import requests
import BeautifulSoup
def fetch():
url = ''
body = requests.get(url).content
bs = BeautifulSoup.BeautifulSoup(body)
downstream_table = bs.findAll('table')[1].findAll('tr')[1:]
octet_counts = []
for tr in downstream_table:
return octet_counts
def unit_convert(time_delta, byte_delta):
# Convert bytes/sec -> kbit/sec
return (byte_delta * 8.0) / (time_delta * 1000.0)
counts = fetch()
timestamp = time.time()
with file('output.txt', 'a') as f:
while True:
new_counts = fetch()
new_timestamp = time.time()
time_delta = new_timestamp - timestamp
byte_delta = map(lambda (a, b): a - b, zip(new_counts, counts))
convert = functools.partial(unit_convert, time_delta)
individual_delta = map(convert, byte_delta)
total_delta = sum(individual_delta)
line = [str(new_timestamp), '%0.2f' % time_delta]
for i in xrange(len(individual_delta)):
#line.append('DS %d: %7.1f kBit/sec' % (i + 1, bps_delta[i]))
line.append('%0.1f' % individual_delta[i])
line.append('%0.1f' % total_delta)
print ','.join(line)
counts = new_counts
timestamp = new_timestamp
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