1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#!/usr/bin/env python
import sys
import time
import signal
import optparse
try:
import whisper
except ImportError:
raise SystemExit('[ERROR] Please make sure whisper is installed properly')
# update this callback to do the logic you want.
# a future version could use a config while in which this fn is defined.
def update_value(timestamp, value):
if value is None:
return value
return value * 1024 * 1024 * 1024
# Ignore SIGPIPE
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
now = int(time.time())
yesterday = now - (60 * 60 * 24)
option_parser = optparse.OptionParser(usage='''%prog [options] path''')
option_parser.add_option(
'--from', default=yesterday, type='int', dest='_from',
help=("Unix epoch time of the beginning of "
"your requested interval (default: 24 hours ago)"))
option_parser.add_option(
'--until', default=now, type='int',
help="Unix epoch time of the end of your requested interval (default: now)")
option_parser.add_option(
'--pretty', default=False, action='store_true',
help="Show human-readable timestamps instead of unix times")
(options, args) = option_parser.parse_args()
if len(args) < 1:
option_parser.print_usage()
sys.exit(1)
path = args[0]
from_time = int(options._from)
until_time = int(options.until)
try:
data = whisper.fetch(path, from_time, until_time)
if not data:
raise SystemExit('No data in selected timerange')
(timeInfo, values_old) = data
except whisper.WhisperException as exc:
raise SystemExit('[ERROR] %s' % str(exc))
(start, end, step) = timeInfo
t = start
for value_old in values_old:
value_str_old = str(value_old)
value_new = update_value(t, value_old)
value_str_new = str(value_new)
if options.pretty:
timestr = time.ctime(t)
else:
timestr = str(t)
print("%s\t%s -> %s" % (timestr, value_str_old, value_str_new))
try:
if value_new is not None:
whisper.update(path, value_new, t)
t += step
except whisper.WhisperException as exc:
raise SystemExit('[ERROR] %s' % str(exc))
|
