On Saturday, 16 March 2019 11:11:10 UTC-3, Peter Hurn wrote:
>
> Unfortunately despite adding the integer to the line in cmon.py in my
> /use/share/weewx/user folder I am still getting the following error, any
> ideas?
>
...
> Feb 14 11:10:15 pi21 vpro[28175]: **** ValueError: accum:
>> ScalarStats.addHiLo expected float or int, got 3392911048
>>
>
Hii Peter,
The maximum positive value for an int in Python 2 is 2147483648 (2^31). The
value at the time of the crash is bigger (3392911048), so this value is
still a long integer.
Such big numbers should only occur if you have very heavy network traffic
and/or a long archive period.
A quick-and-dirty workaround might be to preset the value of x to maxint in
case it is bigger, like (not tested):
if k in self.last_net[iface]:
x = int(values[i]) - self.last_net[iface][k]
if x < 0:
maxcnt = 0x100000000 # 32-bit counter
if x + maxcnt < 0:
maxcnt = 0x10000000000000000 # 64-bit
counter
x += maxcnt
if x > 2147483648:
x = 2147483648
record['net_' + iface + '_' + k] = int(x)
self.last_net[iface][k] = int(values[i])
Luc
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