|
- from random import Random
-
- gmt7 = ('GMT+7', '-0700', lambda x: x - 7 * 60 * 60)
- gmt8 = ('GMT+8', '-0800', lambda x: x - 8 * 60 * 60)
-
- def maketz(utc, tzinfo):
- tza, tzb, fun = tzinfo
-
- lcl = fun(utc)
-
- return '\t'.join(('z', tza, str(lcl), str(utc), tzb))
-
- def makem(utc, tzinfo):
- reqdel = random.uniform(.5, 2.5)
- demand = random.uniform(.1, .5)
-
- return '\t'.join(('m', str(utc + reqdel), str(tzinfo[2](utc)), 'Connected', '%0.4f' % demand, '1.483000', 'kW', '1.000', '1.000', 'kWh'))
-
- def gen(start, step, cnt, tzinfoseq):
- '''Generate data starting from start, ending at stop.
-
- Each entry is step seconds advanced.
-
- There will be cnt entries between tzinfo, and cnt entries
- following the final tzinfo.'''
-
- utc = start
-
- ret = []
- num = 1
- prevtz = None
- for tz in tzinfoseq:
- if prevtz is None:
- prevtz = tz
-
- for j in xrange(num):
- ret.append(makem(utc, prevtz))
- utc += step
-
- if prevtz != tz and j > num / 2:
- prevtz = tz
-
- ret.append(maketz(utc - 1, tz))
- num = cnt
-
- for j in xrange(num):
- ret.append(makem(utc, tz))
- utc += step
-
- return utc, ret
-
- if __name__ == '__main__':
- global random
-
- random = Random()
- random.seed(5)
-
- tzs = [ gmt7 ] * 6 + [ gmt8 ] * 3
- nextutc, data = gen(1577952662, 10, 10, tzs)
- print >>open('data.0.log', 'w'), '\n'.join(data)
-
- # simulate a restart
- nextutc += 100
- tzs = [ gmt8 ] * 6 + [ gmt7 ] * 3
- nextutc, data = gen(nextutc, 10, 10, tzs)
- print >>open('data.1.log', 'w'), '\n'.join(data)
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