94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
import time
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import numpy as np
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import pandas as pd
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from influx import InfluxDBWrapper, NamedTuple
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NAN = float('nan')
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token = "zqDbTcMv9UizfdTj15Fx_6vBetkM5mXN56EE9CiDaFsh7O2FFWZ2X4VwAAmdyqZr3HbpIr5ixRju07-oQmxpXw=="
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db = InfluxDBWrapper('http://pc16392:8086', token, 'linse', 'curve-test')
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print('read(dev, [param], [start], [end], [interval])')
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def read(dev=None, param='value_float', start=None, end=None, interval=None, offset=None, **tags):
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now = time.time()
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if start is None:
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start = now - 1800
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elif start < 0:
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start += now
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measurement = dev
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# measurement = f'nicos/{dev}' if dev else None
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print('QUERY', measurement, param, start, end, interval)
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tables = db.query(measurement, param, start, end, interval, **tags)
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sec = time.time()-now
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print(f'query took {sec:.3f} seconds')
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now = time.time()
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result = {}
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if offset is None:
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offset = start
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elif offset == 'now':
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offset = now
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for table in tables:
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for rec in table.records:
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# value = None if rec['expired'] == 'True' else rec['_value']
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value = rec['_value']
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ts = rec['_time'].timestamp()
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key = f"{rec['_measurement']}:{rec['_field']}"
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# print(rec['expired'])
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result.setdefault(key, []).append(((rec['_time'].timestamp() - offset), value))
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sec = time.time()-now
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print(f'rearrange took {sec:.3f} seconds')
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pts = sum(len(v) for v in result.values())
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print(pts, 'points', round(pts / sec / 1000), 'points/ms')
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for curve, data in result.items():
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result[curve] = sorted(data)
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return result
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def summ(result):
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for meas, curves in result.items():
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print(meas)
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for field, curve in curves.items():
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timerange = '..'.join([time.strftime('%m-%d %H:%M:%S', time.localtime(curve[i][0])) for i in [0,-1]])
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print(' ', timerange, len(curve[:,0]), field)
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def getlast(*args, **kwds):
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for meas, params in db.getLast(*args, **kwds).items():
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print('---', meas)
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for key, (value, error) in params.items():
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if key[0].startswith('?'):
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continue
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if error:
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print(key, 'ERROR', error)
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else:
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print(key, value)
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def curves(*args, offset=0, **kwds):
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result = db.curves(*args, **kwds)
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for key, curve in result.items():
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print('---', key)
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for row in curve:
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print(round(row[0]-offset, db.timedig), row[1:])
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start = time.mktime((2024, 5, 30, 0, 0, 0, 0, 0, -1))
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end = time.mktime((2024, 6, 19, 0, 0, 0, 0, 0, -1))
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DAY = 24 * 3600
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now = time.time()
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def prt(key, *args, offset=0, scale=1, **kwds):
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for key, curve in db.getCurve(key, *args, **kwds).items():
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print('---', key)
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for t, v in curve:
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print(t, v)
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def test():
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pass
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