Initial commit

t.py

@@ -0,0 +1,93 @@
+import time
+import numpy as np
+import pandas as pd
+from influx import InfluxDBWrapper, NamedTuple
+
+NAN = float('nan')
+
+token = "zqDbTcMv9UizfdTj15Fx_6vBetkM5mXN56EE9CiDaFsh7O2FFWZ2X4VwAAmdyqZr3HbpIr5ixRju07-oQmxpXw=="
+
+db = InfluxDBWrapper('http://pc16392:8086', token, 'linse', 'curve-test')
+
+print('read(dev, [param], [start], [end], [interval])')
+
+
+def read(dev=None, param='value_float', start=None, end=None, interval=None, offset=None, **tags):
+    now = time.time()
+    if start is None:
+        start = now - 1800
+    elif start < 0:
+        start += now
+    measurement = dev
+    # measurement = f'nicos/{dev}' if dev else None
+    print('QUERY', measurement, param, start, end, interval)
+    tables = db.query(measurement, param, start, end, interval, **tags)
+    sec = time.time()-now
+    print(f'query took {sec:.3f} seconds')
+    now = time.time()
+    result = {}
+    if offset is None:
+        offset = start
+    elif offset == 'now':
+        offset = now
+    for table in tables:
+        for rec in table.records:
+            # value = None if rec['expired'] == 'True' else rec['_value']
+            value = rec['_value']
+            ts = rec['_time'].timestamp()
+            key = f"{rec['_measurement']}:{rec['_field']}"
+            # print(rec['expired'])
+            result.setdefault(key, []).append(((rec['_time'].timestamp() - offset), value))
+    sec = time.time()-now
+    print(f'rearrange took {sec:.3f} seconds')
+    pts = sum(len(v) for v in result.values())
+    print(pts, 'points', round(pts / sec / 1000), 'points/ms')
+    for curve, data in result.items():
+        result[curve] = sorted(data)
+    return result
+
+
+def summ(result):
+    for meas, curves in result.items():
+        print(meas)
+        for field, curve in curves.items():
+            timerange = '..'.join([time.strftime('%m-%d %H:%M:%S', time.localtime(curve[i][0])) for i in [0,-1]])
+            print('  ', timerange, len(curve[:,0]), field)
+
+
+def getlast(*args, **kwds):
+    for meas, params in db.getLast(*args, **kwds).items():
+        print('---', meas)
+        for key, (value, error) in params.items():
+            if key[0].startswith('?'):
+                continue
+            if error:
+                print(key, 'ERROR', error)
+            else:
+                print(key, value)
+
+
+def curves(*args, offset=0, **kwds):
+    result = db.curves(*args, **kwds)
+    for key, curve in result.items():
+        print('---', key)
+        for row in curve:
+            print(round(row[0]-offset, db.timedig), row[1:])
+
+
+start = time.mktime((2024, 5, 30, 0, 0, 0, 0, 0, -1))
+end = time.mktime((2024, 6, 19, 0, 0, 0, 0, 0, -1))
+DAY = 24 * 3600
+now = time.time()
+
+
+def prt(key, *args, offset=0, scale=1, **kwds):
+    for key, curve in db.getCurve(key, *args, **kwds).items():
+        print('---', key)
+        for t, v in curve:
+            print(t, v)
+
+
+def test():
+    pass
+