What is the simplest way to write to the snapshot table in python, without providing the timestamp.

Discussion created by ambassallo on Oct 22, 2013
Latest reply on Apr 16, 2015 by dng

 Here is my python  code which errors out on the last line

import win32com.client
pi_sdk = win32com.client.Dispatch('PISDK.PISDK')
conn = win32com.client.Dispatch('PISDKDlg.Connections')
pi_server = pi_sdk.Servers('PIservername') # server host name, must be configured in the "known servers table"
pi_point = pi_server.PIPoints['testalarmpoint']
nm = win32com.client.Dispatch('PISDKCommon.NamedValues')
Vals = win32com.client.Dispatch('PISDK.PIValues')
pival = win32com.client.Dispatch('PISDK.PIValue')
pierrror = win32com.client.Dispatch('PISDKCommon.PIErrors')
Vals.ReadOnly = False
pival = Vals.Add('*',100,nm)
Vals.ReadOnly = True
pierror = pi_point.Data.UpdateValues(Vals)

 This is the error that I am getting


>>> pierror = pi_point.Data.UpdateValues(Vals)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<COMObject <unknown>>", line 3, in UpdateValues
TypeError: The Python instance can not be converted to a COM object