rfwtools.mya.get_pv_value

rfwtools.mya.get_pv_value(PV, datetime, deployment='ops')[source]

Method for performing a point-type myquery myaweb request. Returns the only the PV value.

Parameters:

  • PV (str) – The EPICS channel to look up

  • datetime (datetime) – A datetime object representing the point in time for which the query should be performed

  • deployment (str) – The name of a valid MYA deployment (defaults to ‘ops’, other useful ones are ‘hist’, and ‘dev’)

Returns:

The archived value of PV at datetime according to MYA deployment deployment

Return type:

str

Raises:

ValueError – If the myquery point service returns an HTTP error response.