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20.2.1
Append Info Script Formatting Example
Here is the transmission data with a standard SHEF format, without scripts:
:AT 0 #1 29.50 29.50 :RH 0 #1 65.00 65.00 :DP 0 #1 26.77 26.77
The goal of the script is to append “Little Creek A21938” to that transmission format. The code is very
simple:
@TXFORMAT
def append_info(standard):
"""appends information to tx"""
return st " Little Creek A21938"
Once the transmission is setup to use the script above (by enabling
Custom Script Format
and setting
Format Function
to
append_info,
the transmission data would become
:AT 0 #1 29.50 29.50 :RH 0 #1 65.00 65.00 :DP 0 #1 26.77 26.77 Little Creek
A21938
20.2.2
Rules for Transmission Formatting Scripts
These rules must be followed when writing a script that will be used for transmission formatting:
The @TXFORMAT decorator must be on the line preceding the Python function. The decorator is
case sensitive.
The function takes in one parameter: it is a string which the result of a standard tx format (e.g.,
SHEF).
The function returns one parameter: a string containing the new transmission data.
The function may call into any other functions in the script file. Those other functions do not
need to have the @TXFORMAT decorator.
20.3
Script Tasks
Script tasks are a bit like measurements and telemetry. Each script task has its own independent setup,
and each script task runs on its own schedule.
Every script task is associated with its own Python function. When the script task runs, it executes the
function.
Script tasks can be setup to run on a schedule or to trigger when a certain event happens. Please see the
Trigger
setting below.
20.3.1
Script Task Setup
Active
Just like the measurement field, this one indicates whether the script task will ever run.
Label
This is a customer given name to the script task for easy identification.
Script Function
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