pysidetap 0.0.10

Description:

pysidetap 0.0.10

Python Simple decision table procesor







Install
pysidetap is available on PyPI pypi-pysidetap and you can install it using pip:
`sh pip install pysidetap `


Summary
Simple Decision Table Processor
https://en.wikipedia.org/wiki/Decision_table

This function find and return field ‘return’ from Decision Table,
when all operands in row by ‘fields’ are True.




Example:
This example show use case off Traffic lights decisions.
https://en.wikipedia.org/wiki/Traffic_light#Meanings_of_signals
Decision Table:


red
yellow
green
return



==on
==off
==off
stop

==on
==on
==off
ready

==off
==off
==on
go

==off
==on
==off
break

==off
==off
==off
off



from pysidetap.processor import DTProcessor

DTableTL = [
{
'fields': {
'red': {'op':'==', 'value':'on'},
'yellow': {'op':'==', 'value':'off'},
'green': {'op':'==', 'value':'off'},
},
# Traffic may not proceed beyond the stop line or
# otherwise enter the intersection
'return': {'stop'}
},
{
'fields': {
'red': {'op':'==', 'value':'on'},
'yellow': {'op':'==', 'value':'on'},
'green': {'op':'==', 'value':'off'},
},
# The signal is about to change, but the red light rules do apply
'return': {'ready'}
},
{
'fields': {
'red': {'op':'==', 'value':'off'},
'yellow': {'op':'==', 'value':'off'},
'green': {'op':'==', 'value':'on'},
},
# Traffic may not pass the stop line or enter the intersection
# unless it cannot safely stop when the light shows
'return': {'go'}
},
{
'fields': {
'red': {'op':'==', 'value':'off'},
'yellow': {'op':'==', 'value':'on'},
'green': {'op':'==', 'value':'off'},
},
# Traffic may proceed unless it would not clear the intersection
# before the next change of phase
'return': {'break'}
},
{
'fields': {
'red': {'op':'==', 'value':'off'},
'yellow': {'op':'==', 'value':'off'},
'green': {'op':'==', 'value':'off'},
},
# Traffic lights is off
'return': {'off'}
},
]

p = DTProcessor(DTableTL)
for red in ['on','off']:
for yellow in ['on','off']:
for green in ['on','off']:
result = p.process({'red':red, 'yellow':yellow, 'green':green})
print(f'red: {red}, yellow: {yellow}, green: {green}, result:{result}')


Issues and Discussions
As usual for any GitHub-based project, raise an issue if you find any bug or
want to suggest an improvement, or open a discussion if you want to discuss
or chat :wink:


Version
v0.0.10



Changelog

v0.0.10 (2023-12-22)


v0.0.9 (2023-12-22)


v0.0.8 (2023-12-22)


v0.0.7 (2023-12-22)


v0.0.6 (2023-12-22)


v0.0.5 (2023-12-22)


v0.0.4 (2023-01-08)

documentation update
added traffic lights example



v0.0.3 (2023-01-05)

documentation update



v0.0.2 (2023-01-05)

First release on PyPI.



v0.1.0 (2023-01-05)