70 lines
3.1 KiB
Python
70 lines
3.1 KiB
Python
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class ContactInterface():
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""" This class will provide a common interface for controlling and collecting data from Contact Input ports on Extron devices (extronlib.device). The user can instantiate the class directly or create a subclass to add, remove, or alter behavior for different types of devices.
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Arguments:
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- Host (extronlib.device) - handle to Extron device class that instantiated this interface class
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- Port (string) - port name (e.g. 'CII1')
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Parameters:
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- Host - Returns (extronlib.device) - handle to Extron device class that instantiated this interface class
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- Port - Returns (string) - port name
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- State - Returns (string) - current state of IO port ('On', 'Off')
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Events:
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- Offline - (Event) Triggers when port goes offline. The callback takes two arguments. The first one is the extronlib.interface instance triggering the event and the second one is a string ('Offline').
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- Online - (Event) Triggers when port goes online. The callback takes two arguments. The first one is the extronlib.interface instance triggering the event and the second one is a string ('Online').
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- StateChanged - (Event) Triggers when the input state changes. The callback takes two arguments. The first one is the extronlib.interface instance triggering the event and the second one is a string ('On' or 'Off').
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"""
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Host: object
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""" handle to Extron device class that instantiated this interface class"""
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Port: str
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"""the port name this interface is attached to"""
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Offline = None
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"""
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Event:
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- Triggers when port goes offline
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- The callback takes two arguments. The first one is the extronlib.interface instance triggering the event and the second one is a string ('Offline').
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---
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```
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@event(SomeInterface, ['Online', 'Offline'])
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def HandleConnection(interface, state):
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print('{} is now {}'.format(interface.Port, state))
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```
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"""
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Online = None
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"""
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Event:
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- Triggers when port goes online
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- The callback takes two arguments. The first one is the extronlib.interface instance triggering the event and the second one is a string ('Online').
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"""
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Port: str
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""" the port name this interface is attached to"""
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State: str
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""" current state of IO port ('On', 'Off')"""
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StateChanged = None
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"""
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Event:
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- Triggers when the input state changes.
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- The callback takes two arguments. The first one is the extronlib.interface instance triggering the event and the second one is a string ('On' or 'Off').
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---
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```
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@event(InputInterface, 'StateChanged')
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def HandleStateChanged(interface, state):
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if state == 'On':
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StartCombinedInit()
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else:
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StartSeparateInit()
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```
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"""
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def __init__(self, Host: object, Port: str):
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""" ContactInterface class constructor.
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Arguments:
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- Host (extronlib.device) - handle to Extron device class that instantiated this interface class
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- Port (string) - port name (e.g. 'CII1')
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"""
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...
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