Warning
This documentation is for an unreleased version of MPF!
This is the developer documentation for MPF 0.54, which is the “dev” (next) release of MPF that is a work-in-progress. Use the “Read the Docs” link in the lower left corner to view the developer docs for the version of MPF you’re using.
self.machine.drop_target_banks.*¶
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class
mpf.devices.drop_target.
DropTargetBank
(*args, **kwargs)¶ Bases:
mpf.core.system_wide_device.SystemWideDevice
,mpf.core.mode_device.ModeDevice
A bank of drop targets in a pinball machine by grouping together multiple DropTarget class devices.
Accessing drop_target_banks in code
The device collection which contains the drop_target_banks in your machine is available via
self.machine.drop_target_banks
. For example, to access one called “foo”, you would useself.machine.drop_target_banks.foo
. You can also access drop_target_banks in dictionary form, e.g.self.machine.drop_target_banks['foo']
.You can also get devices by tag or hardware number. See the DeviceCollection documentation for details.
Methods & Attributes
Drop_target_banks have the following methods & attributes available. Note that methods & attributes inherited from base classes are not included here.
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enable
() → None¶ Enable handler.
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event_enable
(**kwargs)¶ Event handler for enable event.
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event_reset
(**kwargs)¶ Handle reset control event.
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format_log_line
(msg, context, error_no) → str¶ Return a formatted log line with log link and context.
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get_placeholder_value
(item)¶ Get the value of a placeholder.
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member_target_change
()¶ Handle that a member drop target has changed state.
This method causes this group to update its down and up counts and complete status.
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raise_config_error
(msg, error_no, *, context=None) → NoReturn¶ Raise a ConfigFileError exception.
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reset
()¶ Reset this bank of drop targets.
This method has some intelligence to figure out what coil(s) it should fire. It builds up a set by looking at its own reset_coil and reset_coils settings, and also scanning through all the member drop targets and collecting their coils. Then it pulses each of them. (This coil list is a “set” which means it only sends a single pulse to each coil, even if each drop target is configured with its own coil.)
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subscribe_attribute
(item, machine)¶ Subscribe to an attribute.
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