Signals¶
Table of Contents
List of used signals¶
This models contains all the signals used by the library.
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save_to_db.core.signals.
after_db_persist
= <Signal('after_db_persist')>¶ Signal is emitted when a persistance process is completed.
Parameters: - items – List of persisted items.
- models – List of lists of persisted models corresponding to the list of items. One item can have more then one model updated.
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save_to_db.core.signals.
before_db_persist
= <Signal('before_db_persist')>¶ Signal is emitted when a persistance process is started.
Parameters: - item – The item that was used to persist the data.
- item_structure – Dictionary with single item classes as keys and lists of single item instances as values.
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save_to_db.core.signals.
item_dropped
= <Signal('item_dropped')>¶ Signal is emitted during persistence process for an item cannot that be used for persistence.
Note
If possible, related items will still be persisted.
Parameters: - item – A dropped item.
- reason (str) – A short explanation why the item was dropped.
Signal class¶
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class
save_to_db.core.utils.signal.
Signal
(name)[source]¶ Bases:
object
This class is used to emit signals.
Variables: name – Signal name. -
emit
(*args, **kwargs)[source]¶ Emits the signal. All listeners will be called with the same arguments as this method.
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