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Updated Making your bot persistent (markdown)

Bibo-Joshi 2022-12-28 16:03:57 +01:00
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Making-your-bot-persistent.md

@ -79,8 +79,9 @@ Hence, each implementation should take care that it does not try to serialize `t
For example, it can check if the data equals the attribute `BasePersistence.bot` (which will be the bot object used by the `Application`) and instead store a placeholder. For example, it can check if the data equals the attribute `BasePersistence.bot` (which will be the bot object used by the `Application`) and instead store a placeholder.
When loading the data, the `BasePersistence.bot` can be reinserted instead of the placeholder. When loading the data, the `BasePersistence.bot` can be reinserted instead of the placeholder.
Indeed, this is basically what the built-in `PicklePersistence` does. Indeed, this is basically what the built-in `PicklePersistence` does.
### ⚠️ Note
Although `PicklePersistence` does the 'placeholder' process described above, all the data are deep copied with `copy.deepcopy` before being handed over to persistence. This means that you should store only copyable data on bot parts that will be persisted. This technical detail is described in a note [here](https://docs.python-telegram-bot.org/en/v20.0b0/telegram.ext.application.html#telegram.ext.Application.update_persistence)
For more technical details, please refer to the documentation of [`BasePersistence`](https://python-telegram-bot.readthedocs.io/telegram.ext.basepersistence.html#telegram-ext-basepersistence), For more technical details, please refer to the documentation of [`BasePersistence`](https://python-telegram-bot.readthedocs.io/telegram.ext.basepersistence.html#telegram-ext-basepersistence),
[`PicklePersistence`](https://python-telegram-bot.readthedocs.io/telegram.ext.picklepersistence.html#telegram-ext-picklepersistence) [`PicklePersistence`](https://python-telegram-bot.readthedocs.io/telegram.ext.picklepersistence.html#telegram-ext-picklepersistence)
### ⚠️ Note
Although `PicklePersistence` does the 'placeholder' process described above, all the data are deep copied with `copy.deepcopy` before being handed over to persistence. This means that you should either store only copyable data (e.g. no `telegram.Bot` objects) and/or ensure that your stored data defines appropriate custom deepcopy behavior. This technical detail is described in a note [here](https://docs.python-telegram-bot.org/telegram.ext.application.html#telegram.ext.Application.update_persistence)