JSON#

The JSON module provides a json-based version of the DBContextStorage class. This class is used to store and retrieve context data in a JSON. It allows the DFF to easily store and retrieve context data.

class SerializableStorage(**data)[source]#

Bases: BaseModel

classmethod validate_any(vals)[source]#

model_computed_fields: ClassVar[dict[str, ComputedFieldInfo]] = {}#: A dictionary of computed field names and their corresponding ComputedFieldInfo objects.

model_config: ClassVar[ConfigDict] = {'extra': 'allow'}#: Configuration for the model, should be a dictionary conforming to [ConfigDict][pydantic.config.ConfigDict].

class JSONContextStorage(path)[source]#

Bases: DBContextStorage

Implements DBContextStorage with json as the storage format.

Parameters:: path (str) – Target file URI. Example: json://file.json.

len_async()[source]#

Asynchronous method for retrieving number of stored Contexts.

Return type:: int
Returns:: The number of stored Contexts.

set_item_async(key, value)[source]#

Asynchronous method for storing Context.

Parameters:

key (Hashable) – Hashable key used to store Context instance.
value (Context) – Context to store.

get_item_async(key)[source]#

Asynchronous method for accessing stored Context.

Parameters:: key (Hashable) – Hashable key used to store Context instance.
Return type:: Context
Returns:: The stored context, associated with the given key.

del_item_async(key)[source]#

Asynchronous method for removing stored Context.

Parameters:: key (Hashable) – Hashable key used to identify Context instance for deletion.

contains_async(key)[source]#

Asynchronous method for finding whether any Context is stored with given key.

Parameters:: key (Hashable) – Hashable key used to check if Context instance is stored.
Return type:: bool
Returns:: True if there is Context accessible by given key, False otherwise.

clear_async()[source]#: Asynchronous method for clearing context storage, removing all the stored Contexts.

async _save()[source]#

async _load()[source]#