Tokyo Tyrant backend

A storage/query backend for Tokyo Tyrant.

database:Tokyo Cabinet, Tokyo Tyrant status:stable dependencies:Pyrant

class pymodels.backends.tokyo_tyrant.Storage(host='127.0.0.1', port=1978)

clear()

Clears the whole storage from data, resets autoincrement counters.

delete(key)

Deleted record with given primary key.

get(model, primary_key)

Returns model instance for given model and primary key. Raises KeyError if there is no item with given key in the database.

save(model, data, primary_key=None)

Saves given model instance into the storage. Returns primary key.

Parameters:

• model – model class
• data – dict containing all properties to be saved
• primary_key – the key for given object; if undefined, will be generated

Note that you must provide current primary key for a model instance which is already in the database in order to update it instead of copying it.

class pymodels.backends.tokyo_tyrant.Query(storage, model)

count()

Returns the number of records that match current query. Does not fetch the records.

delete()

Deletes all records that match current query.

values(name)

Returns a list of unique values for given column name.

where(**conditions)

Returns Query instance filtered by given conditions. The conditions are defined exactly as in Pyrant’s high-level query API. See pyrant.query.Query.filter documentation for details.

where_not(**conditions)

Returns Query instance. Inverted version of where().