shelvedb submodule

Module used to load/store object from/to shelve database.

aleph_link_export.shelvedb.shelver(*args, **kwds)

In python 2.7, there is no context manager for shelve. So this is it.

class aleph_link_export.shelvedb.ShelveDatabase(log_fn, db_fn, db_key, logging)

Bases: object

Class that can save and load itself to shelve.

db_fn = None

Path to the database file.

log_fn = None

Path to the log file.

logging = None

Is the logging enabled?

log(msg)

Log the message to the log.

Parameters:msg (str) – Message which should be logged.

save()

Save this object to shelve.

static load(fn, db_key, creator)

Load the database from the shelve fn.

Parameters:

• fn (str) – Path to the database file.
• db_key (str) – What database key to use. Default DATABASE_KEY.
• creator (reference) – Reference to the function, which will create new RequestDatabase if the old is not found. Default lambda, which expects fn parameter lambda fn: ...

Returns:

RequestDatabase instance from the fn or newly created.

Return type:

obj