LazyLoadSession

class compas_session.lazyload.LazyLoadSession(*, name, basedir=None, scene=None, settings=None, depth=None, delete_existing=False)

Bases: object

Class representing a data session that can be identified by its name.

The class is implemented such that each named instance is a singleton. This means that during the lifetime of a program only one instance with a specific can exist, and that all sessions created with the same name, refer to the same session object instance.

Parameters:

namestr

The name of the unique object instance.

basedirstr or Path-like, optional

A “working” directory that serves as the root for storing (temporary) session data.

Raises:

SessionError

If no name is provided.

Methods

clear_history	Clear session history.
create_dirs	Create all directories.
delete_dirs	Remove all directories.
dump	Dump the data of the current session into a session directory.
get	Return the value for key if key is in the session, else return default or None.
load	Replace the session data with the data of a session directory.
record	Record the current state of the session into session history.
redo	Move one step forward in recorded session history.
set	Insert key in the session, and assign value to it.
setdefault	Return the value of key in the session.
undo	Move one step backward in recorded session history.