Class enthought.​permissions.​default.​persistent.​Persistent

Contents:
• Methods

Method summary

• __init__(self, factory, file_name, desc)
• lock(self)
• read(self)
• unlock(self)
• write(self, data)

Methods

• __init__(self, factory, file_name, desc)

  Initialise the object. factory is a callable that will create a new instance if there is no existing data. file_name is the name of the file in the ETSConfig.application_home directory (or the directory specified by the ETS_PERMS_DATA_DIR environment variable if set) to persist the data to. desc is a description of the data used in exceptions.

• lock(self)

  Obtain a lock on the persisted data.

• read(self)

  Read and return the persisted data.

• unlock(self)

  Release the lock on the persisted data.

• write(self, data)

  Write the persisted data.