def store(self):
"""Store user's catalogs to the Preferences file."""
items = self._items()
cfg = Configuration(True)
old_versions = cfg.options('Versions') \
if cfg.has_section('Versions') else []
new_versions = [i[0] for i in items]
for label in old_versions:
if label not in new_versions:
cfg.remove_option('Versions', label)
if CFG.has_option('Versions', label):
CFG.remove_option('Versions', label)
for label, path in items:
if not cfg.has_section('Versions'):
cfg.add_section('Versions')
cfg.set('Versions', label, path)
CFG.set('Versions', label, path)
with open(cfg.userrc, 'w') as pref:
cfg.write(pref)
def restore(self):
"""Restore user's catalogs to the Preferences file."""
self._clear()
cfg = Configuration(True)
versions = cfg.options('Versions') \
if cfg.has_section('Versions') else []
for label in versions:
path = cfg.get('Versions', label)
self._addItem(label, path)