def temporary_setting(settings: sublime.Settings, key: str, val: Any) -> Generator[None, None, None]:
prev_val = None
has_prev_val = settings.has(key)
if has_prev_val:
prev_val = settings.get(key)
settings.set(key, val)
yield
settings.erase(key)
if has_prev_val and settings.get(key) != prev_val:
settings.set(key, prev_val)
def _migrate_obsolete_settings(self, settings: sublime.Settings):
"""
Migrates setting with a root `client` key to flattened structure.
Receives a `sublime.Settings` object.
Returns True if settings were migrated.
"""
client = settings.get('client') # type: Dict
if client:
settings.erase('client')
# Migrate old keys
for key, value in client.items():
settings.set(key, value)
return True
return False
