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# Garbage collection optimizations
#
# Copyright (C) 2025 Branden Cash <ammmze@gmail.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import gc
import logging
class GarbageCollection:
def __init__(self, config):
self.printer = config.get_printer()
# feature check ... freeze/unfreeze is only available in python 3.7+
can_freeze = hasattr(gc, 'freeze') and hasattr(gc, 'unfreeze')
if can_freeze:
self.printer.register_event_handler("klippy:ready",
self._handle_ready)
self.printer.register_event_handler("klippy:disconnect",
self._handle_disconnect)
def _handle_ready(self):
logging.debug("Running full garbage collection and freezing")
for n in range(3):
gc.collect(n)
gc.freeze()
def _handle_disconnect(self):
logging.debug("Unfreezing garbage collection")
gc.unfreeze()
def load_config(config):
return GarbageCollection(config)
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