def __init__(self, app, start_thread=True):
self.app = app
# ToolConfWatcher objects will watch the tool_cache if the tool_cache is passed into get_tool_conf_watcher.
# Watching the tool_cache means removing outdated items from the tool_cache.
# Only the reload_toolbox callback will re-populate the cache, so we pass the tool_cache only to the ToolConfWatcher that
# watches regular tools.
# If there are multiple ToolConfWatcher objects for the same handler or web process a race condition occurs between the two cache_cleanup functions.
# If the reload_data_managers callback wins, the cache will miss the tools that had been removed from the cache
# and will be blind to further changes in these tools.
self.tool_config_watcher = get_tool_conf_watcher(
reload_callback=lambda: reload_toolbox(self.app),
tool_cache=self.app.tool_cache)
self.data_manager_config_watcher = get_tool_conf_watcher(
reload_callback=lambda: reload_data_managers(self.app))
self.tool_data_watcher = get_tool_data_dir_watcher(
self.app.tool_data_tables, config=self.app.config)
self.tool_watcher = get_tool_watcher(self, app.config)
if getattr(self.app, 'is_job_handler', False):
self.job_rule_watcher = get_watcher(app.config,
'watch_job_rules',
monitor_what_str='job rules')
else:
self.job_rule_watcher = get_watcher(app.config, '__invalid__')
if start_thread:
self.start()
def __init__(self, app):
self.app = app
# ToolConfWatcher objects will watch the tool_cache if the tool_cache is passed into get_tool_conf_watcher.
# Watching the tool_cache means removing outdated items from the tool_cache.
# Only the reload_toolbox callback will re-populate the cache, so we pass the tool_cache only to the ToolConfWatcher that
# watches regular tools.
# If there are multiple ToolConfWatcher objects for the same handler or web process a race condition occurs between the two cache_cleanup functions.
# If the reload_data_managers callback wins, the cache will miss the tools that had been removed from the cache
# and will be blind to further changes in these tools.
self.tool_config_watcher = get_tool_conf_watcher(reload_callback=lambda: reload_toolbox(self.app), tool_cache=self.app.tool_cache)
self.data_manager_config_watcher = get_tool_conf_watcher(reload_callback=lambda: reload_data_managers(self.app))
self.tool_data_watcher = get_tool_data_dir_watcher(self.app.tool_data_tables, config=self.app.config)
self.tool_watcher = get_tool_watcher(self, app.config)
self.start()