# Path: canaryd/diff.py
# def get_state_diff(plugin, plugin_state, previous_plugin_state):
#     '''
#     Diffs two state dicts and returns a list of changes.
# 
#     Changes:
#         All come as a tuple of ``(plugin, type, key, data=None)``.
#     '''
# 
#     changes = []
# 
#     # Look through the previous state to find any items that have been removed
#     for key, previous_item in six.iteritems(previous_plugin_state):
#         if key not in plugin_state:
#             state_diff = dict(
#                 (k, (v, None))
#                 for k, v in six.iteritems(previous_item)
#             )
# 
#             changes.append(Change(plugin, 'deleted', key, data=state_diff))
# 
#     # Loop the new state
#     for key, item in six.iteritems(plugin_state):
#         previous_item = previous_plugin_state.get(key)
# 
#         # Add anything that doesn't exist
#         if not previous_item:
#             state_diff = dict(
#                 (k, (None, v))
#                 for k, v in six.iteritems(item)
#             )
#             changes.append(Change(plugin, 'added', key, data=state_diff))
#             continue
# 
#         # Create the diff, which is a key -> (old, new) values
#         all_keys = list(six.iterkeys(item)) + list(six.iterkeys(previous_item))
#         all_keys = set(all_keys)
# 
#         state_diff = dict(
#             (k, (previous_item.get(k), item.get(k)))
#             for k in all_keys
#             if item.get(k) != previous_item.get(k)
#         )
# 
#         # If something changed - send the event!
#         if state_diff:
#             # If this plugin disables diffs, remake the state diff w/everything
#             if not plugin.diff_updates:
#                 state_diff = dict(
#                     (k, (previous_item.get(k), v))
#                     for k, v in six.iteritems(item)
#                 )
# 
#             changes.append(Change(plugin, 'updated', key, data=state_diff))
# 
#     return changes
# 
# Path: canaryd/log.py
# STDOUT_LOG_LEVELS = (logging.DEBUG, logging.INFO)
# STDERR_LOG_LEVELS = (logging.WARNING, logging.ERROR, logging.CRITICAL)
# class LogFilter(logging.Filter):
# class LogFormatter(logging.Formatter):
#     def __init__(self, *levels):
#     def filter(self, record):
#     def format(self, record):
# def setup_logging(verbose, debug, default_level=logging.CRITICAL):
# def setup_logging_from_settings(settings):
# def print_exception(debug_only=False):
# 
# Path: canaryd/plugin.py
# def get_and_prepare_working_plugins(settings, include_slow=True):
#     all_plugins = get_plugins()
#     working_plugins = []
# 
#     for plugin in all_plugins:
#         if not include_slow and plugin.is_slow:
#             continue
# 
#         status = prepare_plugin(plugin, settings)
# 
#         if status is True:
#             working_plugins.append(plugin)
# 
#     logger.info('Loaded plugins: {0}'.format(', '.join([
#         plugin.name
#         for plugin in working_plugins
#     ])))
# 
#     return working_plugins
# 
# def get_plugin_states(plugins, settings):
#     '''
#     Gets state output from multiple plugins.
#     '''
# 
#     return [
#         (plugin, get_plugin_state(plugin, settings))
#         for plugin in plugins
#     ]
# 
# Path: canaryd/remote.py
# def backoff(function, *args, **kwargs):
#     data = None
#     interval = 0
# 
#     error_message = kwargs.pop('error_message', 'API error')
#     max_wait = kwargs.pop('max_wait', 300)
# 
#     while data is None:
#         try:
#             return function(*args, **kwargs)
# 
#         except ApiError as e:
#             if interval + 10 <= max_wait:
#                 interval += 10
# 
#             e.log()
# 
#         logger.critical('{0}, retrying in {1}s'.format(error_message, interval))
#         sleep(interval)
# 
# def upload_state_changes(state_changes, settings):
#     '''
#     Uploads partial state to api.servicecanary.com.
#     '''
# 
#     return _upload_states_return_settings(
#         'server/{0}/state'.format(settings.server_id),
#         make_sync_or_changes_dict(state_changes),
#         settings,
#     )


from time import sleep, time
from canaryd.diff import get_state_diff
from canaryd.log import logger
from canaryd.plugin import (
    get_and_prepare_working_plugins,
    get_plugin_states,
)
from canaryd.remote import backoff, upload_state_changes
            logger.critical((
                'Unexpected exception while getting {0} state: '
                '{1}({2})'
            ).format(plugin.name, data.__class__.__name__, data))

            # Send the failed exception to the server, generating a warning
            exception_data = {
                'class': data.__class__.__name__,
                'message': '{0}'.format(data),
                'traceback': getattr(data, '_traceback'),
            }
            state_changes.append((plugin, ('ERROR', exception_data)))

        # Always set the previous state - this means if we errored the next time
        # we succeed we'll do a SYNC with the server.
        previous_states[plugin] = data

    logger.info('Uploading state changes...')

    settings_changes = backoff(
        upload_state_changes,
        state_changes,
        settings,
        error_message='Could not sync state changes',
        max_wait=settings.collect_interval_s,
    )

    if settings_changes:
        changed_keys = settings.update(settings_changes)
        if changed_keys:

# Path: canaryd/diff.py
# def get_state_diff(plugin, plugin_state, previous_plugin_state):
#     '''
#     Diffs two state dicts and returns a list of changes.
# 
#     Changes:
#         All come as a tuple of ``(plugin, type, key, data=None)``.
#     '''
# 
#     changes = []
# 
#     # Look through the previous state to find any items that have been removed
#     for key, previous_item in six.iteritems(previous_plugin_state):
#         if key not in plugin_state:
#             state_diff = dict(
#                 (k, (v, None))
#                 for k, v in six.iteritems(previous_item)
#             )
# 
#             changes.append(Change(plugin, 'deleted', key, data=state_diff))
# 
#     # Loop the new state
#     for key, item in six.iteritems(plugin_state):
#         previous_item = previous_plugin_state.get(key)
# 
#         # Add anything that doesn't exist
#         if not previous_item:
#             state_diff = dict(
#                 (k, (None, v))
#                 for k, v in six.iteritems(item)
#             )
#             changes.append(Change(plugin, 'added', key, data=state_diff))
#             continue
# 
#         # Create the diff, which is a key -> (old, new) values
#         all_keys = list(six.iterkeys(item)) + list(six.iterkeys(previous_item))
#         all_keys = set(all_keys)
# 
#         state_diff = dict(
#             (k, (previous_item.get(k), item.get(k)))
#             for k in all_keys
#             if item.get(k) != previous_item.get(k)
#         )
# 
#         # If something changed - send the event!
#         if state_diff:
#             # If this plugin disables diffs, remake the state diff w/everything
#             if not plugin.diff_updates:
#                 state_diff = dict(
#                     (k, (previous_item.get(k), v))
#                     for k, v in six.iteritems(item)
#                 )
# 
#             changes.append(Change(plugin, 'updated', key, data=state_diff))
# 
#     return changes
# 
# Path: canaryd/log.py
# STDOUT_LOG_LEVELS = (logging.DEBUG, logging.INFO)
# STDERR_LOG_LEVELS = (logging.WARNING, logging.ERROR, logging.CRITICAL)
# class LogFilter(logging.Filter):
# class LogFormatter(logging.Formatter):
#     def __init__(self, *levels):
#     def filter(self, record):
#     def format(self, record):
# def setup_logging(verbose, debug, default_level=logging.CRITICAL):
# def setup_logging_from_settings(settings):
# def print_exception(debug_only=False):
# 
# Path: canaryd/plugin.py
# def get_and_prepare_working_plugins(settings, include_slow=True):
#     all_plugins = get_plugins()
#     working_plugins = []
# 
#     for plugin in all_plugins:
#         if not include_slow and plugin.is_slow:
#             continue
# 
#         status = prepare_plugin(plugin, settings)
# 
#         if status is True:
#             working_plugins.append(plugin)
# 
#     logger.info('Loaded plugins: {0}'.format(', '.join([
#         plugin.name
#         for plugin in working_plugins
#     ])))
# 
#     return working_plugins
# 
# def get_plugin_states(plugins, settings):
#     '''
#     Gets state output from multiple plugins.
#     '''
# 
#     return [
#         (plugin, get_plugin_state(plugin, settings))
#         for plugin in plugins
#     ]
# 
# Path: canaryd/remote.py
# def backoff(function, *args, **kwargs):
#     data = None
#     interval = 0
# 
#     error_message = kwargs.pop('error_message', 'API error')
#     max_wait = kwargs.pop('max_wait', 300)
# 
#     while data is None:
#         try:
#             return function(*args, **kwargs)
# 
#         except ApiError as e:
#             if interval + 10 <= max_wait:
#                 interval += 10
# 
#             e.log()
# 
#         logger.critical('{0}, retrying in {1}s'.format(error_message, interval))
#         sleep(interval)
# 
# def upload_state_changes(state_changes, settings):
#     '''
#     Uploads partial state to api.servicecanary.com.
#     '''
# 
#     return _upload_states_return_settings(
#         'server/{0}/state'.format(settings.server_id),
#         make_sync_or_changes_dict(state_changes),
#         settings,
#     )


# Path: canaryd/daemon.py
from time import sleep, time
from canaryd.diff import get_state_diff
from canaryd.log import logger
from canaryd.plugin import (
    get_and_prepare_working_plugins,
    get_plugin_states,
)
from canaryd.remote import backoff, upload_state_changes

            logger.critical((
                'Unexpected exception while getting {0} state: '
                '{1}({2})'
            ).format(plugin.name, data.__class__.__name__, data))

            # Send the failed exception to the server, generating a warning
            exception_data = {
                'class': data.__class__.__name__,
                'message': '{0}'.format(data),
                'traceback': getattr(data, '_traceback'),
            }
            state_changes.append((plugin, ('ERROR', exception_data)))

        # Always set the previous state - this means if we errored the next time
        # we succeed we'll do a SYNC with the server.
        previous_states[plugin] = data

    logger.info('Uploading state changes...')

    settings_changes = backoff(
        upload_state_changes,
        state_changes,
        settings,
        error_message='Could not sync state changes',
        max_wait=settings.collect_interval_s,
    )

    if settings_changes:
        changed_keys = settings.update(settings_changes)
        if changed_keys:

            logger.info('Remote settings update: {0}'.format(