<commit_before># coding=utf-8
from __future__ import (print_function, absolute_import)

__author__ = "<NAME> <<EMAIL>>, <NAME>"
__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
__copyright__ = "Copyright (C) 2014 The OctoPrint Project - Released under terms of the AGPLv3 License"

import datetime
import logging
import subprocess
import Queue
import threading
import collections

from octoprint.settings import settings
import octoprint.plugin

# singleton
_instance = None


def all_events():
	return [getattr(Events, name) for name in Events.__dict__ if not name.startswith("__")]


class Events(object):
	# application startup
	STARTUP = "Startup"

	# connect/disconnect to printer
	CONNECTED = "Connected"
	DISCONNECTED = "Disconnected"

	# connect/disconnect by client
	CLIENT_OPENED = "ClientOpened"
	CLIENT_CLOSED = "ClientClosed"

	# File management
	UPLOAD = "Upload"
	FILE_SELECTED = "FileSelected"
	FILE_DESELECTED = "FileDeselected"
	UPDATED_FILES = "UpdatedFiles"
	METADATA_ANALYSIS_STARTED = "MetadataAnalysisStarted"
	METADATA_ANALYSIS_FINISHED = "MetadataAnalysisFinished"
	METADATA_STATISTICS_UPDATED = "MetadataStatisticsUpdated"

	# SD Upload
	TRANSFER_STARTED = "TransferStarted"
	TRANSFER_DONE = "TransferDone"

	# print job
	PRINT_STARTED = "PrintStarted"
	PRINT_DONE = "PrintDone"
	PRINT_FAILED = "PrintFailed"
	PRINT_CANCELLED = "PrintCancelled"
	PRINT_PAUSED = "PrintPaused"
	PRINT_RESUMED = "PrintResumed"
	ERROR = "Error"

	# print/gcode events
	POWER_ON = "PowerOn"
	POWER_OFF = "PowerOff"
	HOME = "Home"
	Z_CHANGE = "ZChange"
	WAITING = "Waiting"
	DWELL = "Dwelling"
	COOLING = "Cooling"
	ALERT = "Alert"
	CONVEYOR = "Conveyor"
	EJECT = "Eject"
	E_STOP = "EStop"

	# Timelapse
	CAPTURE_START = "CaptureStart"
	CAPTURE_DONE = "CaptureDone"
	MOVIE_RENDERING = "MovieRendering"
	MOVIE_DONE = "MovieDone"
	MOVIE_FAILED = "MovieFailed"

	# Slicing
	SLICING_STARTED = "SlicingStarted"
	SLICING_DONE = "SlicingDone"
	SLICING_FAILED = "SlicingFailed"
	SLICING_CANCELLED = "SlicingCancelled"

	# Settings
	SETTINGS_UPDATED = "SettingsUpdated"


def eventManager():
	global _instance
	if _instance is None:
		_instance = EventManager()
	return _instance


class EventManager(object):
	"""
	Handles receiving events and dispatching them to subscribers
	"""

	def __init__(self):
		self._registeredListeners = collections.defaultdict(list)
		self._logger = logging.getLogger(__name__)

		self._queue = Queue.PriorityQueue()
		self._worker = threading.Thread(target=self._work)
		self._worker.daemon = True
		self._worker.start()

	def _work(self):
		while True:
			(event, payload) = self._queue.get(True)

			eventListeners = self._registeredListeners[event]
			self._logger.debug("Firing event: %s (Payload: %r)" % (event, payload))

			for listener in eventListeners:
				self._logger.debug("Sending action to %r" % listener)
				try:
					listener(event, payload)
				except:
					self._logger.exception("Got an exception while sending event %s (Payload: %r) to %s" % (event, payload, listener))

			octoprint.plugin.call_plugin(octoprint.plugin.types.EventHandlerPlugin,
			                             "on_event",
			                             args=[event, payload])

	def fire(self, event, payload=None):
		"""
		Fire an event to anyone subscribed to it

		Any object can generate an event and any object can subscribe to the event's name as a string (arbitrary, but
		case sensitive) and any extra payload data that may pertain to the event.

		Callbacks must implement the signature "callback(event, payload)", with "event" being the event's name and
		payload being a payload object specific to the event.
		"""

		self._queue.put((event, payload), 0)

		if event == Events.UPDATED_FILES and "type" in payload and payload["type"] == "printables":
			# when sending UpdatedFiles with type "printables", also send another event with deprecated type "gcode"
			# TODO v1.3.0 Remove again
			import copy<commit_msg>Added exception logging for event bus worker loop<commit_after># coding=utf-8
from __future__ import (print_function, absolute_import)

__author__ = "<NAME> <<EMAIL>>, <NAME>"
__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
__copyright__ = "Copyright (C) 2014 The OctoPrint Project - Released under terms of the AGPLv3 License"

import datetime
import logging
import subprocess
import Queue
import threading
import collections

from octoprint.settings import settings
import octoprint.plugin

# singleton
_instance = None


def all_events():
	return [getattr(Events, name) for name in Events.__dict__ if not name.startswith("__")]


class Events(object):
	# application startup
	STARTUP = "Startup"

	# connect/disconnect to printer
	CONNECTED = "Connected"
	DISCONNECTED = "Disconnected"

	# connect/disconnect by client
	CLIENT_OPENED = "ClientOpened"
	CLIENT_CLOSED = "ClientClosed"

	# File management
	UPLOAD = "Upload"
	FILE_SELECTED = "FileSelected"
	FILE_DESELECTED = "FileDeselected"
	UPDATED_FILES = "UpdatedFiles"
	METADATA_ANALYSIS_STARTED = "MetadataAnalysisStarted"
	METADATA_ANALYSIS_FINISHED = "MetadataAnalysisFinished"
	METADATA_STATISTICS_UPDATED = "MetadataStatisticsUpdated"

	# SD Upload
	TRANSFER_STARTED = "TransferStarted"
	TRANSFER_DONE = "TransferDone"

	# print job
	PRINT_STARTED = "PrintStarted"
	PRINT_DONE = "PrintDone"
	PRINT_FAILED = "PrintFailed"
	PRINT_CANCELLED = "PrintCancelled"
	PRINT_PAUSED = "PrintPaused"
	PRINT_RESUMED = "PrintResumed"
	ERROR = "Error"

	# print/gcode events
	POWER_ON = "PowerOn"
	POWER_OFF = "PowerOff"
	HOME = "Home"
	Z_CHANGE = "ZChange"
	WAITING = "Waiting"
	DWELL = "Dwelling"
	COOLING = "Cooling"
	ALERT = "Alert"
	CONVEYOR = "Conveyor"
	EJECT = "Eject"
	E_STOP = "EStop"

	# Timelapse
	CAPTURE_START = "CaptureStart"
	CAPTURE_DONE = "CaptureDone"
	MOVIE_RENDERING = "MovieRendering"
	MOVIE_DONE = "MovieDone"
	MOVIE_FAILED = "MovieFailed"

	# Slicing
	SLICING_STARTED = "SlicingStarted"
	SLICING_DONE = "SlicingDone"
	SLICING_FAILED = "SlicingFailed"
	SLICING_CANCELLED = "SlicingCancelled"

	# Settings
	SETTINGS_UPDATED = "SettingsUpdated"


def eventManager():
	global _instance
	if _instance is None:
		_instance = EventManager()
	return _instance


class EventManager(object):
	"""
	Handles receiving events and dispatching them to subscribers
	"""

	def __init__(self):
		self._registeredListeners = collections.defaultdict(list)
		self._logger = logging.getLogger(__name__)

		self._queue = Queue.PriorityQueue()
		self._worker = threading.Thread(target=self._work)
		self._worker.daemon = True
		self._worker.start()

	def _work(self):
		try:
			while True:
				(event, payload) = self._queue.get(True)

				eventListeners = self._registeredListeners[event]
				self._logger.debug("Firing event: %s (Payload: %r)" % (event, payload))

				for listener in eventListeners:
					self._logger.debug("Sending action to %r" % listener)
					try:
						listener(event, payload)
					except:
						self._logger.exception("Got an exception while sending event %s (Payload: %r) to %s" % (event, payload, listener))

				octoprint.plugin.call_plugin(octoprint.plugin.types.EventHandlerPlugin,
				                             "on_event",
				                             args=[event, payload])
		except:
			self._logger.exception("Ooops, the event bus worker loop crashed")

	def fire(self, event, payload=None):
		"""
		Fire an event to anyone subscribed to it

		Any object can generate an event and any object can subscribe to the event's name as a string (arbitrary, but
		case sensitive) and any extra payload data that may pertain to the event.

		Callbacks must implement the signature "callback(event, payload)", with "event" being the event's name and
		payload being a payload object specific to the event.
		"""

		self._queue.put((event, payload), 0)

		if event == Events.UPDATED_FILES and "type" in payload and payload["type"] == "printables":
			# when sending UpdatedFiles with type "printables", also send another event with deprecated type "gcode"
			# TODO v1.3.0 Remove again
			import copy
{'fraction_non_alphanumeric': 0.09547924901185771, 'fraction_numerical': 0.0024703557312252965, 'mean_word_length': 4.4969450101833, 'pattern_counts': {'":': 2, '<': 11, '<?xml version=': 0, '>': 11, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5274673', 'n_tokens_mistral': 2840, 'n_tokens_neox': 2640, 'n_words': 721}