Complete Yocto mirror with license table for TQMa6UL (2038-compliance)

- 264 license table entries with exact download URLs (224/264 resolved)
- Complete sources/ directory with all BitBake recipes
- Build configuration: tqma6ul-multi-mba6ulx, spaetzle (musl)
- Full traceability for Softwarefreigabeantrag
- GCC 13.4.0, Linux 6.6.102, U-Boot 2023.04, musl 1.2.4
- License distribution: GPL-2.0 (24), MIT (23), GPL-2.0+ (18), BSD-3 (16)

sources/poky/bitbake/lib/bb/event.py

@@ -0,0 +1,876 @@
+"""
+BitBake 'Event' implementation
+
+Classes and functions for manipulating 'events' in the
+BitBake build tools.
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
+
+import ast
+import atexit
+import collections
+import logging
+import pickle
+import sys
+import threading
+import traceback
+
+import bb.utils
+
+# This is the pid for which we should generate the event. This is set when
+# the runqueue forks off.
+worker_pid = 0
+worker_fire = None
+
+logger = logging.getLogger('BitBake.Event')
+
+class Event(object):
+    """Base class for events"""
+
+    def __init__(self):
+        self.pid = worker_pid
+
+
+class HeartbeatEvent(Event):
+    """Triggered at regular time intervals of 10 seconds. Other events can fire much more often
+       (runQueueTaskStarted when there are many short tasks) or not at all for long periods
+       of time (again runQueueTaskStarted, when there is just one long-running task), so this
+       event is more suitable for doing some task-independent work occasionally."""
+    def __init__(self, time):
+        Event.__init__(self)
+        self.time = time
+
+Registered        = 10
+AlreadyRegistered = 14
+
+def get_class_handlers():
+    return _handlers
+
+def set_class_handlers(h):
+    global _handlers
+    _handlers = h
+
+def clean_class_handlers():
+    return collections.OrderedDict()
+
+# Internal
+_handlers = clean_class_handlers()
+_ui_handlers = {}
+_ui_logfilters = {}
+_ui_handler_seq = 0
+_event_handler_map = {}
+_catchall_handlers = {}
+_eventfilter = None
+_uiready = False
+_thread_lock = threading.Lock()
+_heartbeat_enabled = False
+_should_exit = threading.Event()
+
+def enable_threadlock():
+    # Always needed now
+    return
+
+def disable_threadlock():
+    # Always needed now
+    return
+
+def enable_heartbeat():
+    global _heartbeat_enabled
+    _heartbeat_enabled = True
+
+def disable_heartbeat():
+    global _heartbeat_enabled
+    _heartbeat_enabled = False
+
+#
+# In long running code, this function should be called periodically
+# to check if we should exit due to an interuption (.e.g Ctrl+C from the UI)
+#
+def check_for_interrupts(d):
+    global _should_exit
+    if _should_exit.is_set():
+        bb.warn("Exiting due to interrupt.")
+        raise bb.BBHandledException()
+
+def execute_handler(name, handler, event, d):
+    event.data = d
+    try:
+        ret = handler(event, d)
+    except (bb.parse.SkipRecipe, bb.BBHandledException):
+        raise
+    except Exception:
+        etype, value, tb = sys.exc_info()
+        logger.error("Execution of event handler '%s' failed" % name,
+                        exc_info=(etype, value, tb.tb_next))
+        raise
+    except SystemExit as exc:
+        if exc.code != 0:
+            logger.error("Execution of event handler '%s' failed" % name)
+        raise
+    finally:
+        del event.data
+
+
+def fire_class_handlers(event, d):
+    if isinstance(event, logging.LogRecord):
+        return
+
+    eid = str(event.__class__)[8:-2]
+    evt_hmap = _event_handler_map.get(eid, {})
+    for name, handler in list(_handlers.items()):
+        if name in _catchall_handlers or name in evt_hmap:
+            if _eventfilter:
+                if not _eventfilter(name, handler, event, d):
+                    continue
+            if d is not None and not name in (d.getVar("__BBHANDLERS_MC") or set()):
+                continue
+            execute_handler(name, handler, event, d)
+
+ui_queue = []
+@atexit.register
+def print_ui_queue():
+    global ui_queue
+    """If we're exiting before a UI has been spawned, display any queued
+    LogRecords to the console."""
+    logger = logging.getLogger("BitBake")
+    if not _uiready:
+        from bb.msg import BBLogFormatter
+        # Flush any existing buffered content
+        try:
+            sys.stdout.flush()
+        except:
+            pass
+        try:
+            sys.stderr.flush()
+        except:
+            pass
+        stdout = logging.StreamHandler(sys.stdout)
+        stderr = logging.StreamHandler(sys.stderr)
+        formatter = BBLogFormatter("%(levelname)s: %(message)s")
+        stdout.setFormatter(formatter)
+        stderr.setFormatter(formatter)
+
+        # First check to see if we have any proper messages
+        msgprint = False
+        msgerrs = False
+
+        # Should we print to stderr?
+        for event in ui_queue[:]:
+            if isinstance(event, logging.LogRecord) and event.levelno >= logging.WARNING:
+                msgerrs = True
+                break
+
+        if msgerrs:
+            logger.addHandler(stderr)
+        else:
+            logger.addHandler(stdout)
+
+        for event in ui_queue[:]:
+            if isinstance(event, logging.LogRecord):
+                if event.levelno > logging.DEBUG:
+                    logger.handle(event)
+                    msgprint = True
+
+        # Nope, so just print all of the messages we have (including debug messages)
+        if not msgprint:
+            for event in ui_queue[:]:
+                if isinstance(event, logging.LogRecord):
+                    logger.handle(event)
+        if msgerrs:
+            logger.removeHandler(stderr)
+        else:
+            logger.removeHandler(stdout)
+        ui_queue = []
+
+def fire_ui_handlers(event, d):
+    global _thread_lock
+
+    if not _uiready:
+        # No UI handlers registered yet, queue up the messages
+        ui_queue.append(event)
+        return
+
+    with bb.utils.lock_timeout_nocheck(_thread_lock) as lock:
+        if not lock:
+            # If we can't get the lock, we may be recursively called, queue and return
+            ui_queue.append(event)
+            return
+
+        errors = []
+        for h in _ui_handlers:
+            #print "Sending event %s" % event
+            try:
+                 if not _ui_logfilters[h].filter(event):
+                     continue
+                 # We use pickle here since it better handles object instances
+                 # which xmlrpc's marshaller does not. Events *must* be serializable
+                 # by pickle.
+                 if hasattr(_ui_handlers[h].event, "sendpickle"):
+                    _ui_handlers[h].event.sendpickle((pickle.dumps(event)))
+                 else:
+                    _ui_handlers[h].event.send(event)
+            except:
+                errors.append(h)
+        for h in errors:
+            del _ui_handlers[h]
+
+    while ui_queue:
+        fire_ui_handlers(ui_queue.pop(), d)
+
+def fire(event, d):
+    """Fire off an Event"""
+
+    # We can fire class handlers in the worker process context and this is
+    # desired so they get the task based datastore.
+    # UI handlers need to be fired in the server context so we defer this. They
+    # don't have a datastore so the datastore context isn't a problem.
+
+    fire_class_handlers(event, d)
+    if worker_fire:
+        worker_fire(event, d)
+    else:
+        # If messages have been queued up, clear the queue
+        global _uiready, ui_queue
+        if _uiready and ui_queue:
+            for queue_event in ui_queue:
+                fire_ui_handlers(queue_event, d)
+            ui_queue = []
+        fire_ui_handlers(event, d)
+
+def fire_from_worker(event, d):
+    fire_ui_handlers(event, d)
+
+noop = lambda _: None
+def register(name, handler, mask=None, filename=None, lineno=None, data=None):
+    """Register an Event handler"""
+
+    if data is not None and data.getVar("BB_CURRENT_MC"):
+        mc = data.getVar("BB_CURRENT_MC")
+        name = '%s%s' % (mc.replace('-', '_'), name)
+
+    # already registered
+    if name in _handlers:
+        if data is not None:
+            bbhands_mc = (data.getVar("__BBHANDLERS_MC") or set())
+            bbhands_mc.add(name)
+            data.setVar("__BBHANDLERS_MC", bbhands_mc)
+        return AlreadyRegistered
+
+    if handler is not None:
+        # handle string containing python code
+        if isinstance(handler, str):
+            tmp = "def %s(e, d):\n%s" % (name, handler)
+            # Inject empty lines to make code match lineno in filename
+            if lineno is not None:
+                tmp = "\n" * (lineno-1) + tmp
+            try:
+                code = bb.methodpool.compile_cache(tmp)
+                if not code:
+                    if filename is None:
+                        filename = "%s(e, d)" % name
+                    code = compile(tmp, filename, "exec", ast.PyCF_ONLY_AST)
+                    code = compile(code, filename, "exec")
+                    bb.methodpool.compile_cache_add(tmp, code)
+            except SyntaxError:
+                logger.error("Unable to register event handler '%s':\n%s", name,
+                             ''.join(traceback.format_exc(limit=0)))
+                _handlers[name] = noop
+                return
+            env = {}
+            bb.utils.better_exec(code, env)
+            func = bb.utils.better_eval(name, env)
+            _handlers[name] = func
+        else:
+            _handlers[name] = handler
+
+        if not mask or '*' in mask:
+            _catchall_handlers[name] = True
+        else:
+            for m in mask:
+                if _event_handler_map.get(m, None) is None:
+                    _event_handler_map[m] = {}
+                _event_handler_map[m][name] = True
+
+        if data is not None:
+            bbhands_mc = (data.getVar("__BBHANDLERS_MC") or set())
+            bbhands_mc.add(name)
+            data.setVar("__BBHANDLERS_MC", bbhands_mc)
+
+        return Registered
+
+def remove(name, handler, data=None):
+    """Remove an Event handler"""
+    if data is not None:
+        if data.getVar("BB_CURRENT_MC"):
+            mc = data.getVar("BB_CURRENT_MC")
+            name = '%s%s' % (mc.replace('-', '_'), name)
+
+    _handlers.pop(name)
+    if name in _catchall_handlers:
+        _catchall_handlers.pop(name)
+    for event in _event_handler_map.keys():
+        if name in _event_handler_map[event]:
+            _event_handler_map[event].pop(name)
+
+    if data is not None:
+        bbhands_mc = (data.getVar("__BBHANDLERS_MC") or set())
+        if name in bbhands_mc:
+            bbhands_mc.remove(name)
+            data.setVar("__BBHANDLERS_MC", bbhands_mc)
+
+def get_handlers():
+    return _handlers
+
+def set_handlers(handlers):
+    global _handlers
+    _handlers = handlers
+
+def set_eventfilter(func):
+    global _eventfilter
+    _eventfilter = func
+
+def register_UIHhandler(handler, mainui=False):
+    with bb.utils.lock_timeout(_thread_lock):
+        bb.event._ui_handler_seq = bb.event._ui_handler_seq + 1
+        _ui_handlers[_ui_handler_seq] = handler
+        level, debug_domains = bb.msg.constructLogOptions()
+        _ui_logfilters[_ui_handler_seq] = UIEventFilter(level, debug_domains)
+        if mainui:
+            global _uiready
+            _uiready = _ui_handler_seq
+        return _ui_handler_seq
+
+def unregister_UIHhandler(handlerNum, mainui=False):
+    if mainui:
+        global _uiready
+        _uiready = False
+    with bb.utils.lock_timeout(_thread_lock):
+        if handlerNum in _ui_handlers:
+            del _ui_handlers[handlerNum]
+    return
+
+def get_uihandler():
+    if _uiready is False:
+        return None
+    return _uiready
+
+# Class to allow filtering of events and specific filtering of LogRecords *before* we put them over the IPC
+class UIEventFilter(object):
+    def __init__(self, level, debug_domains):
+        self.update(None, level, debug_domains)
+
+    def update(self, eventmask, level, debug_domains):
+        self.eventmask = eventmask
+        self.stdlevel = level
+        self.debug_domains = debug_domains
+
+    def filter(self, event):
+        if isinstance(event, logging.LogRecord):
+            if event.levelno >= self.stdlevel:
+                return True
+            if event.name in self.debug_domains and event.levelno >= self.debug_domains[event.name]:
+                return True
+            return False
+        eid = str(event.__class__)[8:-2]
+        if self.eventmask and eid not in self.eventmask:
+            return False
+        return True
+
+def set_UIHmask(handlerNum, level, debug_domains, mask):
+    if not handlerNum in _ui_handlers:
+        return False
+    if '*' in mask:
+        _ui_logfilters[handlerNum].update(None, level, debug_domains)
+    else:
+        _ui_logfilters[handlerNum].update(mask, level, debug_domains)
+    return True
+
+def getName(e):
+    """Returns the name of a class or class instance"""
+    if getattr(e, "__name__", None) is None:
+        return e.__class__.__name__
+    else:
+        return e.__name__
+
+class OperationStarted(Event):
+    """An operation has begun"""
+    def __init__(self, msg = "Operation Started"):
+        Event.__init__(self)
+        self.msg = msg
+
+class OperationCompleted(Event):
+    """An operation has completed"""
+    def __init__(self, total, msg = "Operation Completed"):
+        Event.__init__(self)
+        self.total = total
+        self.msg = msg
+
+class OperationProgress(Event):
+    """An operation is in progress"""
+    def __init__(self, current, total, msg = "Operation in Progress"):
+        Event.__init__(self)
+        self.current = current
+        self.total = total
+        self.msg = msg + ": %s/%s" % (current, total);
+
+class ConfigParsed(Event):
+    """Configuration Parsing Complete"""
+
+class MultiConfigParsed(Event):
+    """Multi-Config Parsing Complete"""
+    def __init__(self, mcdata):
+        self.mcdata = mcdata
+        Event.__init__(self)
+
+class RecipeEvent(Event):
+    def __init__(self, fn):
+        self.fn = fn
+        Event.__init__(self)
+
+class RecipePreFinalise(RecipeEvent):
+    """ Recipe Parsing Complete but not yet finalised"""
+
+class RecipePostKeyExpansion(RecipeEvent):
+    """ Recipe Parsing Complete but not yet finalised"""
+
+
+class RecipeTaskPreProcess(RecipeEvent):
+    """
+    Recipe Tasks about to be finalised
+    The list of tasks should be final at this point and handlers
+    are only able to change interdependencies
+    """
+    def __init__(self, fn, tasklist):
+        self.fn = fn
+        self.tasklist = tasklist
+        Event.__init__(self)
+
+class RecipeParsed(RecipeEvent):
+    """ Recipe Parsing Complete """
+
+class BuildBase(Event):
+    """Base class for bitbake build events"""
+
+    def __init__(self, n, p, failures = 0):
+        self._name = n
+        self._pkgs = p
+        Event.__init__(self)
+        self._failures = failures
+
+    def getPkgs(self):
+        return self._pkgs
+
+    def setPkgs(self, pkgs):
+        self._pkgs = pkgs
+
+    def getName(self):
+        return self._name
+
+    def setName(self, name):
+        self._name = name
+
+    def getFailures(self):
+        """
+        Return the number of failed packages
+        """
+        return self._failures
+
+    pkgs = property(getPkgs, setPkgs, None, "pkgs property")
+    name = property(getName, setName, None, "name property")
+
+class BuildInit(BuildBase):
+    """buildFile or buildTargets was invoked"""
+    def __init__(self, p=[]):
+        name = None
+        BuildBase.__init__(self, name, p)
+
+class BuildStarted(BuildBase, OperationStarted):
+    """Event when builds start"""
+    def __init__(self, n, p, failures = 0):
+        OperationStarted.__init__(self, "Building Started")
+        BuildBase.__init__(self, n, p, failures)
+
+class BuildCompleted(BuildBase, OperationCompleted):
+    """Event when builds have completed"""
+    def __init__(self, total, n, p, failures=0, interrupted=0):
+        if not failures:
+            OperationCompleted.__init__(self, total, "Building Succeeded")
+        else:
+            OperationCompleted.__init__(self, total, "Building Failed")
+        self._interrupted = interrupted
+        BuildBase.__init__(self, n, p, failures)
+
+class DiskFull(Event):
+    """Disk full case build halted"""
+    def __init__(self, dev, type, freespace, mountpoint):
+        Event.__init__(self)
+        self._dev = dev
+        self._type = type
+        self._free = freespace
+        self._mountpoint = mountpoint
+
+class DiskUsageSample:
+    def __init__(self, available_bytes, free_bytes, total_bytes):
+        # Number of bytes available to non-root processes.
+        self.available_bytes = available_bytes
+        # Number of bytes available to root processes.
+        self.free_bytes = free_bytes
+        # Total capacity of the volume.
+        self.total_bytes = total_bytes
+
+class MonitorDiskEvent(Event):
+    """If BB_DISKMON_DIRS is set, then this event gets triggered each time disk space is checked.
+       Provides information about devices that are getting monitored."""
+    def __init__(self, disk_usage):
+        Event.__init__(self)
+        # hash of device root path -> DiskUsageSample
+        self.disk_usage = disk_usage
+
+class NoProvider(Event):
+    """No Provider for an Event"""
+
+    def __init__(self, item, runtime=False, dependees=None, reasons=None, close_matches=None):
+        Event.__init__(self)
+        self._item = item
+        self._runtime = runtime
+        self._dependees = dependees
+        self._reasons = reasons
+        self._close_matches = close_matches
+
+    def getItem(self):
+        return self._item
+
+    def isRuntime(self):
+        return self._runtime
+
+    def __str__(self):
+        msg = ''
+        if self._runtime:
+            r = "R"
+        else:
+            r = ""
+
+        extra = ''
+        if not self._reasons:
+            if self._close_matches:
+                extra = ". Close matches:\n  %s" % '\n  '.join(sorted(set(self._close_matches)))
+
+        if self._dependees:
+            msg = "Nothing %sPROVIDES '%s' (but %s %sDEPENDS on or otherwise requires it)%s" % (r, self._item, ", ".join(self._dependees), r, extra)
+        else:
+            msg = "Nothing %sPROVIDES '%s'%s" % (r, self._item, extra)
+        if self._reasons:
+            for reason in self._reasons:
+                msg += '\n' + reason
+        return msg
+
+
+class MultipleProviders(Event):
+    """Multiple Providers"""
+
+    def  __init__(self, item, candidates, runtime = False):
+        Event.__init__(self)
+        self._item = item
+        self._candidates = candidates
+        self._is_runtime = runtime
+
+    def isRuntime(self):
+        """
+        Is this a runtime issue?
+        """
+        return self._is_runtime
+
+    def getItem(self):
+        """
+        The name for the to be build item
+        """
+        return self._item
+
+    def getCandidates(self):
+        """
+        Get the possible Candidates for a PROVIDER.
+        """
+        return self._candidates
+
+    def __str__(self):
+        msg = "Multiple providers are available for %s%s (%s)" % (self._is_runtime and "runtime " or "",
+                            self._item,
+                            ", ".join(self._candidates))
+        rtime = ""
+        if self._is_runtime:
+            rtime = "R"
+        msg += "\nConsider defining a PREFERRED_%sPROVIDER entry to match %s" % (rtime, self._item)
+        return msg
+
+class ParseStarted(OperationStarted):
+    """Recipe parsing for the runqueue has begun"""
+    def __init__(self, total):
+        OperationStarted.__init__(self, "Recipe parsing Started")
+        self.total = total
+
+class ParseCompleted(OperationCompleted):
+    """Recipe parsing for the runqueue has completed"""
+    def __init__(self, cached, parsed, skipped, masked, virtuals, errors, total):
+        OperationCompleted.__init__(self, total, "Recipe parsing Completed")
+        self.cached = cached
+        self.parsed = parsed
+        self.skipped = skipped
+        self.virtuals = virtuals
+        self.masked = masked
+        self.errors = errors
+        self.sofar = cached + parsed
+
+class ParseProgress(OperationProgress):
+    """Recipe parsing progress"""
+    def __init__(self, current, total):
+        OperationProgress.__init__(self, current, total, "Recipe parsing")
+
+
+class CacheLoadStarted(OperationStarted):
+    """Loading of the dependency cache has begun"""
+    def __init__(self, total):
+        OperationStarted.__init__(self, "Loading cache Started")
+        self.total = total
+
+class CacheLoadProgress(OperationProgress):
+    """Cache loading progress"""
+    def __init__(self, current, total):
+        OperationProgress.__init__(self, current, total, "Loading cache")
+
+class CacheLoadCompleted(OperationCompleted):
+    """Cache loading is complete"""
+    def __init__(self, total, num_entries):
+        OperationCompleted.__init__(self, total, "Loading cache Completed")
+        self.num_entries = num_entries
+
+class TreeDataPreparationStarted(OperationStarted):
+    """Tree data preparation started"""
+    def __init__(self):
+        OperationStarted.__init__(self, "Preparing tree data Started")
+
+class TreeDataPreparationProgress(OperationProgress):
+    """Tree data preparation is in progress"""
+    def __init__(self, current, total):
+        OperationProgress.__init__(self, current, total, "Preparing tree data")
+
+class TreeDataPreparationCompleted(OperationCompleted):
+    """Tree data preparation completed"""
+    def __init__(self, total):
+        OperationCompleted.__init__(self, total, "Preparing tree data Completed")
+
+class DepTreeGenerated(Event):
+    """
+    Event when a dependency tree has been generated
+    """
+
+    def __init__(self, depgraph):
+        Event.__init__(self)
+        self._depgraph = depgraph
+
+class TargetsTreeGenerated(Event):
+    """
+    Event when a set of buildable targets has been generated
+    """
+    def __init__(self, model):
+        Event.__init__(self)
+        self._model = model
+
+class ReachableStamps(Event):
+    """
+    An event listing all stamps reachable after parsing
+    which the metadata may use to clean up stale data
+    """
+
+    def __init__(self, stamps):
+        Event.__init__(self)
+        self.stamps = stamps
+
+class StaleSetSceneTasks(Event):
+    """
+    An event listing setscene tasks which are 'stale' and will
+    be rerun. The metadata may use to clean up stale data.
+    tasks is a mapping of tasks and matching stale stamps.
+    """
+
+    def __init__(self, tasks):
+        Event.__init__(self)
+        self.tasks = tasks
+
+class FilesMatchingFound(Event):
+    """
+    Event when a list of files matching the supplied pattern has
+    been generated
+    """
+    def __init__(self, pattern, matches):
+        Event.__init__(self)
+        self._pattern = pattern
+        self._matches = matches
+
+class ConfigFilesFound(Event):
+    """
+    Event when a list of appropriate config files has been generated
+    """
+    def __init__(self, variable, values):
+        Event.__init__(self)
+        self._variable = variable
+        self._values = values
+
+class ConfigFilePathFound(Event):
+    """
+    Event when a path for a config file has been found
+    """
+    def __init__(self, path):
+        Event.__init__(self)
+        self._path = path
+
+class MsgBase(Event):
+    """Base class for messages"""
+
+    def __init__(self, msg):
+        self._message = msg
+        Event.__init__(self)
+
+class MsgDebug(MsgBase):
+    """Debug Message"""
+
+class MsgNote(MsgBase):
+    """Note Message"""
+
+class MsgWarn(MsgBase):
+    """Warning Message"""
+
+class MsgError(MsgBase):
+    """Error Message"""
+
+class MsgFatal(MsgBase):
+    """Fatal Message"""
+
+class MsgPlain(MsgBase):
+    """General output"""
+
+class LogExecTTY(Event):
+    """Send event containing program to spawn on tty of the logger"""
+    def __init__(self, msg, prog, sleep_delay, retries):
+        Event.__init__(self)
+        self.msg = msg
+        self.prog = prog
+        self.sleep_delay = sleep_delay
+        self.retries = retries
+
+class LogHandler(logging.Handler):
+    """Dispatch logging messages as bitbake events"""
+
+    def emit(self, record):
+        if record.exc_info:
+            record.bb_exc_formatted = traceback.format_exception(*record.exc_info)
+            record.exc_info = None
+        fire(record, None)
+
+    def filter(self, record):
+        record.taskpid = worker_pid
+        return True
+
+class MetadataEvent(Event):
+    """
+    Generic event that target for OE-Core classes
+    to report information during asynchronous execution
+    """
+    def __init__(self, eventtype, eventdata):
+        Event.__init__(self)
+        self.type = eventtype
+        self._localdata = eventdata
+
+class ProcessStarted(Event):
+    """
+    Generic process started event (usually part of the initial startup)
+    where further progress events will be delivered
+    """
+    def __init__(self, processname, total):
+        Event.__init__(self)
+        self.processname = processname
+        self.total = total
+
+class ProcessProgress(Event):
+    """
+    Generic process progress event (usually part of the initial startup)
+    """
+    def __init__(self, processname, progress):
+        Event.__init__(self)
+        self.processname = processname
+        self.progress = progress
+
+class ProcessFinished(Event):
+    """
+    Generic process finished event (usually part of the initial startup)
+    """
+    def __init__(self, processname):
+        Event.__init__(self)
+        self.processname = processname
+
+class SanityCheck(Event):
+    """
+    Event to run sanity checks, either raise errors or generate events as return status.
+    """
+    def __init__(self, generateevents = True):
+        Event.__init__(self)
+        self.generateevents = generateevents
+
+class SanityCheckPassed(Event):
+    """
+    Event to indicate sanity check has passed
+    """
+
+class SanityCheckFailed(Event):
+    """
+    Event to indicate sanity check has failed
+    """
+    def __init__(self, msg, network_error=False):
+        Event.__init__(self)
+        self._msg = msg
+        self._network_error = network_error
+
+class NetworkTest(Event):
+    """
+    Event to run network connectivity tests, either raise errors or generate events as return status.
+    """
+    def __init__(self, generateevents = True):
+        Event.__init__(self)
+        self.generateevents = generateevents
+
+class NetworkTestPassed(Event):
+    """
+    Event to indicate network test has passed
+    """
+
+class NetworkTestFailed(Event):
+    """
+    Event to indicate network test has failed
+    """
+
+class FindSigInfoResult(Event):
+    """
+    Event to return results from findSigInfo command
+    """
+    def __init__(self, result):
+        Event.__init__(self)
+        self.result = result
+
+class GetTaskSignatureResult(Event):
+    """
+    Event to return results from GetTaskSignatures command
+    """
+    def __init__(self, sig):
+        Event.__init__(self)
+        self.sig = sig
+
+class ParseError(Event):
+    """
+    Event to indicate parse failed
+    """
+    def __init__(self, msg):
+        super().__init__()
+        self._msg = msg