def updateThreadList(self):
"""Updates the list of running threads"""
frames = sys._current_frames()
for threadId, frame in frames.items():
# skip our own timer thread
if frame.f_code.co_name == '__eventPollTimer':
continue
# Unknown thread
if threadId not in self.threads:
newThread = DebugBase(self)
name = 'Thread-{0}'.format(self.threadNumber)
self.threadNumber += 1
newThread.id = threadId
newThread.name = name
self.threads[threadId] = newThread
# adjust current frame
if "__pypy__" not in sys.builtin_module_names:
# Don't update with None
currentFrame = self.getExecutedFrame(frame)
if (currentFrame is not None and
self.threads[threadId].isBroken is False):
self.threads[threadId].currentFrame = currentFrame
# Clean up obsolet because terminated threads
self.threads = {id_: thrd for id_, thrd in self.threads.items()
if id_ in frames}
def attachThread(self, target=None, args=None, kwargs=None,
mainThread=False):
"""
Public method to setup a standard thread for DebugClient to debug.
If mainThread is True, then we are attaching to the already
started mainthread of the app and the rest of the args are ignored.
"""
if kwargs is None:
kwargs = {}
if mainThread:
ident = _thread.get_ident()
name = 'MainThread'
newThread = self.mainThread
newThread.isMainThread = True
else:
newThread = DebugBase(self)
ident = self._original_start_new_thread(
newThread.bootstrap, (target, args, kwargs))
name = 'Thread-{0}'.format(self.threadNumber)
self.threadNumber += 1
newThread.id = ident
newThread.name = name
self.threads[ident] = newThread
return ident
def __init__( self, dbgClient, targ = None, args = None, kwargs = None,
mainThread = 0 ):
"""
Constructor
@param dbgClient the owning client
@param targ the target method in the run thread
@param args arguments to be passed to the thread
@param kwargs arguments to be passed to the thread
@param mainThread 0 if this thread is not the mainscripts thread
"""
DebugBase.__init__( self, dbgClient )
self._target = targ
self._args = args
self._kwargs = kwargs
self._mainThread = mainThread
# thread running tracks execution state of client code
# it will always be 0 for main thread as that is tracked
# by DebugClientThreads and Bdb...
self._threadRunning = 0
self.__ident = None # id of this thread
self.__name = ""
return
def trace_dispatch( self, frame, event, arg ):
"""
Private method wrapping the trace_dispatch of bdb.py.
It wraps the call to dispatch tracing into
bdb to make sure we have locked the client to prevent multiple
threads from entering the client event loop.
@param frame The current stack frame.
@param event The trace event (string)
@param arg The arguments
@return local trace function
"""
try:
self._dbgClient.lockClient()
# if this thread came out of a lock, and we are quitting
# and we are still running, then get rid of
# tracing for this thread
if self.quitting and self._threadRunning:
sys.settrace( None )
sys.setprofile( None )
import threading
self.__name = threading.currentThread().getName()
retval = DebugBase.trace_dispatch( self, frame, event, arg )
finally:
self._dbgClient.unlockClient()
return retval
def _bootstrap(self, run):
"""
Bootstrap for threading, which reports exceptions correctly.
@param run the run method of threading.Thread
@type method pointer
"""
newThread = DebugBase(_debugClient)
_debugClient.threads[self.ident] = newThread
newThread.name = self.name
# see DebugBase.bootstrap
sys.settrace(newThread.trace_dispatch)
try:
run()
except Exception:
excinfo = sys.exc_info()
newThread.user_exception(excinfo, True)
finally:
sys.settrace(None)
def _bootstrapQThread(self, run):
"""Bootstrap for QThread, which reports exceptions correctly"""
global _qtThreadNumber
newThread = DebugBase(_debugClient)
ident = _thread.get_ident()
name = 'QtThread-{0}'.format(_qtThreadNumber)
_qtThreadNumber += 1
newThread.id = ident
newThread.name = name
_debugClient.threads[ident] = newThread
# see DebugBase.bootstrap
sys.settrace(newThread.trace_dispatch)
try:
run()
except SystemExit:
# *.QThreads doesn't like SystemExit
pass
except Exception:
excinfo = sys.exc_info()
newThread.user_exception(excinfo, True)
finally:
sys.settrace(None)
def __init__(self):
DebugClientBase.__init__(self)
DebugBase.__init__(self, self)
ThreadExtension.__init__(self)
