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57cd5af61f
Merge-request: IJ-MR-167496 Merged-by: Egor Eliseev <Egor.Eliseev@jetbrains.com> (cherry picked from commit 010536e426b82b7c56ae117c4410a58fa3cdfe76) GitOrigin-RevId: 893e36e12fa47a7dae5e0036c7bb142510c794a6
83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
# Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
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import sys
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import traceback
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import weakref
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import pydevd_tracing
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from _pydev_bundle import pydev_log
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from _pydev_imps._pydev_saved_modules import threading
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from _pydevd_bundle.pydevd_constants import USE_LOW_IMPACT_MONITORING
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if USE_LOW_IMPACT_MONITORING:
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from _pydevd_bundle.pydevd_pep_669_tracing_wrapper import disable_pep669_monitoring
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class PyDBDaemonThread(threading.Thread):
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def __init__(self, py_db=None, target_and_args=None):
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"""
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:param target_and_args:
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tuple(func, args, kwargs) if this should be a function and args to run.
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-- Note: use through run_as_pydevd_daemon_thread().
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"""
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threading.Thread.__init__(self)
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self._py_db = weakref.ref(py_db) if py_db is not None else None
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self._kill_received = False
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mark_as_pydevd_daemon_thread(self)
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self._target_and_args = target_and_args
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@property
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def py_db(self):
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return self._py_db() if self._py_db is not None else None
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def run(self):
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created_pydb_daemon = self.py_db.created_pydb_daemon_threads if self.py_db is not None else {}
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created_pydb_daemon[self] = 1
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try:
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try:
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self._stop_trace()
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self._warn_pydevd_thread_is_traced()
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self._on_run()
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except:
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if sys is not None and traceback is not None:
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traceback.print_exc()
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finally:
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del created_pydb_daemon[self]
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def _on_run(self):
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if self._target_and_args is not None:
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target, args, kwargs = self._target_and_args
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target(*args, **kwargs)
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else:
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raise NotImplementedError('Should be reimplemented by: %s' % self.__class__)
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def do_kill_pydev_thread(self):
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if not self._kill_received:
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pydev_log.debug("%s received kill signal" % self.name)
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self._kill_received = True
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def _stop_trace(self):
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if self.pydev_do_not_trace:
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if USE_LOW_IMPACT_MONITORING:
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disable_pep669_monitoring(all_threads=False)
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return
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pydevd_tracing.SetTrace(None) # no debugging on this thread
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def _warn_pydevd_thread_is_traced(self):
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if self.pydev_do_not_trace and sys.gettrace():
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pydev_log.debug("The debugger thread '%s' is traced which may lead to debugging performance issues." % self.__class__.__name__)
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def mark_as_pydevd_daemon_thread(thread):
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thread.pydev_do_not_trace = True
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thread.is_pydev_daemon_thread = True
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thread.daemon = True
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def run_as_pydevd_daemon_thread(py_db, func, *args, **kwargs):
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"""
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Runs a function as a pydevd daemon thread (without any tracing in place).
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"""
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t = PyDBDaemonThread(py_db, target_and_args=(func, args, kwargs))
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t.name = '%s (pydevd daemon thread)' % (func.__name__,)
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t.start()
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return t |