Python threading._MainThread() Examples
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code examples of threading._MainThread().
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Example #1
Source File: dataloader.py From mt-dnn with MIT License | 6 votes |
def _set_SIGCHLD_handler(): # Windows doesn't support SIGCHLD handler if sys.platform == 'win32': return # can't set signal in child threads if not isinstance(threading.current_thread(), threading._MainThread): return global _SIGCHLD_handler_set if _SIGCHLD_handler_set: return previous_handler = signal.getsignal(signal.SIGCHLD) if not callable(previous_handler): previous_handler = None def handler(signum, frame): # This following call uses `waitid` with WNOHANG from C side. Therefore, # Python can still get and update the process status successfully. _error_if_any_worker_fails() if previous_handler is not None: previous_handler(signum, frame) signal.signal(signal.SIGCHLD, handler) _SIGCHLD_handler_set = True
Example #2
Source File: loader_fn.py From 3D-convolutional-speaker-recognition-pytorch with Apache License 2.0 | 6 votes |
def _set_SIGCHLD_handler(): # Windows doesn't support SIGCHLD handler if sys.platform == 'win32': return # can't set signal in child threads if not isinstance(threading.current_thread(), threading._MainThread): return global _SIGCHLD_handler_set if _SIGCHLD_handler_set: return previous_handler = signal.getsignal(signal.SIGCHLD) if not callable(previous_handler): previous_handler = None def handler(signum, frame): # This following call uses `waitid` with WNOHANG from C side. Therefore, # Python can still get and update the process status successfully. _error_if_any_worker_fails() if previous_handler is not None: previous_handler(signum, frame) signal.signal(signal.SIGCHLD, handler) _SIGCHLD_handler_set = True
Example #3
Source File: dataloader.py From EMANet with GNU General Public License v3.0 | 6 votes |
def _set_SIGCHLD_handler(): # Windows doesn't support SIGCHLD handler if sys.platform == 'win32': return # can't set signal in child threads if not isinstance(threading.current_thread(), threading._MainThread): return global _SIGCHLD_handler_set if _SIGCHLD_handler_set: return previous_handler = signal.getsignal(signal.SIGCHLD) if not callable(previous_handler): previous_handler = None def handler(signum, frame): # This following call uses `waitid` with WNOHANG from C side. Therefore, # Python can still get and update the process status successfully. _error_if_any_worker_fails() if previous_handler is not None: previous_handler(signum, frame) signal.signal(signal.SIGCHLD, handler) _SIGCHLD_handler_set = True
Example #4
Source File: persistent_dataloader.py From PVN3D with MIT License | 6 votes |
def _set_SIGCHLD_handler(): # Windows doesn't support SIGCHLD handler if sys.platform == "win32": return # can't set signal in child threads if not isinstance(threading.current_thread(), threading._MainThread): return global _SIGCHLD_handler_set if _SIGCHLD_handler_set: return previous_handler = signal.getsignal(signal.SIGCHLD) if not callable(previous_handler): previous_handler = None def handler(signum, frame): # This following call uses `waitid` with WNOHANG from C side. Therefore, # Python can still get and update the process status successfully. # C._error_if_any_worker_fails() if previous_handler is not None: previous_handler(signum, frame) signal.signal(signal.SIGCHLD, handler) _SIGCHLD_handler_set = True
Example #5
Source File: persistent_dataloader.py From sanet_relocal_demo with GNU General Public License v3.0 | 6 votes |
def _set_SIGCHLD_handler(): # Windows doesn't support SIGCHLD handler if sys.platform == 'win32': return # can't set signal in child threads if not isinstance(threading.current_thread(), threading._MainThread): return global _SIGCHLD_handler_set if _SIGCHLD_handler_set: return previous_handler = signal.getsignal(signal.SIGCHLD) if not callable(previous_handler): previous_handler = None def handler(signum, frame): # This following call uses `waitid` with WNOHANG from C side. Therefore, # Python can still get and update the process status successfully. # C._error_if_any_worker_fails() if previous_handler is not None: previous_handler(signum, frame) signal.signal(signal.SIGCHLD, handler) _SIGCHLD_handler_set = True
Example #6
Source File: dataloader.py From semantic-segmentation-pytorch with BSD 3-Clause "New" or "Revised" License | 6 votes |
def _set_SIGCHLD_handler(): # Windows doesn't support SIGCHLD handler if sys.platform == 'win32': return # can't set signal in child threads if not isinstance(threading.current_thread(), threading._MainThread): return global _SIGCHLD_handler_set if _SIGCHLD_handler_set: return previous_handler = signal.getsignal(signal.SIGCHLD) if not callable(previous_handler): previous_handler = None def handler(signum, frame): # This following call uses `waitid` with WNOHANG from C side. Therefore, # Python can still get and update the process status successfully. _error_if_any_worker_fails() if previous_handler is not None: previous_handler(signum, frame) signal.signal(signal.SIGCHLD, handler) _SIGCHLD_handler_set = True
Example #7
Source File: Threading.py From Cura with GNU Lesser General Public License v3.0 | 6 votes |
def call_on_qt_thread(func): @functools.wraps(func) def _call_on_qt_thread_wrapper(*args, **kwargs): # If the current thread is the main thread, which is the Qt thread, directly call the function. current_thread = threading.current_thread() if isinstance(current_thread, threading._MainThread): return func(*args, **kwargs) def _handle_call(ico, *args, **kwargs): ico.result = func(*args, **kwargs) ico.finish_event.set() inter_call_object = InterCallObject() new_args = tuple([inter_call_object] + list(args)[:]) CuraApplication.getInstance().callLater(_handle_call, *new_args, **kwargs) inter_call_object.finish_event.wait() return inter_call_object.result return _call_on_qt_thread_wrapper
Example #8
Source File: events.py From Carnets with BSD 3-Clause "New" or "Revised" License | 5 votes |
def get_event_loop(self): """Get the event loop. This may be None or an instance of EventLoop. """ if (self._local._loop is None and not self._local._set_called and isinstance(threading.current_thread(), threading._MainThread)): self.set_event_loop(self.new_event_loop()) if self._local._loop is None: raise RuntimeError('There is no current event loop in thread %r.' % threading.current_thread().name) return self._local._loop
Example #9
Source File: concurrency.py From tensorpack with Apache License 2.0 | 5 votes |
def is_main_thread(): if six.PY2: return isinstance(threading.current_thread(), threading._MainThread) else: # a nicer solution with py3 return threading.current_thread() == threading.main_thread()
Example #10
Source File: _parallel_backends.py From twitter-stock-recommendation with MIT License | 5 votes |
def effective_n_jobs(self, n_jobs): """Determine the number of jobs which are going to run in parallel. This also checks if we are attempting to create a nested parallel loop. """ if mp is None: return 1 if mp.current_process().daemon: # Daemonic processes cannot have children if n_jobs != 1: warnings.warn( 'Multiprocessing-backed parallel loops cannot be nested,' ' setting n_jobs=1', stacklevel=3) return 1 if not isinstance(threading.current_thread(), threading._MainThread): # Prevent posix fork inside in non-main posix threads warnings.warn( 'Multiprocessing-backed parallel loops cannot be nested' ' below threads, setting n_jobs=1', stacklevel=3) return 1 return super(MultiprocessingBackend, self).effective_n_jobs(n_jobs)
Example #11
Source File: events.py From android_universal with MIT License | 5 votes |
def get_event_loop(self): """Get the event loop. This may be None or an instance of EventLoop. """ if (self._local._loop is None and not self._local._set_called and isinstance(threading.current_thread(), threading._MainThread)): self.set_event_loop(self.new_event_loop()) if self._local._loop is None: raise RuntimeError('There is no current event loop in thread %r.' % threading.current_thread().name) return self._local._loop
Example #12
Source File: unix_events.py From android_universal with MIT License | 5 votes |
def set_event_loop(self, loop): """Set the event loop. As a side effect, if a child watcher was set before, then calling .set_event_loop() from the main thread will call .attach_loop(loop) on the child watcher. """ super().set_event_loop(loop) if (self._watcher is not None and isinstance(threading.current_thread(), threading._MainThread)): self._watcher.attach_loop(loop)
Example #13
Source File: unix_events.py From android_universal with MIT License | 5 votes |
def _init_watcher(self): with events._lock: if self._watcher is None: # pragma: no branch self._watcher = SafeChildWatcher() if isinstance(threading.current_thread(), threading._MainThread): self._watcher.attach_loop(self._local._loop)
Example #14
Source File: diaphora.py From diaphora with GNU Affero General Public License v3.0 | 5 votes |
def db_close(self): tid = threading.current_thread().ident if tid in self.dbs_dict: self.dbs_dict[tid].close() del self.dbs_dict[tid] if isinstance(threading.current_thread(), threading._MainThread): self.db.close()
Example #15
Source File: cve_scanner.py From openscap-daemon with GNU Lesser General Public License v2.1 | 5 votes |
def _do_work(self, image_list): from oscap_docker_python.get_cve_input import getInputCVE self.scan_list = image_list cve_get = getInputCVE(self.image_tmp) if self.ac.fetch_cve_url != "": cve_get.url = self.ac.fetch_cve_url if self.ac.fetch_cve: cve_get.fetch_dist_data() threads = [] mnt_dir = tempfile.mkdtemp() for image in image_list: if image in self.cs.dead_cids: raise ImageScannerClientError("Scan not completed. Cannot " "scan the dead " "container {0}".format(image)) cids = self._get_cids_for_image(self.cs, image) t = threading.Thread(target=self.search_containers, name=image, args=(image, cids, self.output, mnt_dir,)) threads.append(t) logging.info("Number of containers to scan: {0}".format(len(threads))) if isinstance(threading.current_thread(), threading._MainThread): signal.signal(signal.SIGINT, self.signal_handler) self.threads_complete = 0 self.cur_scan_threads = 0 while len(threads) > 0: if self.cur_scan_threads < self.procs: new_thread = threads.pop() new_thread.start() self.cur_scan_threads += 1 while self.cur_scan_threads > 0: time.sleep(1) pass os.rmdir(mnt_dir) if self.failed_scan is not None: raise ImageScannerClientError(self.failed_scan) self.output.report_summary()
Example #16
Source File: unix_events.py From Carnets with BSD 3-Clause "New" or "Revised" License | 5 votes |
def _init_watcher(self): with events._lock: if self._watcher is None: # pragma: no branch self._watcher = SafeChildWatcher() if isinstance(threading.current_thread(), threading._MainThread): self._watcher.attach_loop(self._local._loop)
Example #17
Source File: unix_events.py From annotated-py-projects with MIT License | 5 votes |
def _init_watcher(self): with events._lock: # 锁 if self._watcher is None: # pragma: no branch self._watcher = SafeChildWatcher() # 孩子监视器 # 当前线程为主线程 if isinstance(threading.current_thread(), threading._MainThread): self._watcher.attach_loop(self._local._loop) # # 对外接口: 设置事件循环 #
Example #18
Source File: hub.py From robot with MIT License | 5 votes |
def _heartbeat(self): """ 放入线程的产生心跳 """ assert not isinstance(threading.currentThread(), threading._MainThread) while 1: try: self.load_next_request(HeartbeatRequest()) except: pass time.sleep(60)
Example #19
Source File: unix_events.py From Carnets with BSD 3-Clause "New" or "Revised" License | 5 votes |
def set_event_loop(self, loop): """Set the event loop. As a side effect, if a child watcher was set before, then calling .set_event_loop() from the main thread will call .attach_loop(loop) on the child watcher. """ super().set_event_loop(loop) if (self._watcher is not None and isinstance(threading.current_thread(), threading._MainThread)): self._watcher.attach_loop(loop)
Example #20
Source File: diaphora.py From diaphora with GNU Affero General Public License v3.0 | 5 votes |
def open_db(self): db = sqlite3.connect(self.db_name, check_same_thread=True) db.text_factory = str db.row_factory = sqlite3.Row tid = threading.current_thread().ident self.dbs_dict[tid] = db if isinstance(threading.current_thread(), threading._MainThread): self.db = db self.create_schema() db.execute("analyze")
Example #21
Source File: tornadohttpclient.py From robot with MIT License | 5 votes |
def _fetch(self, request, callback, kwargs, delay): if isinstance(threading.currentThread(), threading._MainThread): raise threading.ThreadError, "Can't run this function in _MainThread" time.sleep(delay) self.fetch(request, callback, **kwargs)
Example #22
Source File: events.py From odoo13-x64 with GNU General Public License v3.0 | 5 votes |
def get_event_loop(self): """Get the event loop for the current context. Returns an instance of EventLoop or raises an exception. """ if (self._local._loop is None and not self._local._set_called and isinstance(threading.current_thread(), threading._MainThread)): self.set_event_loop(self.new_event_loop()) if self._local._loop is None: raise RuntimeError('There is no current event loop in thread %r.' % threading.current_thread().name) return self._local._loop
Example #23
Source File: unix_events.py From odoo13-x64 with GNU General Public License v3.0 | 5 votes |
def set_event_loop(self, loop): """Set the event loop. As a side effect, if a child watcher was set before, then calling .set_event_loop() from the main thread will call .attach_loop(loop) on the child watcher. """ super().set_event_loop(loop) if (self._watcher is not None and isinstance(threading.current_thread(), threading._MainThread)): self._watcher.attach_loop(loop)
Example #24
Source File: unix_events.py From odoo13-x64 with GNU General Public License v3.0 | 5 votes |
def _init_watcher(self): with events._lock: if self._watcher is None: # pragma: no branch self._watcher = SafeChildWatcher() if isinstance(threading.current_thread(), threading._MainThread): self._watcher.attach_loop(self._local._loop)
Example #25
Source File: events.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
def get_event_loop(self): """Get the event loop. This may be None or an instance of EventLoop. """ if (self._local._loop is None and not self._local._set_called and isinstance(threading.current_thread(), threading._MainThread)): self.set_event_loop(self.new_event_loop()) if self._local._loop is None: raise RuntimeError('There is no current event loop in thread %r.' % threading.current_thread().name) return self._local._loop
Example #26
Source File: unix_events.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
def set_event_loop(self, loop): """Set the event loop. As a side effect, if a child watcher was set before, then calling .set_event_loop() from the main thread will call .attach_loop(loop) on the child watcher. """ super().set_event_loop(loop) if self._watcher is not None and \ isinstance(threading.current_thread(), threading._MainThread): self._watcher.attach_loop(loop)
Example #27
Source File: unix_events.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
def _init_watcher(self): with events._lock: if self._watcher is None: # pragma: no branch self._watcher = SafeChildWatcher() if isinstance(threading.current_thread(), threading._MainThread): self._watcher.attach_loop(self._local._loop)
Example #28
Source File: _parallel_backends.py From Splunking-Crime with GNU Affero General Public License v3.0 | 5 votes |
def effective_n_jobs(self, n_jobs): """Determine the number of jobs which are going to run in parallel. This also checks if we are attempting to create a nested parallel loop. """ if mp is None: return 1 if mp.current_process().daemon: # Daemonic processes cannot have children if n_jobs != 1: warnings.warn( 'Multiprocessing-backed parallel loops cannot be nested,' ' setting n_jobs=1', stacklevel=3) return 1 if not isinstance(threading.current_thread(), threading._MainThread): # Prevent posix fork inside in non-main posix threads warnings.warn( 'Multiprocessing-backed parallel loops cannot be nested' ' below threads, setting n_jobs=1', stacklevel=3) return 1 return super(MultiprocessingBackend, self).effective_n_jobs(n_jobs)
Example #29
Source File: events.py From annotated-py-projects with MIT License | 5 votes |
def get_event_loop(self): """Get the event loop. This may be None or an instance of EventLoop. """ if (self._local._loop is None and not self._local._set_called and isinstance(threading.current_thread(), threading._MainThread)): self.set_event_loop(self.new_event_loop()) if self._local._loop is None: raise RuntimeError('There is no current event loop in thread %r.' % threading.current_thread().name) return self._local._loop
Example #30
Source File: unix_events.py From annotated-py-projects with MIT License | 5 votes |
def set_event_loop(self, loop): """Set the event loop. As a side effect, if a child watcher was set before, then calling .set_event_loop() from the main thread will call .attach_loop(loop) on the child watcher. """ super().set_event_loop(loop) # 当前线程为主线程 if self._watcher is not None and \ isinstance(threading.current_thread(), threading._MainThread): self._watcher.attach_loop(loop)