sys.getcheckinterval

Here are the examples of the python api sys.getcheckinterval taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.

27 Examples 7

Example 1

Project: pyfilesystem
Source File: __init__.py
View license
    def _runThreads(self, *funcs):
        check_interval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            errors = []
            threads = [self._makeThread(f, errors) for f in funcs]
            for t in threads:
                t.start()
            for t in threads:
                t.join()
            for (c, e, t) in errors:
                raise e, None, t
        finally:
            sys.setcheckinterval(check_interval)

Example 2

Project: pymo
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 3

Project: threading2
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertFalse(t in l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 4

Project: imagrium
Source File: test_threading.py
View license
    @unittest.skipIf(is_jython, "Does not apply to Jython")
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 5

Project: babble
Source File: test_threading.py
View license
    def na_for_jython_test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            for i in xrange(1, 1000):
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertFalse(t in l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 6

Project: YouCompleteMe-x64
Source File: test_futures.py
View license
    def test_pending_calls_race(self):
        # Issue #14406: multi-threaded race condition when waiting on all
        # futures.
        event = threading.Event()
        def future_func():
            event.wait()
        oldswitchinterval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            fs = set(self.executor.submit(future_func) for i in range(100))
            event.set()
            futures.wait(fs, return_when=futures.ALL_COMPLETED)
        finally:
            sys.setcheckinterval(oldswitchinterval)

Example 7

Project: YouCompleteMe-x86
Source File: test_futures.py
View license
    def test_pending_calls_race(self):
        # Issue #14406: multi-threaded race condition when waiting on all
        # futures.
        event = threading.Event()
        def future_func():
            event.wait()
        oldswitchinterval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            fs = set(self.executor.submit(future_func) for i in range(100))
            event.set()
            futures.wait(fs, return_when=futures.ALL_COMPLETED)
        finally:
            sys.setcheckinterval(oldswitchinterval)

Example 8

Project: YouCompleteMe
Source File: test_futures.py
View license
    def test_pending_calls_race(self):
        # Issue #14406: multi-threaded race condition when waiting on all
        # futures.
        event = threading.Event()
        def future_func():
            event.wait()
        oldswitchinterval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            fs = set(self.executor.submit(future_func) for i in range(100))
            event.set()
            futures.wait(fs, return_when=futures.ALL_COMPLETED)
        finally:
            sys.setcheckinterval(oldswitchinterval)

Example 9

Project: YCM_WIN_X86
Source File: test_futures.py
View license
    def test_pending_calls_race(self):
        # Issue #14406: multi-threaded race condition when waiting on all
        # futures.
        event = threading.Event()
        def future_func():
            event.wait()
        oldswitchinterval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            fs = set(self.executor.submit(future_func) for i in range(100))
            event.set()
            futures.wait(fs, return_when=futures.ALL_COMPLETED)
        finally:
            sys.setcheckinterval(oldswitchinterval)

Example 10

Project: chipsec
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 11

Project: web-page-replay
Source File: httparchive.py
View license
  def Persist(self, filename):
    """Persist all state to filename."""
    try:
      original_checkinterval = sys.getcheckinterval()
      sys.setcheckinterval(2**31-1)  # Lock out other threads so nothing can
                                     # modify |self| during pickling.
      pickled_self = cPickle.dumps(self, cPickle.HIGHEST_PROTOCOL)
    finally:
      sys.setcheckinterval(original_checkinterval)
    with open(filename, 'wb') as f:
      f.write(pickled_self)

Example 12

Project: pythonfutures
Source File: test_futures.py
View license
    def test_pending_calls_race(self):
        # Issue #14406: multi-threaded race condition when waiting on all
        # futures.
        event = threading.Event()
        def future_func():
            event.wait()
        oldswitchinterval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            fs = set(self.executor.submit(future_func) for i in range(100))
            event.set()
            futures.wait(fs, return_when=futures.ALL_COMPLETED)
        finally:
            sys.setcheckinterval(oldswitchinterval)

Example 13

Project: datafari
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 14

Project: openwrt-mt7620
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 15

Project: openwrt-mt7620
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 16

View license
    def test_pending_calls_race(self):
        # Issue #14406: multi-threaded race condition when waiting on all
        # futures.
        event = threading.Event()
        def future_func():
            event.wait()
        oldswitchinterval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            fs = set(self.executor.submit(future_func) for i in range(100))
            event.set()
            futures.wait(fs, return_when=futures.ALL_COMPLETED)
        finally:
            sys.setcheckinterval(oldswitchinterval)

Example 17

Project: neuroConstruct
Source File: test_threading.py
View license
    @unittest.skipIf(is_jython, "Does not apply to Jython")
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 18

Project: neuroConstruct
Source File: test_threading.py
View license
    @unittest.skipIf(is_jython, "Does not apply to Jython")
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 19

Project: medicare-demo
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        sys.setcheckinterval(1)
        try:
            for i in xrange(1, 1000):
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertFalse(t in l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 20

Project: PyAutoC
Source File: test_threading.py
View license
    def test_enumerate_after_join(self):
        # Try hard to trigger #1703448: a thread is still returned in
        # threading.enumerate() after it has been join()ed.
        enum = threading.enumerate
        old_interval = sys.getcheckinterval()
        try:
            for i in xrange(1, 100):
                # Try a couple times at each thread-switching interval
                # to get more interleavings.
                sys.setcheckinterval(i // 5)
                t = threading.Thread(target=lambda: None)
                t.start()
                t.join()
                l = enum()
                self.assertNotIn(t, l,
                    "#1703448 triggered after %d trials: %s" % (i, l))
        finally:
            sys.setcheckinterval(old_interval)

Example 21

Project: pyfilesystem
Source File: test_remote.py
View license
    def setUp(self):
        self._check_interval = sys.getcheckinterval()
        sys.setcheckinterval(10)
        self.wrapped_fs = TempFS()
        self.fs = CacheFS(self.wrapped_fs,cache_timeout=0.01)

Example 22

Project: pyfilesystem
Source File: test_remote.py
View license
    def setUp(self):
        self._check_interval = sys.getcheckinterval()
        sys.setcheckinterval(10)
        self.fs = ConnectionManagerFS(TempFS())

Example 23

Project: pyfilesystem
Source File: test_remote.py
View license
    def setUp(self):
        self._check_interval = sys.getcheckinterval()
        sys.setcheckinterval(10)
        c_fs = ConnectionManagerFS(DisconnectingFS,poll_interval=0.1)
        self.fs = DisconnectRecoveryFS(c_fs)

Example 24

Project: datafari
Source File: test_gc.py
View license
    @unittest.skipUnless(threading, "test meaningless on builds without threads")
    def test_trashcan_threads(self):
        # Issue #13992: trashcan mechanism should be thread-safe
        NESTING = 60
        N_THREADS = 2

        def sleeper_gen():
            """A generator that releases the GIL when closed or dealloc'ed."""
            try:
                yield
            finally:
                time.sleep(0.000001)

        class C(list):
            # Appending to a list is atomic, which avoids the use of a lock.
            inits = []
            dels = []
            def __init__(self, alist):
                self[:] = alist
                C.inits.append(None)
            def __del__(self):
                # This __del__ is called by subtype_dealloc().
                C.dels.append(None)
                # `g` will release the GIL when garbage-collected.  This
                # helps assert subtype_dealloc's behaviour when threads
                # switch in the middle of it.
                g = sleeper_gen()
                next(g)
                # Now that __del__ is finished, subtype_dealloc will proceed
                # to call list_dealloc, which also uses the trashcan mechanism.

        def make_nested():
            """Create a sufficiently nested container object so that the
            trashcan mechanism is invoked when deallocating it."""
            x = C([])
            for i in range(NESTING):
                x = [C([x])]
            del x

        def run_thread():
            """Exercise make_nested() in a loop."""
            while not exit:
                make_nested()

        old_checkinterval = sys.getcheckinterval()
        sys.setcheckinterval(3)
        try:
            exit = []
            threads = []
            for i in range(N_THREADS):
                t = threading.Thread(target=run_thread)
                threads.append(t)
            with start_threads(threads, lambda: exit.append(1)):
                time.sleep(1.0)
        finally:
            sys.setcheckinterval(old_checkinterval)
        gc.collect()
        self.assertEqual(len(C.inits), len(C.dels))

Example 25

Project: datafari
Source File: test_threading.py
View license
    @unittest.skipUnless(hasattr(os, 'fork'), "needs os.fork()")
    def test_is_alive_after_fork(self):
        # Try hard to trigger #18418: is_alive() could sometimes be True on
        # threads that vanished after a fork.
        old_interval = sys.getcheckinterval()

        # Make the bug more likely to manifest.
        sys.setcheckinterval(10)

        try:
            for i in range(20):
                t = threading.Thread(target=lambda: None)
                t.start()
                pid = os.fork()
                if pid == 0:
                    os._exit(1 if t.is_alive() else 0)
                else:
                    t.join()
                    pid, status = os.waitpid(pid, 0)
                    self.assertEqual(0, status)
        finally:
            sys.setcheckinterval(old_interval)

Example 26

Project: neuroConstruct
Source File: test_gc.py
View license
    @unittest.skipUnless(threading, "test meaningless on builds without threads")
    def test_trashcan_threads(self):
        # Issue #13992: trashcan mechanism should be thread-safe
        NESTING = 60
        N_THREADS = 2

        def sleeper_gen():
            """A generator that releases the GIL when closed or dealloc'ed."""
            try:
                yield
            finally:
                time.sleep(0.000001)

        class C(list):
            # Appending to a list is atomic, which avoids the use of a lock.
            inits = []
            dels = []
            def __init__(self, alist):
                self[:] = alist
                C.inits.append(None)
            def __del__(self):
                # This __del__ is called by subtype_dealloc().
                C.dels.append(None)
                # `g` will release the GIL when garbage-collected.  This
                # helps assert subtype_dealloc's behaviour when threads
                # switch in the middle of it.
                g = sleeper_gen()
                next(g)
                # Now that __del__ is finished, subtype_dealloc will proceed
                # to call list_dealloc, which also uses the trashcan mechanism.

        def make_nested():
            """Create a sufficiently nested container object so that the
            trashcan mechanism is invoked when deallocating it."""
            x = C([])
            for i in range(NESTING):
                x = [C([x])]
            del x

        def run_thread():
            """Exercise make_nested() in a loop."""
            while not exit:
                make_nested()

        old_checkinterval = sys.getcheckinterval()
        sys.setcheckinterval(3)
        try:
            exit = False
            threads = []
            for i in range(N_THREADS):
                t = threading.Thread(target=run_thread)
                threads.append(t)
            for t in threads:
                t.start()
            time.sleep(1.0)
            exit = True
            for t in threads:
                t.join()
        finally:
            sys.setcheckinterval(old_checkinterval)
        gc.collect()
        self.assertEqual(len(C.inits), len(C.dels))

Example 27

Project: neuroConstruct
Source File: test_gc.py
View license
    @unittest.skipUnless(threading, "test meaningless on builds without threads")
    def test_trashcan_threads(self):
        # Issue #13992: trashcan mechanism should be thread-safe
        NESTING = 60
        N_THREADS = 2

        def sleeper_gen():
            """A generator that releases the GIL when closed or dealloc'ed."""
            try:
                yield
            finally:
                time.sleep(0.000001)

        class C(list):
            # Appending to a list is atomic, which avoids the use of a lock.
            inits = []
            dels = []
            def __init__(self, alist):
                self[:] = alist
                C.inits.append(None)
            def __del__(self):
                # This __del__ is called by subtype_dealloc().
                C.dels.append(None)
                # `g` will release the GIL when garbage-collected.  This
                # helps assert subtype_dealloc's behaviour when threads
                # switch in the middle of it.
                g = sleeper_gen()
                next(g)
                # Now that __del__ is finished, subtype_dealloc will proceed
                # to call list_dealloc, which also uses the trashcan mechanism.

        def make_nested():
            """Create a sufficiently nested container object so that the
            trashcan mechanism is invoked when deallocating it."""
            x = C([])
            for i in range(NESTING):
                x = [C([x])]
            del x

        def run_thread():
            """Exercise make_nested() in a loop."""
            while not exit:
                make_nested()

        old_checkinterval = sys.getcheckinterval()
        sys.setcheckinterval(3)
        try:
            exit = False
            threads = []
            for i in range(N_THREADS):
                t = threading.Thread(target=run_thread)
                threads.append(t)
            for t in threads:
                t.start()
            time.sleep(1.0)
            exit = True
            for t in threads:
                t.join()
        finally:
            sys.setcheckinterval(old_checkinterval)
        gc.collect()
        self.assertEqual(len(C.inits), len(C.dels))