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Python gc.disable方法代码示例

本文整理汇总了Python中gc.disable方法的典型用法代码示例。如果您正苦于以下问题:Python gc.disable方法的具体用法?Python gc.disable怎么用?Python gc.disable使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在gc的用法示例。


在下文中一共展示了gc.disable方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: timeit

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def timeit(self, number=default_number):
        """Time 'number' executions of the main statement.

        To be precise, this executes the setup statement once, and
        then returns the time it takes to execute the main statement
        a number of times, as a float measured in seconds.  The
        argument is the number of times through the loop, defaulting
        to one million.  The main statement, the setup statement and
        the timer function to be used are passed to the constructor.
        """
        it = itertools.repeat(None, number)
        gcold = gc.isenabled()
        gc.disable()
        try:
            timing = self.inner(it, self.timer)
        finally:
            if gcold:
                gc.enable()
        return timing 
开发者ID:war-and-code,项目名称:jawfish,代码行数:21,代码来源:timeit.py

示例2: _assert_valid_refcount

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def _assert_valid_refcount(op):
    """
    Check that ufuncs don't mishandle refcount of object `1`.
    Used in a few regression tests.
    """
    if not HAS_REFCOUNT:
        return True
    import numpy as np, gc

    b = np.arange(100*100).reshape(100, 100)
    c = b
    i = 1

    gc.disable()
    try:
        rc = sys.getrefcount(i)
        for j in range(15):
            d = op(b, c)
        assert_(sys.getrefcount(i) >= rc)
    finally:
        gc.enable()
    del d  # for pyflakes 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:24,代码来源:utils.py

示例3: timeit

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def timeit(self, number=default_number):
        """Time 'number' executions of the main statement.

        To be precise, this executes the setup statement once, and
        then returns the time it takes to execute the main statement
        a number of times, as a float measured in seconds.  The
        argument is the number of times through the loop, defaulting
        to one million.  The main statement, the setup statement and
        the timer function to be used are passed to the constructor.
        """
        if itertools:
            it = itertools.repeat(None, number)
        else:
            it = [None] * number
        gcold = gc.isenabled()
        gc.disable()
        timing = self.inner(it, self.timer)
        if gcold:
            gc.enable()
        return timing 
开发者ID:glmcdona,项目名称:meddle,代码行数:22,代码来源:timeit.py

示例4: test_load_refcount

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def test_load_refcount():
    # Check that objects returned by np.load are directly freed based on
    # their refcount, rather than needing the gc to collect them.

    f = BytesIO()
    np.savez(f, [1, 2, 3])
    f.seek(0)

    assert_(gc.isenabled())
    gc.disable()
    try:
        gc.collect()
        np.load(f)
        # gc.collect returns the number of unreachable objects in cycles that
        # were found -- we are checking that no cycles were created by np.load
        n_objects_in_cycles = gc.collect()
    finally:
        gc.enable()
    assert_equal(n_objects_in_cycles, 0) 
开发者ID:ryfeus,项目名称:lambda-packs,代码行数:21,代码来源:test_io.py

示例5: test_circular_references

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def test_circular_references(sentry_init, request):
    sentry_init(default_integrations=False, integrations=[ThreadingIntegration()])

    gc.collect()
    gc.disable()
    request.addfinalizer(gc.enable)

    class MyThread(Thread):
        def run(self):
            pass

    t = MyThread()
    t.start()
    t.join()
    del t

    assert not gc.collect() 
开发者ID:getsentry,项目名称:sentry-python,代码行数:19,代码来源:test_threading.py

示例6: timeit

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def timeit(self, number=default_number):
        """Time 'number' executions of the main statement.

        To be precise, this executes the setup statement once, and
        then returns the time it takes to execute the main statement
        a number of times, as a float measured in seconds.  The
        argument is the number of times through the loop, defaulting
        to one million.  The main statement, the setup statement and
        the timer function to be used are passed to the constructor.
        """
        if itertools:
            it = itertools.repeat(None, number)
        else:
            it = [None] * number
        gcold = gc.isenabled()
        gc.disable()
        try:
            timing = self.inner(it, self.timer)
        finally:
            if gcold:
                gc.enable()
        return timing 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:24,代码来源:timeit.py

示例7: sig_vtalrm

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def sig_vtalrm(self, *args):
        self.hndl_called = True

        if self.hndl_count > 3:
            # it shouldn't be here, because it should have been disabled.
            raise signal.ItimerError("setitimer didn't disable ITIMER_VIRTUAL "
                "timer.")
        elif self.hndl_count == 3:
            # disable ITIMER_VIRTUAL, this function shouldn't be called anymore
            signal.setitimer(signal.ITIMER_VIRTUAL, 0)
            if test_support.verbose:
                print("last SIGVTALRM handler call")

        self.hndl_count += 1

        if test_support.verbose:
            print("SIGVTALRM handler invoked", args) 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:19,代码来源:test_signal.py

示例8: test_del_newclass

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def test_del_newclass(self):
        # __del__ methods can trigger collection, make this to happen
        thresholds = gc.get_threshold()
        gc.enable()
        gc.set_threshold(1)

        class A(object):
            def __del__(self):
                dir(self)
        a = A()
        del a

        gc.disable()
        gc.set_threshold(*thresholds)

    # The following two tests are fragile:
    # They precisely count the number of allocations,
    # which is highly implementation-dependent.
    # For example:
    # - disposed tuples are not freed, but reused
    # - the call to assertEqual somehow avoids building its args tuple 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:23,代码来源:test_gc.py

示例9: test_free_from_gc

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def test_free_from_gc(self):
        # Check that freeing of blocks by the garbage collector doesn't deadlock
        # (issue #12352).
        # Make sure the GC is enabled, and set lower collection thresholds to
        # make collections more frequent (and increase the probability of
        # deadlock).
        if not gc.isenabled():
            gc.enable()
            self.addCleanup(gc.disable)
        thresholds = gc.get_threshold()
        self.addCleanup(gc.set_threshold, *thresholds)
        gc.set_threshold(10)

        # perform numerous block allocations, with cyclic references to make
        # sure objects are collected asynchronously by the gc
        for i in range(5000):
            a = multiprocessing.heap.BufferWrapper(1)
            b = multiprocessing.heap.BufferWrapper(1)
            # circular references
            a.buddy = b
            b.buddy = a

#
#
# 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:27,代码来源:test_multiprocessing.py

示例10: test_main

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def test_main():
    enabled = gc.isenabled()
    gc.disable()
    assert not gc.isenabled()
    debug = gc.get_debug()
    gc.set_debug(debug & ~gc.DEBUG_LEAK) # this test is supposed to leak

    try:
        gc.collect() # Delete 2nd generation garbage
        run_unittest(GCTests, GCTogglingTests)
    finally:
        gc.set_debug(debug)
        # test gc.enable() even if GC is disabled by default
        if verbose:
            print "restoring automatic collection"
        # make sure to always test gc.enable()
        gc.enable()
        assert gc.isenabled()
        if not enabled:
            gc.disable() 
开发者ID:dxwu,项目名称:BinderFilter,代码行数:22,代码来源:test_gc.py

示例11: load_parser

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def load_parser(self, path, original_changed_time):
        try:
            pickle_changed_time = self._index[path]
        except KeyError:
            return None
        if original_changed_time is not None \
                and pickle_changed_time < original_changed_time:
            # the pickle file is outdated
            return None

        with open(self._get_hashed_path(path), 'rb') as f:
            try:
                gc.disable()
                parser_cache_item = pickle.load(f)
            finally:
                gc.enable()

        debug.dbg('pickle loaded: %s', path)
        parser_cache[path] = parser_cache_item
        return parser_cache_item.parser 
开发者ID:ktraunmueller,项目名称:Computable,代码行数:22,代码来源:cache.py

示例12: childConnectionLost

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def childConnectionLost(self, childFD):
        """
        Similarly to L{childDataReceived}, disable the automatic dispatch
        provided by the base implementation to verify that the transport is
        calling this method directly.
        """
        if childFD == 1:
            self.stages.append(2)
            if self.data != b"abcd":
                raise RuntimeError(
                    "Data was %r instead of 'abcd'" % (self.data,))
            self.transport.write(b"1234")
        elif childFD == 2:
            self.stages.append(3)
            if self.err != b"1234":
                raise RuntimeError(
                    "Err was %r instead of '1234'" % (self.err,))
            self.transport.write(b"abcd")
            self.stages.append(4)
        elif childFD == 0:
            self.stages.append(5) 
开发者ID:proxysh,项目名称:Safejumper-for-Desktop,代码行数:23,代码来源:test_process.py

示例13: setUp

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def setUp(self):
        """
        Replace L{process} os, fcntl, sys, switchUID, fdesc and pty modules
        with the mock class L{MockOS}.
        """
        if gc.isenabled():
            self.addCleanup(gc.enable)
        else:
            self.addCleanup(gc.disable)
        self.mockos = MockOS()
        self.mockos.euid = 1236
        self.mockos.egid = 1234
        self.patch(process, "os", self.mockos)
        self.patch(process, "fcntl", self.mockos)
        self.patch(process, "sys", self.mockos)
        self.patch(process, "switchUID", self.mockos.switchUID)
        self.patch(process, "fdesc", self.mockos)
        self.patch(process.Process, "processReaderFactory", DumbProcessReader)
        self.patch(process.Process, "processWriterFactory", DumbProcessWriter)
        self.patch(process, "pty", self.mockos)

        self.mocksig = MockSignal()
        self.patch(process, "signal", self.mocksig) 
开发者ID:proxysh,项目名称:Safejumper-for-Desktop,代码行数:25,代码来源:test_process.py

示例14: host_memory_usage_in_gb

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def host_memory_usage_in_gb():
    gc.collect()
    gc.disable() # Avoids accessing gc'd objects during traversal.
    objects = gc.get_objects()
    tensors = [obj for obj in objects if torch.is_tensor(obj)] # Debug
    host_tensors = [t for t in tensors if not t.is_cuda]
    total_mem_mb = 0
    visited_data = []

    for tensor in host_tensors:
        if tensor.is_sparse:
            continue
        # a data_ptr indicates a memory block allocated
        data_ptr = tensor.storage().data_ptr()
        if data_ptr in visited_data:
            continue
        visited_data.append(data_ptr)

        numel = tensor.storage().size()
        element_size = tensor.storage().element_size()
        mem_mb = numel*element_size /1024/1024 # 32bit=4Byte, MByte
        total_mem_mb += mem_mb

    gc.enable()
    return total_mem_mb / 1024 # in 
开发者ID:facebookresearch,项目名称:fastMRI,代码行数:27,代码来源:utils.py

示例15: _exitfunc

# 需要导入模块: import gc [as 别名]
# 或者: from gc import disable [as 别名]
def _exitfunc(cls):
        # At shutdown invoke finalizers for which atexit is true.
        # This is called once all other non-daemonic threads have been
        # joined.
        reenable_gc = False
        try:
            if cls._registry:
                import gc
                if gc.isenabled():
                    reenable_gc = True
                    gc.disable()
                pending = None
                while True:
                    if pending is None or finalize._dirty:
                        pending = cls._select_for_exit()
                        finalize._dirty = False
                    if not pending:
                        break
                    f = pending.pop()
                    try:
                        # gc is disabled, so (assuming no daemonic
                        # threads) the following is the only line in
                        # this function which might trigger creation
                        # of a new finalizer
                        f()
                    except Exception:
                        sys.excepthook(*sys.exc_info())
                    assert f not in cls._registry
        finally:
            # prevent any more finalizers from executing during shutdown
            finalize._shutdown = True
            if reenable_gc:
                gc.enable() 
开发者ID:kislyuk,项目名称:aegea,代码行数:35,代码来源:weakref.py


注:本文中的gc.disable方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。