python类gettrace()的实例源码

test_sys_settrace.py 文件源码 项目:zippy 作者: securesystemslab 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def test_set_and_retrieve_func(self):
        def fn(*args):
            pass

        sys.settrace(fn)
        try:
            assert sys.gettrace() is fn
        finally:
            sys.settrace(None)
test_sys_settrace.py 文件源码 项目:oil 作者: oilshell 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def test_set_and_retrieve_none(self):
        sys.settrace(None)
        assert sys.gettrace() is None
test_sys_settrace.py 文件源码 项目:oil 作者: oilshell 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def test_set_and_retrieve_func(self):
        def fn(*args):
            pass

        sys.settrace(fn)
        try:
            assert sys.gettrace() is fn
        finally:
            sys.settrace(None)
test_threading.py 文件源码 项目:oil 作者: oilshell 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def test_frame_tstate_tracing(self):
        # Issue #14432: Crash when a generator is created in a C thread that is
        # destroyed while the generator is still used. The issue was that a
        # generator contains a frame, and the frame kept a reference to the
        # Python state of the destroyed C thread. The crash occurs when a trace
        # function is setup.

        def noop_trace(frame, event, arg):
            # no operation
            return noop_trace

        def generator():
            while 1:
                yield "generator"

        def callback():
            if callback.gen is None:
                callback.gen = generator()
            return next(callback.gen)
        callback.gen = None

        old_trace = sys.gettrace()
        sys.settrace(noop_trace)
        try:
            # Install a trace function
            threading.settrace(noop_trace)

            # Create a generator in a C thread which exits after the call
            _testcapi.call_in_temporary_c_thread(callback)

            # Call the generator in a different Python thread, check that the
            # generator didn't keep a reference to the destroyed thread state
            for test in range(3):
                # The trace function is still called here
                callback()
        finally:
            sys.settrace(old_trace)
test_sys_settrace.py 文件源码 项目:python2-tracer 作者: extremecoders-re 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def test_set_and_retrieve_none(self):
        sys.settrace(None)
        assert sys.gettrace() is None
test_sys_settrace.py 文件源码 项目:python2-tracer 作者: extremecoders-re 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def test_set_and_retrieve_func(self):
        def fn(*args):
            pass

        sys.settrace(fn)
        try:
            assert sys.gettrace() is fn
        finally:
            sys.settrace(None)
test_threading.py 文件源码 项目:python2-tracer 作者: extremecoders-re 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def test_frame_tstate_tracing(self):
        # Issue #14432: Crash when a generator is created in a C thread that is
        # destroyed while the generator is still used. The issue was that a
        # generator contains a frame, and the frame kept a reference to the
        # Python state of the destroyed C thread. The crash occurs when a trace
        # function is setup.

        def noop_trace(frame, event, arg):
            # no operation
            return noop_trace

        def generator():
            while 1:
                yield "generator"

        def callback():
            if callback.gen is None:
                callback.gen = generator()
            return next(callback.gen)
        callback.gen = None

        old_trace = sys.gettrace()
        sys.settrace(noop_trace)
        try:
            # Install a trace function
            threading.settrace(noop_trace)

            # Create a generator in a C thread which exits after the call
            _testcapi.call_in_temporary_c_thread(callback)

            # Call the generator in a different Python thread, check that the
            # generator didn't keep a reference to the destroyed thread state
            for test in range(3):
                # The trace function is still called here
                callback()
        finally:
            sys.settrace(old_trace)
support.py 文件源码 项目:packaging 作者: blockstack 项目源码 文件源码 阅读 30 收藏 0 点赞 0 评论 0
def no_tracing(func):
    """Decorator to temporarily turn off tracing for the duration of a test."""
    if not hasattr(sys, 'gettrace'):
        return func
    else:
        @functools.wraps(func)
        def wrapper(*args, **kwargs):
            original_trace = sys.gettrace()
            try:
                sys.settrace(None)
                return func(*args, **kwargs)
            finally:
                sys.settrace(original_trace)
        return wrapper
debug.py 文件源码 项目:ml-utils 作者: LinxiFan 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def __init__(self, run=True, *, _frame=1):
        """
        set _frame to 2 if you are inherting from ConditionalBlock and
        __enter__() is nested. Set _frame to N+1 for N levels of nesting.
        See `DebugBlock.__enter__`
        """
        self.run = run
        self.old_sys_trace = sys.gettrace()
        self._frame = _frame
support.py 文件源码 项目:islam-buddy 作者: hamir 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def no_tracing(func):
    """Decorator to temporarily turn off tracing for the duration of a test."""
    if not hasattr(sys, 'gettrace'):
        return func
    else:
        @functools.wraps(func)
        def wrapper(*args, **kwargs):
            original_trace = sys.gettrace()
            try:
                sys.settrace(None)
                return func(*args, **kwargs)
            finally:
                sys.settrace(original_trace)
        return wrapper
test_pdb.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def __enter__(self):
        self.real_stdin = sys.stdin
        sys.stdin = _FakeInput(self.input)
        self.orig_trace = sys.gettrace() if hasattr(sys, 'gettrace') else None
test_scope.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def testLocalsClass_WithTrace(self):
        # Issue23728: after the trace function returns, the locals()
        # dictionary is used to update all variables, this used to
        # include free variables. But in class statements, free
        # variables are not inserted...
        import sys
        self.addCleanup(sys.settrace, sys.gettrace())
        sys.settrace(lambda a,b,c:None)
        x = 12

        class C:
            def f(self):
                return x

        self.assertEqual(x, 12) # Used to raise UnboundLocalError
regrtest.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def get_sys_gettrace(self):
        return sys.gettrace()
__init__.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def no_tracing(func):
    """Decorator to temporarily turn off tracing for the duration of a test."""
    if not hasattr(sys, 'gettrace'):
        return func
    else:
        @functools.wraps(func)
        def wrapper(*args, **kwargs):
            original_trace = sys.gettrace()
            try:
                sys.settrace(None)
                return func(*args, **kwargs)
            finally:
                sys.settrace(original_trace)
        return wrapper
test_sys_settrace.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def test_set_and_retrieve_none(self):
        sys.settrace(None)
        assert sys.gettrace() is None
test_sys_settrace.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def test_set_and_retrieve_func(self):
        def fn(*args):
            pass

        sys.settrace(fn)
        try:
            assert sys.gettrace() is fn
        finally:
            sys.settrace(None)
test_sys_settrace.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def setUp(self):
        self.addCleanup(sys.settrace, sys.gettrace())
test_sys_settrace.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def test_exception_arguments(self):
        def f():
            x = 0
            # this should raise an error
            x.no_such_attr
        def g(frame, event, arg):
            if (event == 'exception'):
                type, exception, trace = arg
                self.assertIsInstance(exception, Exception)
            return g

        existing = sys.gettrace()
        try:
            sys.settrace(g)
            try:
                f()
            except AttributeError:
                # this is expected
                pass
        finally:
            sys.settrace(existing)


# 'Jump' tests: assigning to frame.f_lineno within a trace function
# moves the execution position - it's how debuggers implement a Jump
# command (aka. "Set next statement").
test_sys_settrace.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def setUp(self):
        self.addCleanup(sys.settrace, sys.gettrace())
        sys.settrace(None)
test_trace.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def setUp(self):
        self.my_py_filename = fix_ext_py(__file__)
        self.addCleanup(sys.settrace, sys.gettrace())


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