def setUp(self):
sys.setprofile(None)
python类setprofile()的实例源码
def tearDown(self):
sys.setprofile(None)
def callback(self, frame, event, arg):
# Callback registered with sys.setprofile()/sys.settrace()
self.dispatch[event](self, frame)
def capture_events(callable, p=None):
if p is None:
p = HookWatcher()
# Disable the garbage collector. This prevents __del__s from showing up in
# traces.
old_gc = gc.isenabled()
gc.disable()
try:
sys.setprofile(p.callback)
protect(callable, p)
sys.setprofile(None)
finally:
if old_gc:
gc.enable()
return p.get_events()[1:-1]
def setprofile(func):
"""Set a profile function for all threads started from the threading module.
The func will be passed to sys.setprofile() for each thread, before its
run() method is called.
"""
global _profile_hook
_profile_hook = func
def Start(self):
sys.setprofile(self.OnEvent)
def Stop(self, path):
sys.setprofile(None)
# Only one process should write out the file!
if os.getpid() != self.pid:
return
# TODO:
# - report number of events?
# - report number of bytes?
print >>sys.stderr, 'num_events: %d' % self.num_events
print >>sys.stderr, 'Writing to %r' % path
with open(path, 'w') as f:
f.write(self.event_strs.getvalue())
def runctx(self, cmd, globals, locals):
self.set_cmd(cmd)
sys.setprofile(self.dispatcher)
try:
exec cmd in globals, locals
finally:
sys.setprofile(None)
return self
# This method is more useful to profile a single function call.
def test_getdefaultencoding(self):
if test.test_support.have_unicode:
self.assertRaises(TypeError, sys.getdefaultencoding, 42)
# can't check more than the type, as the user might have changed it
self.assertIsInstance(sys.getdefaultencoding(), str)
# testing sys.settrace() is done in test_sys_settrace.py
# testing sys.setprofile() is done in test_sys_setprofile.py
def setUp(self):
sys.setprofile(None)
def tearDown(self):
sys.setprofile(None)
def callback(self, frame, event, arg):
# Callback registered with sys.setprofile()/sys.settrace()
self.dispatch[event](self, frame)
def capture_events(callable, p=None):
if p is None:
p = HookWatcher()
# Disable the garbage collector. This prevents __del__s from showing up in
# traces.
old_gc = gc.isenabled()
gc.disable()
try:
sys.setprofile(p.callback)
protect(callable, p)
sys.setprofile(None)
finally:
if old_gc:
gc.enable()
return p.get_events()[1:-1]
def setprofile(func):
"""Set a profile function for all threads started from the threading module.
The func will be passed to sys.setprofile() for each thread, before its
run() method is called.
"""
global _profile_hook
_profile_hook = func
def runctx(self, cmd, globals, locals):
self.set_cmd(cmd)
sys.setprofile(self.dispatcher)
try:
exec cmd in globals, locals
finally:
sys.setprofile(None)
return self
# This method is more useful to profile a single function call.
def setprofile(func):
"""Set a profile function for all threads started from the threading module.
The func will be passed to sys.setprofile() for each thread, before its
run() method is called.
"""
global _profile_hook
_profile_hook = func
def test_getdefaultencoding(self):
self.assertRaises(TypeError, sys.getdefaultencoding, 42)
# can't check more than the type, as the user might have changed it
self.assertIsInstance(sys.getdefaultencoding(), str)
# testing sys.settrace() is done in test_sys_settrace.py
# testing sys.setprofile() is done in test_sys_setprofile.py
def setUp(self):
sys.setprofile(None)
def tearDown(self):
sys.setprofile(None)
def test_setget(self):
def fn(*args):
pass
sys.setprofile(fn)
self.assertIs(sys.getprofile(), fn)
