本文整理汇总了Python中tracemalloc.get_object_traceback方法的典型用法代码示例。如果您正苦于以下问题：Python tracemalloc.get_object_traceback方法的具体用法？Python tracemalloc.get_object_traceback怎么用？Python tracemalloc.get_object_traceback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类tracemalloc的用法示例。
在下文中一共展示了tracemalloc.get_object_traceback方法的6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: test_set_traceback_limit
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_object_traceback [as 别名]
def test_set_traceback_limit(self):
obj_size = 10
tracemalloc.stop()
self.assertRaises(ValueError, tracemalloc.start, -1)
tracemalloc.stop()
tracemalloc.start(10)
obj2, obj2_traceback = allocate_bytes(obj_size)
traceback = tracemalloc.get_object_traceback(obj2)
self.assertEqual(len(traceback), 10)
self.assertEqual(traceback, obj2_traceback)
tracemalloc.stop()
tracemalloc.start(1)
obj, obj_traceback = allocate_bytes(obj_size)
traceback = tracemalloc.get_object_traceback(obj)
self.assertEqual(len(traceback), 1)
self.assertEqual(traceback, obj_traceback) 示例2: test_get_object_traceback
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_object_traceback [as 别名]
def test_get_object_traceback(self):
tracemalloc.clear_traces()
obj_size = 12345
obj, obj_traceback = allocate_bytes(obj_size)
traceback = tracemalloc.get_object_traceback(obj)
self.assertEqual(traceback, obj_traceback) 示例3: test_clear_traces
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_object_traceback [as 别名]
def test_clear_traces(self):
obj, obj_traceback = allocate_bytes(123)
traceback = tracemalloc.get_object_traceback(obj)
self.assertIsNotNone(traceback)
tracemalloc.clear_traces()
traceback2 = tracemalloc.get_object_traceback(obj)
self.assertIsNone(traceback2) 示例4: fork_child
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_object_traceback [as 别名]
def fork_child(self):
if not tracemalloc.is_tracing():
return 2
obj_size = 12345
obj, obj_traceback = allocate_bytes(obj_size)
traceback = tracemalloc.get_object_traceback(obj)
if traceback is None:
return 3
# everything is fine
return 0 示例5: _formatwarnmsg_impl
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_object_traceback [as 别名]
def _formatwarnmsg_impl(msg):
s = ("%s:%s: %s: %s\n"
% (msg.filename, msg.lineno, msg.category.__name__,
msg.message))
if msg.line is None:
try:
import linecache
line = linecache.getline(msg.filename, msg.lineno)
except Exception:
# When a warning is logged during Python shutdown, linecache
# and the import machinery don't work anymore
line = None
linecache = None
else:
line = msg.line
if line:
line = line.strip()
s += " %s\n" % line
if msg.source is not None:
try:
import tracemalloc
tb = tracemalloc.get_object_traceback(msg.source)
except Exception:
# When a warning is logged during Python shutdown, tracemalloc
# and the import machinery don't work anymore
tb = None
if tb is not None:
s += 'Object allocated at (most recent call last):\n'
for frame in tb:
s += (' File "%s", lineno %s\n'
% (frame.filename, frame.lineno))
try:
if linecache is not None:
line = linecache.getline(frame.filename, frame.lineno)
else:
line = None
except Exception:
line = None
if line:
line = line.strip()
s += ' %s\n' % line
return s
# Keep a reference to check if the function was replaced 示例6: _formatwarnmsg_impl
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_object_traceback [as 别名]
def _formatwarnmsg_impl(msg):
category = msg.category.__name__
s = f"{msg.filename}:{msg.lineno}: {category}: {msg.message}\n"
if msg.line is None:
try:
import linecache
line = linecache.getline(msg.filename, msg.lineno)
except Exception:
# When a warning is logged during Python shutdown, linecache
# and the import machinery don't work anymore
line = None
linecache = None
else:
line = msg.line
if line:
line = line.strip()
s += " %s\n" % line
if msg.source is not None:
try:
import tracemalloc
# Logging a warning should not raise a new exception:
# catch Exception, not only ImportError and RecursionError.
except Exception:
# don't suggest to enable tracemalloc if it's not available
tracing = True
tb = None
else:
tracing = tracemalloc.is_tracing()
try:
tb = tracemalloc.get_object_traceback(msg.source)
except Exception:
# When a warning is logged during Python shutdown, tracemalloc
# and the import machinery don't work anymore
tb = None
if tb is not None:
s += 'Object allocated at (most recent call last):\n'
for frame in tb:
s += (' File "%s", lineno %s\n'
% (frame.filename, frame.lineno))
try:
if linecache is not None:
line = linecache.getline(frame.filename, frame.lineno)
else:
line = None
except Exception:
line = None
if line:
line = line.strip()
s += ' %s\n' % line
elif not tracing:
s += (f'{category}: Enable tracemalloc to get the object '
f'allocation traceback\n')
return s
# Keep a reference to check if the function was replaced