本文整理汇总了Python中_threading_local.local方法的典型用法代码示例。如果您正苦于以下问题:Python _threading_local.local方法的具体用法?Python _threading_local.local怎么用?Python _threading_local.local使用的例子?那么, 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_threading_local
的用法示例。
在下文中一共展示了_threading_local.local方法的13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: _local_refs
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def _local_refs(self, n):
local = self._local()
weaklist = []
for i in range(n):
t = threading.Thread(target=target, args=(local, weaklist))
t.start()
t.join()
del t
gc.collect()
self.assertEqual(len(weaklist), n)
# XXX _threading_local keeps the local of the last stopped thread alive.
deadlist = [weak for weak in weaklist if weak() is None]
self.assertIn(len(deadlist), (n-1, n))
# Assignment to the same thread local frees it sometimes (!)
local.someothervar = None
gc.collect()
deadlist = [weak for weak in weaklist if weak() is None]
self.assertIn(len(deadlist), (n-1, n), (n, len(deadlist)))
示例2: test_derived
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_derived(self):
# Issue 3088: if there is a threads switch inside the __init__
# of a threading.local derived class, the per-thread dictionary
# is created but not correctly set on the object.
# The first member set may be bogus.
import time
class Local(self._local):
def __init__(self):
time.sleep(0.01)
local = Local()
def f(i):
local.x = i
# Simply check that the variable is correctly set
self.assertEqual(local.x, i)
with support.start_threads(threading.Thread(target=f, args=(i,))
for i in range(10)):
pass
示例3: test_main
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_main():
suite = unittest.TestSuite()
suite.addTest(DocTestSuite('_threading_local'))
suite.addTest(unittest.makeSuite(ThreadLocalTest))
suite.addTest(unittest.makeSuite(PyThreadingLocalTest))
try:
from thread import _local
except ImportError:
pass
else:
import _threading_local
local_orig = _threading_local.local
def setUp(test):
_threading_local.local = _local
def tearDown(test):
_threading_local.local = local_orig
suite.addTest(DocTestSuite('_threading_local',
setUp=setUp, tearDown=tearDown)
)
support.run_unittest(suite)
示例4: test_derived
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_derived(self):
# Issue 3088: if there is a threads switch inside the __init__
# of a threading.local derived class, the per-thread dictionary
# is created but not correctly set on the object.
# The first member set may be bogus.
import time
class Local(self._local):
def __init__(self):
time.sleep(0.01)
local = Local()
def f(i):
local.x = i
# Simply check that the variable is correctly set
self.assertEqual(local.x, i)
threads= []
for i in range(10):
t = threading.Thread(target=f, args=(i,))
t.start()
threads.append(t)
for t in threads:
t.join()
示例5: test_main
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_main():
suite = unittest.TestSuite()
suite.addTest(DocTestSuite('_threading_local'))
suite.addTest(unittest.makeSuite(ThreadLocalTest))
suite.addTest(unittest.makeSuite(PyThreadingLocalTest))
try:
from thread import _local
except ImportError:
pass
else:
import _threading_local
local_orig = _threading_local.local
def setUp(test):
_threading_local.local = _local
def tearDown(test):
_threading_local.local = local_orig
suite.addTest(DocTestSuite('_threading_local',
setUp=setUp, tearDown=tearDown)
)
test_support.run_unittest(suite)
示例6: test_derived
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_derived(self):
# Issue 3088: if there is a threads switch inside the __init__
# of a threading.local derived class, the per-thread dictionary
# is created but not correctly set on the object.
# The first member set may be bogus.
import time
class Local(threading.local):
def __init__(self):
time.sleep(0.01)
local = Local()
def f(i):
local.x = i
# Simply check that the variable is correctly set
self.assertEqual(local.x, i)
threads= []
for i in range(10):
t = threading.Thread(target=f, args=(i,))
t.start()
threads.append(t)
for t in threads:
t.join()
示例7: test_main
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_main():
suite = DocTestSuite('_threading_local')
try:
from thread import _local
except ImportError:
pass
else:
import _threading_local
local_orig = _threading_local.local
def setUp(test):
_threading_local.local = _local
def tearDown(test):
_threading_local.local = local_orig
suite.addTest(DocTestSuite('_threading_local',
setUp=setUp, tearDown=tearDown)
)
suite.addTest(unittest.makeSuite(ThreadingLocalTest))
test_support.run_suite(suite)
示例8: _local_refs
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def _local_refs(self, n):
local = threading.local()
weaklist = []
for i in range(n):
t = threading.Thread(target=target, args=(local, weaklist))
t.start()
t.join()
del t
gc.collect()
self.assertEqual(len(weaklist), n)
# XXX threading.local keeps the local of the last stopped thread alive.
deadlist = [weak for weak in weaklist if weak() is None]
self.assertEqual(len(deadlist), n-1)
# Assignment to the same thread local frees it sometimes (!)
local.someothervar = None
gc.collect()
deadlist = [weak for weak in weaklist if weak() is None]
self.assert_(len(deadlist) in (n-1, n), (n, len(deadlist)))
示例9: test_main
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_main():
suite = unittest.TestSuite()
suite.addTest(DocTestSuite('_threading_local'))
if test_support.is_jython:
del ThreadingLocalTest.test_local_refs
suite.addTest(unittest.makeSuite(ThreadingLocalTest))
try:
from thread import _local
except ImportError:
pass
else:
import _threading_local
local_orig = _threading_local.local
def setUp(test):
_threading_local.local = _local
def tearDown(test):
_threading_local.local = local_orig
suite.addTest(DocTestSuite('_threading_local',
setUp=setUp, tearDown=tearDown)
)
test_support.run_unittest(suite)
示例10: __init__
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def __init__(
self, maxusage=None, setsession=None,
closeable=False, threadlocal=None, *args, **kwargs):
"""Set up the persistent PostgreSQL connection generator.
maxusage: maximum number of reuses of a single connection
(0 or None means unlimited reuse)
When this maximum usage number of the connection is reached,
the connection is automatically reset (closed and reopened).
setsession: optional list of SQL commands that may serve to prepare
the session, e.g. ["set datestyle to ...", "set time zone ..."]
closeable: if this is set to true, then closing connections will
be allowed, but by default this will be silently ignored
threadlocal: an optional class for representing thread-local data
that will be used instead of our Python implementation
(threading.local is faster, but cannot be used in all cases)
args, kwargs: the parameters that shall be used to establish
the PostgreSQL connections using class PyGreSQL pg.DB()
"""
self._maxusage = maxusage
self._setsession = setsession
self._closeable = closeable
self._args, self._kwargs = args, kwargs
self.thread = (threadlocal or local)()
示例11: target
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def target(local, weaklist):
weak = Weak()
local.weak = weak
weaklist.append(weakref.ref(weak))
示例12: test_derived_cycle_dealloc
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_derived_cycle_dealloc(self):
# http://bugs.python.org/issue6990
class Local(self._local):
pass
locals = None
passed = [False]
e1 = threading.Event()
e2 = threading.Event()
def f():
# 1) Involve Local in a cycle
cycle = [Local()]
cycle.append(cycle)
cycle[0].foo = 'bar'
# 2) GC the cycle (triggers threadmodule.c::local_clear
# before local_dealloc)
del cycle
gc.collect()
e1.set()
e2.wait()
# 4) New Locals should be empty
passed[0] = all(not hasattr(local, 'foo') for local in locals)
t = threading.Thread(target=f)
t.start()
e1.wait()
# 3) New Locals should recycle the original's address. Creating
# them in the thread overwrites the thread state and avoids the
# bug
locals = [Local() for i in range(10)]
e2.set()
t.join()
self.assertTrue(passed[0])
示例13: test_arguments
# 需要导入模块: import _threading_local [as 别名]
# 或者: from _threading_local import local [as 别名]
def test_arguments(self):
# Issue 1522237
from thread import _local as local
from _threading_local import local as py_local
for cls in (local, py_local):
class MyLocal(cls):
def __init__(self, *args, **kwargs):
pass
MyLocal(a=1)
MyLocal(1)
self.assertRaises(TypeError, cls, a=1)
self.assertRaises(TypeError, cls, 1)