get_current_greenlet = greenlet.getcurrent
del greenlet
except:
get_current_greenlet = int
try:
from thread import get_ident as get_current_thread, allocate_lock
except ImportError:
from dummy_thread import get_ident as get_current_thread, allocate_lock
from werkzeug.wsgi import ClosingIterator
from werkzeug._internal import _patch_wrapper
if get_current_greenlet is int:
get_ident = get_current_thread
else:
get_ident = lambda: (get_current_thread(), get_current_greenlet())
def release_local(local):
local.__release_local__()
class Local(object):
__slots__ = ('__storage__', '__lock__')
def __init__(self):
object.__setattr__(self, '__storage__', {})
object.__setattr__(self, '__lock__', allocate_lock())
def __iter__(self):
return self.__storage__.iteritems()
def get_ident():
return get_current_thread(), get_current_greenlet()
# coding: utf-8
try:
from greenlet import greenlet
get_current_greenlet = greenlet.getcurrent
del greenlet
except:
get_current_greenlet = int
from thread import get_ident as get_current_thread, allocate_lock
if get_current_greenlet is int:
get_ident = get_current_thread
else:
get_ident = lambda: (get_current_thread(), get_current_thread())
class Local(object):
"""
类似ThreadLocal的实现, 可以应付协程场景。
"""
__slots__ = ('__storage__', '__lock__')
def __init__(self):
object.__setattr__(self, '__storage__', {})
object.__setattr__(self, '__lock__', allocate_lock())
def __iter__(self):
return self.__storage__.iteritems()
get_current_greenlet = int
try:
from thread import get_ident as get_current_thread, allocate_lock
except ImportError:
from dummy_thread import get_ident as get_current_thread, allocate_lock
from werkzeug.utils import ClosingIterator
from werkzeug._internal import _patch_wrapper
# get the best ident function. if greenlets are not installed we can
# savely just use the builtin thread function and save a python methodcall
# and the cost of caculating a hash.
if get_current_greenlet is int:
get_ident = get_current_thread
else:
get_ident = lambda: hash((get_current_thread(), get_current_greenlet()))
class Local(object):
__slots__ = ('__storage__', '__lock__')
def __init__(self):
object.__setattr__(self, '__storage__', {})
object.__setattr__(self, '__lock__', allocate_lock())
def __iter__(self):
return self.__storage__.iteritems()
def __call__(self, proxy):
"""Create a proxy for a name."""
return LocalProxy(self, proxy)
def get_ident():
"""
Return a unique number for the current greenlet in the current thread.
"""
return hash((get_current_thread(), get_current_greenlet()))
