/usr/lib/python2.7/dist-packages/eventlet/green/threading.py is in python-eventlet 0.20.0-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | """Implements the standard threading module, using greenthreads."""
from eventlet import patcher
from eventlet.green import thread
from eventlet.green import time
from eventlet.support import greenlets as greenlet, six
__patched__ = ['_start_new_thread', '_allocate_lock',
'_sleep', 'local', 'stack_size', 'Lock', 'currentThread',
'current_thread', '_after_fork', '_shutdown']
if six.PY2:
__patched__ += ['_get_ident']
else:
__patched__ += ['get_ident', '_set_sentinel']
__orig_threading = patcher.original('threading')
__threadlocal = __orig_threading.local()
patcher.inject(
'threading',
globals(),
('thread' if six.PY2 else '_thread', thread),
('time', time))
del patcher
_count = 1
class _GreenThread(object):
"""Wrapper for GreenThread objects to provide Thread-like attributes
and methods"""
def __init__(self, g):
global _count
self._g = g
self._name = 'GreenThread-%d' % _count
_count += 1
def __repr__(self):
return '<_GreenThread(%s, %r)>' % (self._name, self._g)
def join(self, timeout=None):
return self._g.wait()
def getName(self):
return self._name
get_name = getName
def setName(self, name):
self._name = str(name)
set_name = setName
name = property(getName, setName)
ident = property(lambda self: id(self._g))
def isAlive(self):
return True
is_alive = isAlive
daemon = property(lambda self: True)
def isDaemon(self):
return self.daemon
is_daemon = isDaemon
__threading = None
def _fixup_thread(t):
# Some third-party packages (lockfile) will try to patch the
# threading.Thread class with a get_name attribute if it doesn't
# exist. Since we might return Thread objects from the original
# threading package that won't get patched, let's make sure each
# individual object gets patched too our patched threading.Thread
# class has been patched. This is why monkey patching can be bad...
global __threading
if not __threading:
__threading = __import__('threading')
if (hasattr(__threading.Thread, 'get_name') and
not hasattr(t, 'get_name')):
t.get_name = t.getName
return t
def current_thread():
g = greenlet.getcurrent()
if not g:
# Not currently in a greenthread, fall back to standard function
return _fixup_thread(__orig_threading.current_thread())
try:
active = __threadlocal.active
except AttributeError:
active = __threadlocal.active = {}
try:
t = active[id(g)]
except KeyError:
# Add green thread to active if we can clean it up on exit
def cleanup(g):
del active[id(g)]
try:
g.link(cleanup)
except AttributeError:
# Not a GreenThread type, so there's no way to hook into
# the green thread exiting. Fall back to the standard
# function then.
t = _fixup_thread(__orig_threading.currentThread())
else:
t = active[id(g)] = _GreenThread(g)
return t
currentThread = current_thread
|