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S( s, Drop-in replacement for the thread module.
Meant to be used as a brain-dead substitute so that threaded code does
not need to be rewritten for when the thread module is not present.
Suggested usage is::
try:
import thread
except ImportError:
import dummy_thread as thread
s Brett Cannons brett@python.orgt errort start_new_threadt exitt get_identt
allocate_lockt interrupt_maint LockTypeNc B s t Z d Z d „ Z RS( s% Dummy implementation of thread.error.c G s
| | _ d S( N( t argst self( R R ( ( t$ /usr/lib64/python2.4/dummy_thread.pyt __init__ s ( t __name__t
__module__t __doc__R
( ( ( R R s c C s¶ t | ƒ t t ƒ ƒ j o t d ƒ ‚ n t | ƒ t t ƒ ƒ j o t d ƒ ‚ n t a y | | | Ž Wn# t j
o n t
i ƒ n Xt a t
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t ‚ n d S( sä Dummy implementation of thread.start_new_thread().
Compatibility is maintained by making sure that ``args`` is a
tuple and ``kwargs`` is a dictionary. If an exception is raised
and it is SystemExit (which can be done by thread.exit()) it is
caught and nothing is done; all other exceptions are printed out
by using traceback.print_exc().
If the executed function calls interrupt_main the KeyboardInterrupt will be
raised when the function returns.
s 2nd arg must be a tuples 3rd arg must be a dictN( t typeR t tuplet TypeErrort kwargst dictt Falset _maint functiont
SystemExitt
_tracebackt print_exct Truet
_interruptt KeyboardInterrupt( R R R ( ( R R s$ c C s
t ‚ d S( s& Dummy implementation of thread.exit().N( R ( ( ( R R = s c C s d S( sò Dummy implementation of thread.get_ident().
Since this module should only be used when threadmodule is not
available, it is safe to assume that the current process is the
only thread. Thus a constant can be safely returned.
iÿÿÿÿN( ( ( ( R R A s c C s t ƒ S( s/ Dummy implementation of thread.allocate_lock().N( R ( ( ( R R J s c B s5 t Z d Z d „ Z e d „ Z d „ Z d „ Z RS( s‹ Class implementing dummy implementation of thread.LockType.
Compatibility is maintained by maintaining self.locked_status
which is a boolean that stores the state of the lock. Pickling of
the lock, though, should not be done since if the thread module is
then used with an unpickled ``lock()`` from here problems could
occur from this class not having atomic methods.
c C s
t | _ d S( N( R R t
locked_status( R ( ( R R
Y s c C sY | d j o t | _ d Sn8 | p# | i p t | _ t SqU t Sn t | _ t Sd S( s© Dummy implementation of acquire().
For blocking calls, self.locked_status is automatically set to
True and returned appropriately based on value of
``waitflag``. If it is non-blocking, then the value is
actually checked and not set if it is already acquired. This
is all done so that threading.Condition's assert statements
aren't triggered and throw a little fit.
N( t waitflagt NoneR R R R ( R R ( ( R t acquire\ s
c C s! | i p
t ‚ n t | _ t S( s Release the dummy lock.N( R R R R R ( R ( ( R t releaset s
c C s | i S( N( R R ( R ( ( R t locked} s ( R R R
R
R R R R! ( ( ( R R N s
c C s t o
t ‚ n t a d S( s^ Set _interrupt flag to True to have start_new_thread raise
KeyboardInterrupt upon exiting.N( R R R R ( ( ( R R … s
( R
t
__author__t __email__t __all__t tracebackR t ExceptionR R R R R t objectR R R R R R ( R R$ R R R R" R# R R R R ( ( R t ?
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