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dummy_thread.pyo
� 2Y~gc @ s� d Z d d d d d d d g Z d d l Z d e f d � � YZ i d � Z d � Z d � Z d � Z d d � Z d e f d � � YZ e a e a d � Z d 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 t errort start_new_threadt exitt get_identt allocate_lockt interrupt_maint LockTypei����Nc B s e Z d Z d � Z RS( s% Dummy implementation of thread.error.c G s | | _ d S( N( t args( t selfR ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyt __init__ s ( t __name__t __module__t __doc__R ( ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR s c C s� t | � t t � � k r* t d � � n t | � t t � � k rT t d � � n t a y | | | � Wn! t k r~ n t j � n Xt a t r� t a t � n d S( s� 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 typet tuplet TypeErrort dictt Falset _maint SystemExitt _tracebackt print_exct Truet _interruptt KeyboardInterrupt( t functionR t kwargs( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR s c C s t � d S( s& Dummy implementation of thread.exit().N( R ( ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR : s c C s d S( s� 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. i����( ( ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR > s c C s t � S( s/ Dummy implementation of thread.allocate_lock().( R ( ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR G s c C s | d k r t d � � n d S( s, Dummy implementation of thread.stack_size().s' setting thread stack size not supportedi N( t NoneR ( t size( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyt stack_sizeK s c B sD e Z d Z d � Z d d � Z e Z 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 t locked_status( R ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR \ s c C s= | d k s | r t | _ t S| j s5 t | _ t St 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( R R R R ( R t waitflag( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyt acquire_ s c C s | j � d S( N( t release( R t typt valt tb( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyt __exit__v s c C s | j s t � n t | _ t S( s Release the dummy lock.( R R R R ( R ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR! y s c C s | j S( N( R ( R ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyt locked� s N( R R R R R R t __enter__R% R! R& ( ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR Q s c C s t r 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 ( ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyR � s ( R t __all__t tracebackR t ExceptionR R R R R R R t objectR R R R R R ( ( ( s1 /opt/alt/python27/lib64/python2.7/dummy_thread.pyt <module> s 5
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