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� M�UVc @ s� d Z d d l m Z d d l Z d d l Z d d l m Z d d l m Z d d l m Z d d l m Z e d d � � Z e d d e d � � Z d � Z e d � � Z d e f d � � YZ d e f d � � YZ d d d d g Z d S( s* Remote Functions and decorators for Views.i����( t divisionN( t decorator( t skip_doctesti ( t map( t AsyncMapResultc s � � � f d � } | S( s� Turn a function into a remote function. This method can be used for map: In [1]: @remote(view,block=True) ...: def func(a): ...: pass c s t � | d � � �S( Nt block( t RemoteFunction( t f( R t flagst view( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt remote_function s ( ( R R R R ( ( R R R sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt remote s t bc s � � � � � f d � } | S( s� Turn a function into a parallel remote function. This method can be used for map: In [1]: @parallel(view, block=True) ...: def func(a): ...: pass c s" t � | d � d � d � � �S( Nt distR t ordered( t ParallelFunction( R ( R R R R R ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt parallel_function/ s ( ( R R R R R R ( ( R R R R R sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt parallel$ s c C s4 y | j SWn n Xy | j SWn n Xt | � S( s� Get the name of an object. For use in case of callables that are not functions, and thus may not have __name__ defined. Order: f.__name__ > f.name > str(f) ( t __name__t namet str( R ( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt getname3 s c O s\ | j } | j r" | | | | � St | _ z | | | | � } Wd t | _ | j � X| S( s� sync relevant results from self.client to our results attribute. This is a clone of view.sync_results, but for remote functions N( R t _in_sync_resultst Truet Falset _sync_results( R t selft argst kwargsR t ret( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt sync_view_resultsF s R c B s; e Z d Z d Z d Z d Z d Z d d � Z d � Z RS( s� Turn an existing function into a remote function. Parameters ---------- view : View instance The view to be used for execution f : callable The function to be wrapped into a remote function block : bool [default: None] Whether to wait for results or not. The default behavior is to use the current `block` attribute of `view` **flags : remaining kwargs are passed to View.temp_flags c K s( | | _ | | _ | | _ | | _ d S( N( R t funcR R ( R R R R R ( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt __init__q s c O sc | j d k r | j j n | j } | j j d | | j � � | j j | j | | � SWd QXd S( NR ( R t NoneR t temp_flagsR t applyR ( R R R R ( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt __call__w s $ N( R t __module__t __doc__R! R R R R R R$ ( ( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyR [ s R c B sS e Z d Z d Z d Z d Z e Z d d d e d � Z e d � � Z d � Z RS( s� Class for mapping a function to sequences. This will distribute the sequences according the a mapper, and call the function on each sub-sequence. If called via map, then the function will be called once on each element, rather that each sub-sequence. Parameters ---------- view : View instance The view to be used for execution f : callable The function to be wrapped into a remote function dist : str [default: 'b'] The key for which mapObject to use to distribute sequences options are: * 'b' : use contiguous chunks in order * 'r' : use round-robin striping block : bool [default: None] Whether to wait for results or not. The default behavior is to use the current `block` attribute of `view` chunksize : int or None The size of chunk to use when breaking up sequences in a load-balanced manner ordered : bool [default: True] Whether the result should be kept in order. If False, results become available as they arrive, regardless of submission order. **flags remaining kwargs are passed to View.temp_flags R c K sQ t t | � j | | d | | �| | _ | | _ t j | } | � | _ d S( NR ( t superR R t chunksizeR t Mapt distst mapObject( R R R R R R( R R t mapClass( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyR � s " c G s� | j j } g } d } } x� t | � D]� \ } } y t | � } WnQ t k r� t | � } t | t � r t | � } n | | | <t | � } n X| | k r� | } n | d k s� | | k r� | } n | j | � q) W| d k r� g S| j r | | k r d | } t | � � n d | j j j k } | r�| j rj| | j t | | j d k � } n | } d g | } nq | j r�t j d t � n | j j } | d k r�| j | � d } n t | t � r�| g } n t | � } g } x.t | � D] \ } } g } x6 | D]. } | j j | | | | � } | j | � q Wt g | D] } t | � ^ qY� d k r�qn | j r�t j d d k r�d � } n t } | j g | } n | j } | r�| j n | | } | j d t | j � � | j | | � } Wd QX| j | j! � qWt" | j j | | j d t# | j � d | j$ �} | j% r�y | j& � SWq�t' k r�| SXn | Sd S( Ni����i s1 all sequences must have equal length, but have %st Balanceds, `chunksize` is ignored unless load balancingt alli i c W s t t | | � � S( N( t listR ( R t sequences( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt <lambda>� s R t fnameR (( R t clientt enumeratet lent ExceptionR/ t isinstancet tuplet appendt _mappingt ValueErrort __class__R R( t intR! t warningst warnt UserWarningt targetst _build_targetsR+ t getPartitiont sumt syst version_infoR R R" R R R# t extendt msg_idsR R R R t gett KeyboardInterrupt( R R0 R3 t lenst maxlent minlent it seqt nt msgt balancedt npartsRA RH t indext tR t partt argR R t art r( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyR$ � s~ ' + c G s* t | _ z | | � } Wd t | _ X| S( s[ call a function on each element of one or more sequence(s) remotely. This should behave very much like the builtin map, but return an AsyncMapResult if self.block is False. That means it can take generators (will be cast to lists locally), and mismatched sequence lengths will be padded with None. N( R R: R ( R R0 R ( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyR s N( R R% R& R! R( R R+ R R: R R R R$ R ( ( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyR } s YR R ( R& t __future__R RE R> t IPython.external.decoratorR t IPython.testing.skipdoctestR t R R) t asyncresultR R! R R R R R t objectR R t __all__( ( ( sJ /usr/lib/python2.7/site-packages/IPython/parallel/client/remotefunction.pyt <module> s "�
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