Pf. bdZddlmZddlmZgdZdZdZdZdZ dd Z d Z d Z d Z dZd S)zFunctional utilities.)Thenablepromise) maybe_promiseensure_promiseppartialpreplace ready_promise starpromise transformwrapcR|r$t|tst|S|S)zBReturn None if p is undefined, otherwise make sure it's a promise.) isinstancerrps ?/var/www/html/env/lib/python3.11/site-packages/vine/funtools.pyrr s-!X&& 1::  Hc@|tSt|S)zeEnsure p is a promise. If p is not a promise, a new promise is created with p' as callback. )rrrs rrrs!  yyy   rc~t|}|r||jz|_|r|j||S)z-Create/modify promise with partial arguments.)rargskwargsupdate)rrrs rrrsEqA     Hrc4fd}t|S)zReplace promise arguments. This will force the promise to disregard any arguments the promise is fulfilled with, and to be called with the provided arguments instead. ciSN)___rrrs r _replacerzpreplace.._replacer/sq$!&!!!rr)rrrrs``` rr r (s6""""""" 9  rNc.t|}|||S)z)Create promise that is already fulfilled.)r)callbackrrs rr r 4sx  AAtHH Hrc$t|||S)z%Create promise, using star arguments.r)funrrs rr r ;s 3f % %%rct|}tt||||f}|t|j|S)a?Filter final argument to a promise. E.g. to coerce callback argument to :class:`int`:: transform(int, callback) or a more complex example extracting something from a dict and coercing the value to :class:`float`: .. code-block:: python def filter_key_value(key, filter_, mapping): return filter_(mapping[key]) def get_page_expires(self, url, callback=None): return self.request( 'GET', url, callback=transform(get_key, callback, 'PageExpireValue', int), ) )rr _transbackthenthrow)filter_r! filter_args filter_kwargsPs rr r @sH,h''H Wh ]KLLAFF799hn%%% Hrc| |||fzi|}||S#t$r|YdSwxYwr) Exceptionr')r(r!rrrets rr%r%\sggtsf}///x}} s ;;cfd}|S)zWrap promise. This wraps the promise such that if the promise is called with a promise as argument, we attach ourselves to that promise instead. ct|dkr6t|dtr|dS|i|S)Nr)lenrrr&)rrrs ron_callzwrap..on_callksM t99>>ja'::>7<<?? "1d%f%% %rr)rr3s` rr r es# &&&&& Nrr)__doc__abstractrpromisesr__all__rrrr r r r r%r rrrr8s                &&&    8     r