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Nr´r)Úreplace_conflictingT)ÚlistÚ _ReqExtrasÚcollectionsÚdefaultdictÚsetÚpopÚmarkers_passrÖr8r rgrrhÚ best_matchrorÏrnr¯r&ÚextrasÚextendrÚproject_name)ršÚrequirementsÚenvÚ installerr1r:Ú processedÚbestÚto_activateÚ req_extrasr®r¤r rr±Ú dependent_reqÚnew_requirementsÚnew_requirementrrrr½sR þ Ñ2zWorkingSet.resolvecCst|ƒ}| ¡i}i}|durt|jƒ}||7}n||}| g¡} tt| j|ƒƒ|D]G} || D]@}| ¡g}z | |||¡} Wnt yb}z|||<|rWWYd}~q3WYd}~nd}~wwtt| j| ƒƒ| t | ¡¡q-t|ƒ}| ¡||fS)asFind all activatable distributions in `plugin_env` Example usage:: distributions, errors = working_set.find_plugins( Environment(plugin_dirlist) ) # add plugins+libs to sys.path map(working_set.add, distributions) # display errors print('Could not load', errors) The `plugin_env` should be an ``Environment`` instance that contains only distributions that are in the project's "plugin directory" or directories. The `full_env`, if supplied, should be an ``Environment`` contains all currently-available distributions. 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N) r2Úsortrgrr—ÚmaprÚas_requirementrrmr r"r#)ršÚ plugin_envÚfull_envr?ÚfallbackÚplugin_projectsÚ error_infoÚ distributionsr>Ú shadow_setr<r r¤Ú resolveesrrrrÚfind_pluginss:$ €ø€zWorkingSet.find_pluginscGs&| t|ƒ¡}|D]}| |¡q |S)a¾Ensure that distributions matching `requirements` are activated `requirements` must be a string or a (possibly-nested) sequence thereof, specifying the distributions and versions required. The return value is a sequence of the distributions that needed to be activated to fulfill the requirements; all relevant distributions are included, even if they were already activated in this working set. )rrrr)ršr=Úneededr rrrrRms zWorkingSet.requirecCs8||jvrdS|j |¡|sdS|D]}||ƒqdS)zƒInvoke `callback` for all distributions If `existing=True` (default), call on all existing ones, as well. 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