B knds@sfdddddgZddlZddlZddlmZdd lmZdd dZdd dZ dd dZ dddZ eZ dS)parent referenceatparentschildrenN) _proxy_helper)_locate_objectcCs*d}t||||}|}||kr&dS|S)al >>> listiter = iter([4,5,6,7]) >>> obj = parent(listiter, list) >>> obj == [4,5,6,7] # actually 'is', but don't have handle any longer True NOTE: objtype can be a single type (e.g. int or list) or a tuple of types. WARNING: if obj is a sequence (e.g. list), may produce unexpected results. Parent finds *one* parent (e.g. the last member of the sequence). rN)rpop)objobjtypeignoredepthchainrr r 1/tmp/pip-unpacked-wheel-8xtu9uov/dill/pointers.pyrs csPtj}fdd}t|ds"|fn|}dd|D}t||||ddd}|S)zFind the chain of referents for obj. Chain will end with obj. objtype: an object type or tuple of types to search for depth: search depth (e.g. depth=2 is 'grandparents') ignore: an object or tuple of objects to ignore in the search cs t|S)N) isinstance)x)r r r-zparents..__len__css|]}t|VqdS)N)id).0r r r r 0szparents..N)gcZ get_referentshasattr find_chain)r r rr edge_func predicaterr )r rr%s  csHtj}fdd}t|ds"|fn|}dd|D}t|||||}|S)aFind the chain of referrers for obj. Chain will start with obj. objtype: an object type or tuple of types to search for depth: search depth (e.g. depth=2 is 'grandchildren') ignore: an object or tuple of objects to ignore in the search NOTE: a common thing to ignore is all globals, 'ignore=(globals(),)' NOTE: repeated calls may yield different results, as python stores the last value in the special variable '_'; thus, it is often good to execute something to replace '_' (e.g. >>> 1+1). cs t|S)N)r)r)r r rrDrzchildren..rcss|]}t|VqdS)N)r)rr r r rrGszchildren..)rZ get_referrersrr)r r rrrrrr )r rr6s  cCst|g}t|di}t|di}t|}|t||t||t||t||t||tt|ttdtx|rl|d} || r| g} x*|t| dk r|t| } | | qW| S|t| } | |kr|| } |t| xT| D]L} t| |kr0qt| |kr| d|t| <| |t| <|| qWqW|gS)Nrr) rsetaddsys _getframerZcollectr append)r rrZ max_depthZ extra_ignorequeuerrrtargetrZtdepthZ referrerssourcer r rrSs@       r)r )rr )rr )r r ) __all__rr#Z_dillrrr rrrrrZ refobjectr r r r s      $