iq NddlZddlZddlmZdZdedefdZdefdZ dZ d Z y) Nwrapsc |tjvr|Stjj|d}gd}gd}||vry||vrtd|d|d||zy) z-Check if environment varable has True-y value0)1trueTRUEonONyesYES)rfalseFALSEoffOFFnoNOTz'Unexpected environment variable value `=z`. Expected one of F)osenvironget RuntimeError)vardefaultvaltruesfalsess [/var/www/html/engine/venv/lib/python3.12/site-packages/torchaudio/_internal/module_utils.pyeval_envrsw "** **..c "C ;E >F e| &5cU!C5A$v~. 01 1 modulesreturnc&td|DS)aPReturns if a top-level module with :attr:`name` exists *without** importing it. This is generally safer than try-catch block around a `import X`. It avoids third party libraries breaking assumptions of some of our tests, e.g., setting multiprocessing start method when imported (see librosa/#747, torchvision/#544). c3^K|]%}tjj|du'ywN) importlibutil find_spec).0ms r z&is_module_available.. s$H1y~~''*$6Hs+-)all)r!s ris_module_availabler-s HH HHr c|Dcgc]}t|r|}}|sd}|St|dk(rd|dnd|fd}|Scc}w)zDecorate function to give error message if invoked without required optional modules. This decorator is to give better error message to users rather than raising ``NameError: name 'module' is not defined`` at random places. c|Sr%funcs r decoratorz"requires_module..decorator-sKr zmodule: rz modules: c2tfd}|S)NcRtjdjd)N.z requires r __module____name__)argskwargsr2reqs rwrappedz3requires_module..decorator..wrapped4s*"doo%6a jQTPU#VWWr r)r2r>r=s` rr3z"requires_module..decorator3s" 4[ X XNr )r-len)r!r*missingr3r=s @rrequires_modulerA#si "@Q)z5fail_with_message..decorator..wrappedAs($//!2!DMM?!G9MN Nr r)r2r>rFs` rr3z$fail_with_message..decorator@s" t O  Or r0)rFr3s` rfail_with_messagerG=s r c|S)zlOp-op decorator. Used in place of fail_with_message when a functionality that requires extension works fine.r0r1s rno_oprIJs Kr ) importlib.utilr&r functoolsrrstrboolr-rArGrIr0r rrNs? &I#I$Ic4 r