o hz@sddlZddlZddlZddlmZddlmZdefddZdefddZ d edefd d Z d edefd dZ defddZ dS)N) BackendAPI)SUPPORTED_BACKENDSreturncCst}|r t|StS)N)get_backend_in_environmentload_environment_backendchoose_available_backend) env_backendr [/var/www/html/HyperOracle/crypto_trader/venv/lib/python3.10/site-packages/eth_hash/utils.pyauto_choose_backend sr cCstjddS)NETH_HASH_BACKEND)osenvirongetr r r r rsr backend_namec Cstd|}t|}z|j}Wnty'}z td|d|d|d}~wwt|tr/|Std|d|d)Nzeth_hash.backends.z Import of z failed, because z" does not have 'backend' attributez is an invalid back end) importlib import_modulebackendAttributeError ValueError isinstancer)r import_pathmodulerer r r load_backends"    rrc CsX|tvr"zt|WSty!}z td|d|d|d}~wwtd|dt)Nz,The backend specified in ETH_HASH_BACKEND, 'zC', is not installed. Install with `python -m pip install "eth-hash[]"`.z$', is not supported. Choose one of: )rr ImportErrorr)rrr r r r.s$ rc Cs^tD]}zt|WSty!tdjd|ddYqwtdtdtdd) Neth_hashzFailed to import T)exc_infoz.None of these hashing backends are installed: z0. Install with `python -m pip install "eth-hash[rr)rrrlogging getLoggerdebug)rr r r r?s    r) rr r eth_hash.abcreth_hash.backendsrr strrrrrr r r r s