+j ddlZddlmZmZddlmZdedefdZdded edeeeffd Zdefd Z d e edzde efd Z dedefdZ dS)N)datetimetimezone)Sequencestatesreturnczd|D}|sdS|D]}t|dds |jcS|djS)z Return the best on-disk path among cache states: 1) Prefer a path that exists with needs_verify == False (already verified). 2) Otherwise, pick the first path that exists. 3) Otherwise return empty string. c|g|]9}t|ddtj|j7|:S) file_pathN)getattrospathisfiler ).0ss 2/home/wildlama/comfy/ComfyUI/app/assets/helpers.py z)select_best_live_path.. sT    1k4 ( ( .0W^^AK-H-H      needs_verifyFr)r r )ralivers rselect_best_live_pathrsr     E r q.%00 ;     8 r!rescapec||||z}|d|dzd|dz}||fS)zcEscapes %, _ and the escape char in a LIKE prefix. Returns (escaped_prefix, escape_char). %_)replace)rrs rescape_sql_like_stringrsP &&6/**A #v|$$,,S&3,??A f9rcftjtjdS)zENaive UTC timestamp (no tzinfo). We always treat DB datetimes as UTC.N)tzinfo)rnowrutcrrr get_utc_nowr$$s% < % % - -T - : ::rtagschttd|pgDS)z} Normalize a list of tags by: - Stripping whitespace and converting to lowercase. - Removing duplicates. c3K|]@}|pd|VAdS)rN)striplower)rts r z!normalize_tags../sG[[A!'rIZIZ[aggiioo//[[[[[[r)listdictfromkeys)r%s rnormalize_tagsr/)s1  [[$*"[[[[[ \ \\rc:|}|rd|vrtd|dd\}}|dks,t |dkst d|Drtd|d|S)zmValidate and normalize a blake3 hash string. Returns canonical 'blake3:' or raises ValueError. :zhash must be 'blake3:'blake3@c3"K|] }|dv|V dS)0123456789abcdefNr#)rcs rr+z'validate_blake3_hash..>s-@@QA-?$?$?q$?$?$?$?@@r)r(r) ValueErrorsplitlenany)ralgodigests rvalidate_blake3_hashr>2s  A 81 6777773??LD&  v;;"   @@&@@@ @ @ 6777  V  r)r) r rrtypingrstrrtuplerr$r,r/r>r#rrrBs  ''''''''(s(c3sCx;X;;;; ]cT)]d3i]]]]CCr