Speed up local 'get_data_patterns' by avoiding repeated recursive scans#8014

AsymptotaX wants to merge 2 commits intohuggingface:mainhuggingface/datasets:mainfrom

AsymptotaX:perf/local-get-data-patterns-single-scanAsymptotaX/datasets:perf/local-get-data-patterns-single-scanCopy head branch name to clipboard