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Will Miao
0ada32d0c7
CivitAI tags are normally short single-concept labels, but some uploaders pack their entire keyword list into one tag. The model in #1119 carries "lora, character, rosie, irish, ... face" as a single 181-character tag. Priority resolution matches aliases by exact equality, so that tag matched nothing and resolve_priority_tag_for_model fell back to tags[0] -- the blob. With the default "{base_model}/{first_tag}" template the model was filed under "Krea 2/<181-character blob>/", and the full path plus the ".civitai.info" sidecar and the preview images next to it ran into the Windows MAX_PATH limit. Tags also bypassed sanitization on the way into a path: both calculate_relative_path_for_model and DownloadManager._calculate_relative_path sanitized model_name and version_name but interpolated {first_tag} verbatim, so a tag containing "/" or ":" silently produced nested or illegal folders. Two changes: - The fallback skips tags that cannot serve as a folder name. is_usable_path_tag rejects comma-separated keyword dumps and tags longer than MAX_PATH_TAG_LENGTH; the resolver returns "" when nothing usable is left, which callers already render as "no tags". Whole-tag priority matching is untouched, so existing priority configurations behave the same. - sanitize_folder_name gains an optional max_length, and every tag-derived segment now goes through it. Tags are capped at MAX_PATH_TAG_LENGTH, model and version names at MAX_FOLDER_NAME_LENGTH, and rendered filename stems at MAX_FILENAME_STEM_LENGTH. For the reported model the folder becomes "Krea 2/base model" instead of the blob, and the full path drops from 235 to 64 characters. Existing libraries are not migrated up front: a path is only recomputed on download, on an auto-organize run or when a filename template is applied, and values already inside the caps are left byte-identical. Models previously filed under a keyword-dump folder move on the next auto-organize run.