ComfyUI/app/assets/helpers.py
Simon Pinfold 55a15f87ce
feat(assets): add namespaced model_type tags and align tag semantics (#14511)
* feat(assets): add namespaced model type tags

* fix(assets): mark path-derived upload tags automatic

* fix(assets): merge duplicate scan specs

* test(assets): make duplicate path normalization portable

* feat(assets): add loader_path as the authoritative loader locator (#14796)

* fix(assets): filter model_type tags by bucket extension sets

Buckets sharing a base directory (e.g. diffusion_models and a custom
unet_gguf) tagged every file in the directory regardless of whether the
bucket could load it, so .safetensors files were tagged
model_type:unet_gguf and vice versa. Carry each bucket's registered
extension set through get_comfy_models_folders and only emit a
model_type tag when the file extension matches, keeping the empty-set
match-all convention from folder_paths.filter_files_extensions.

Files under a model base matching no bucket now keep only the models
tag instead of every directory-matching model_type tag.

* feat(assets): replace response file_path with persisted loader_path

The old file_path response field was a namespaced storage locator
(models/checkpoints/foo.safetensors): not an absolute path, not unique
identity, and not the value a loader consumes. Nothing needs that shape
on the wire (hash/ID-based locating is the long-term direction), so it
is dropped rather than renamed; the storage-root matching stays internal,
powering display_name.

What loaders DO need is the in-root loader path (category dropped:
models/checkpoints/foo/bar.safetensors -> foo/bar.safetensors). Serve it
as a first-class loader_path field, persisted on asset_references
(migration 0006) and written by every ingest pipeline at insert, so
responses read the column verbatim.

Like the model_type tags, loader_path is a seed-time derivative of the
model folder registry, maintained by the same scan lifecycle (new files seed
fresh values, pruning retires rows whose bucket disappeared). Rows
predating the column serve a null loader_path; databases from before
this stack already need recreating for the base branch's tag changes.

loader_path resolves every registered base including extra_model_paths
entries; display_name only the canonical storage roots. A file can
therefore be loadable with no display name (extra-path models) or the
reverse (unregistered files under the models root), and loader_path is
null exactly when no loader can resolve the file.

* test(assets): lock loader_path matrix (asymmetry, null, persist/read)

Cover the behaviour that has no production change but is easy to regress:
the extra-path asymmetry (loadable but no storage namespace), null
loader_path persistence for orphan files, and the response reading the
stored column with a compute fallback for un-backfilled rows.

* fix(assets): persist subfolder-qualified loader_path for ingested outputs

ingest_existing_file built its seed spec with the file's basename, so
outputs saved into a subfolder persisted loader_path (and the
user_metadata filename that preview URLs split for their subfolder
param) as just the basename: the served locator pointed at a file that
does not exist at that path. Scanner and seeder specs already derive
fname via compute_loader_path; use the same derivation here.

* fix(assets): only extension-matching buckets contribute a loader_path

The model-base match in get_asset_category_and_relative_path ignored
each bucket's extension set, so a file inside a registered base whose
extension the bucket cannot load (e.g. a .txt uploaded into
model_type:checkpoints) advertised a loader_path that no loader list
would ever resolve, while the tag side of the same stack already
excluded it. Apply the extension check used for backend tags (empty set
accepts any extension), keeping loader_path null exactly when no loader
can resolve the file.

* fix(assets): refresh loader_path when re-ingesting an existing reference

upsert_reference only wrote loader_path on the INSERT branch, so
re-ingesting an existing reference (an output overwritten in place, or a
file re-registered after its loader_path derivation changed) kept the
stale or NULL value forever. Write it on the UPDATE branch too, with a
null-safe change guard so a loader_path difference alone is enough to
trigger the update, and identical values stay a no-op.

* fix(assets): repair semantic merge breakage from #14796 and master

Two textually-clean but semantically-broken merges:

- routes.py lost its folder_paths import when #14796's import block
  superseded the base's, while the content-type hardening added via the
  base's master merge still calls folder_paths.is_dangerous_content_type.
- master's SVG download-hardening test uploads with the pre-namespacing
  bare checkpoints tag, which this branch's destination validation
  rejects; use model_type:checkpoints.

---------

Co-authored-by: guill <jacob.e.segal@gmail.com>
2026-07-08 22:00:08 -07:00

66 lines
2.0 KiB
Python

import os
from datetime import datetime, timezone
from typing import Sequence
def select_best_live_path(states: Sequence) -> str:
"""
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.
"""
alive = [
s
for s in states
if getattr(s, "file_path", None) and os.path.isfile(s.file_path)
]
if not alive:
return ""
for s in alive:
if not getattr(s, "needs_verify", False):
return s.file_path
return alive[0].file_path
def escape_sql_like_string(s: str, escape: str = "!") -> tuple[str, str]:
"""Escapes %, _ and the escape char in a LIKE prefix.
Returns (escaped_prefix, escape_char).
"""
s = s.replace(escape, escape + escape) # escape the escape char first
s = s.replace("%", escape + "%").replace("_", escape + "_") # escape LIKE wildcards
return s, escape
def get_utc_now() -> datetime:
"""Naive UTC timestamp (no tzinfo). We always treat DB datetimes as UTC."""
return datetime.now(timezone.utc).replace(tzinfo=None)
def normalize_tags(tags: list[str] | None) -> list[str]:
"""
Normalize a list of tags by:
- Stripping whitespace.
- Removing exact duplicates while preserving order and case.
"""
return list(dict.fromkeys(t.strip() for t in (tags or []) if (t or "").strip()))
def validate_blake3_hash(s: str) -> str:
"""Validate and normalize a blake3 hash string.
Returns canonical 'blake3:<hex>' or raises ValueError.
"""
s = s.strip().lower()
if not s or ":" not in s:
raise ValueError("hash must be 'blake3:<hex>'")
algo, digest = s.split(":", 1)
if (
algo != "blake3"
or len(digest) != 64
or any(c for c in digest if c not in "0123456789abcdef")
):
raise ValueError("hash must be 'blake3:<hex>'")
return f"{algo}:{digest}"