ComfyUI/app/assets/scanner.py

230 lines
8.4 KiB
Python

import contextlib
import time
import logging
import os
import sqlalchemy
import folder_paths
from app.database.db import create_session, dependencies_available
from app.assets.helpers import (
collect_models_files, compute_relative_filename, fast_asset_file_check, get_name_and_tags_from_asset_path,
list_tree,prefixes_for_root, escape_like_prefix,
RootType
)
from app.assets.database.tags import add_missing_tag_for_asset_id, ensure_tags_exist, remove_missing_tag_for_asset_id
from app.assets.database.bulk_ops import seed_from_paths_batch
from app.assets.database.models import Asset, AssetCacheState, AssetInfo
def seed_assets(roots: tuple[RootType, ...], enable_logging: bool = False) -> None:
"""
Scan the given roots and seed the assets into the database.
"""
if not dependencies_available():
if enable_logging:
logging.warning("Database dependencies not available, skipping assets scan")
return
t_start = time.perf_counter()
created = 0
skipped_existing = 0
paths: list[str] = []
try:
existing_paths: set[str] = set()
for r in roots:
try:
survivors: set[str] = _fast_db_consistency_pass(r, collect_existing_paths=True, update_missing_tags=True)
if survivors:
existing_paths.update(survivors)
except Exception as e:
logging.exception("fast DB scan failed for %s: %s", r, e)
if "models" in roots:
paths.extend(collect_models_files())
if "input" in roots:
paths.extend(list_tree(folder_paths.get_input_directory()))
if "output" in roots:
paths.extend(list_tree(folder_paths.get_output_directory()))
specs: list[dict] = []
tag_pool: set[str] = set()
for p in paths:
abs_p = os.path.abspath(p)
if abs_p in existing_paths:
skipped_existing += 1
continue
try:
stat_p = os.stat(abs_p, follow_symlinks=False)
except OSError:
continue
# skip empty files
if not stat_p.st_size:
continue
name, tags = get_name_and_tags_from_asset_path(abs_p)
specs.append(
{
"abs_path": abs_p,
"size_bytes": stat_p.st_size,
"mtime_ns": getattr(stat_p, "st_mtime_ns", int(stat_p.st_mtime * 1_000_000_000)),
"info_name": name,
"tags": tags,
"fname": compute_relative_filename(abs_p),
}
)
for t in tags:
tag_pool.add(t)
# if no file specs, nothing to do
if not specs:
return
with create_session() as sess:
if tag_pool:
ensure_tags_exist(sess, tag_pool, tag_type="user")
result = seed_from_paths_batch(sess, specs=specs, owner_id="")
created += result["inserted_infos"]
sess.commit()
finally:
if enable_logging:
logging.info(
"Assets scan(roots=%s) completed in %.3fs (created=%d, skipped_existing=%d, total_seen=%d)",
roots,
time.perf_counter() - t_start,
created,
skipped_existing,
len(paths),
)
def _fast_db_consistency_pass(
root: RootType,
*,
collect_existing_paths: bool = False,
update_missing_tags: bool = False,
) -> set[str] | None:
"""Fast DB+FS pass for a root:
- Toggle needs_verify per state using fast check
- For hashed assets with at least one fast-ok state in this root: delete stale missing states
- For seed assets with all states missing: delete Asset and its AssetInfos
- Optionally add/remove 'missing' tags based on fast-ok in this root
- Optionally return surviving absolute paths
"""
prefixes = prefixes_for_root(root)
if not prefixes:
return set() if collect_existing_paths else None
conds = []
for p in prefixes:
base = os.path.abspath(p)
if not base.endswith(os.sep):
base += os.sep
escaped, esc = escape_like_prefix(base)
conds.append(AssetCacheState.file_path.like(escaped + "%", escape=esc))
with create_session() as sess:
rows = (
sess.execute(
sqlalchemy.select(
AssetCacheState.id,
AssetCacheState.file_path,
AssetCacheState.mtime_ns,
AssetCacheState.needs_verify,
AssetCacheState.asset_id,
Asset.hash,
Asset.size_bytes,
)
.join(Asset, Asset.id == AssetCacheState.asset_id)
.where(sqlalchemy.or_(*conds))
.order_by(AssetCacheState.asset_id.asc(), AssetCacheState.id.asc())
)
).all()
by_asset: dict[str, dict] = {}
for sid, fp, mtime_db, needs_verify, aid, a_hash, a_size in rows:
acc = by_asset.get(aid)
if acc is None:
acc = {"hash": a_hash, "size_db": int(a_size or 0), "states": []}
by_asset[aid] = acc
fast_ok = False
try:
exists = True
fast_ok = fast_asset_file_check(
mtime_db=mtime_db,
size_db=acc["size_db"],
stat_result=os.stat(fp, follow_symlinks=True),
)
except FileNotFoundError:
exists = False
except OSError:
exists = False
acc["states"].append({
"sid": sid,
"fp": fp,
"exists": exists,
"fast_ok": fast_ok,
"needs_verify": bool(needs_verify),
})
to_set_verify: list[int] = []
to_clear_verify: list[int] = []
stale_state_ids: list[int] = []
survivors: set[str] = set()
for aid, acc in by_asset.items():
a_hash = acc["hash"]
states = acc["states"]
any_fast_ok = any(s["fast_ok"] for s in states)
all_missing = all(not s["exists"] for s in states)
for s in states:
if not s["exists"]:
continue
if s["fast_ok"] and s["needs_verify"]:
to_clear_verify.append(s["sid"])
if not s["fast_ok"] and not s["needs_verify"]:
to_set_verify.append(s["sid"])
if a_hash is None:
if states and all_missing: # remove seed Asset completely, if no valid AssetCache exists
sess.execute(sqlalchemy.delete(AssetInfo).where(AssetInfo.asset_id == aid))
asset = sess.get(Asset, aid)
if asset:
sess.delete(asset)
else:
for s in states:
if s["exists"]:
survivors.add(os.path.abspath(s["fp"]))
continue
if any_fast_ok: # if Asset has at least one valid AssetCache record, remove any invalid AssetCache records
for s in states:
if not s["exists"]:
stale_state_ids.append(s["sid"])
if update_missing_tags:
with contextlib.suppress(Exception):
remove_missing_tag_for_asset_id(sess, asset_id=aid)
elif update_missing_tags:
with contextlib.suppress(Exception):
add_missing_tag_for_asset_id(sess, asset_id=aid, origin="automatic")
for s in states:
if s["exists"]:
survivors.add(os.path.abspath(s["fp"]))
if stale_state_ids:
sess.execute(sqlalchemy.delete(AssetCacheState).where(AssetCacheState.id.in_(stale_state_ids)))
if to_set_verify:
sess.execute(
sqlalchemy.update(AssetCacheState)
.where(AssetCacheState.id.in_(to_set_verify))
.values(needs_verify=True)
)
if to_clear_verify:
sess.execute(
sqlalchemy.update(AssetCacheState)
.where(AssetCacheState.id.in_(to_clear_verify))
.values(needs_verify=False)
)
sess.commit()
return survivors if collect_existing_paths else None