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Show cached passives in the library and match IC PDFs by family MPN.

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Decode EIA/Yageo/AVX chip codes into library specs, and find datasheets when the file is stored under the orderable catalog name.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
michele
2026-08-28 02:27:27 +02:00
co-authored by Cursor
parent 3be7d2fc21
commit 08cbbdc422
11 changed files with 534 additions and 80 deletions
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backend/services/pipeline.py
+24 -10
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@@ -681,15 +681,16 @@ async def _ensure_local_datasheet(
"""
if pdf_path.is_file():
return True
from backend.services.datasheet_finder import find_datasheet, mpn_query_variants
from backend.services.datasheet_finder import find_datasheet, find_local_pdf, mpn_query_variants
alt = find_local_pdf(pdf_path.parent, mpn)
if alt is not None and alt.is_file():
if alt.resolve() != pdf_path.resolve():
pdf_path.parent.mkdir(parents=True, exist_ok=True)
pdf_path.write_bytes(alt.read_bytes())
return True
for name in mpn_query_variants(mpn) or [mpn]:
alt = pdf_path.parent / f"{safe_mpn(name)}.pdf"
if alt.is_file():
if alt.resolve() != pdf_path.resolve():
pdf_path.parent.mkdir(parents=True, exist_ok=True)
pdf_path.write_bytes(alt.read_bytes())
return True
lib_ds_key = proj_svc.library_has_datasheet(ctx.storage, name)
if lib_ds_key:
ctx.storage.download_to_local(lib_ds_key, pdf_path)
@@ -1116,6 +1117,16 @@ async def _catalog_resolve_unresolved_passives(
except Exception as e:
first_error = str(e)
if model is None:
from backend.services.passive_from_mpn import specs_from_mpn
model = specs_from_mpn(mpn)
if model is not None:
resolved_via = "mpn"
broker.publish(ctx.project_id, "step_update",
{"stage": "passive_extraction",
"substep": mpn, "status": "running",
"detail": "decoded from MPN"})
if model is None:
bom_value = ctx.passive_values.get(mpn, "").strip()
refs = ctx.passive_mpns.get(mpn, [])
@@ -1152,7 +1163,7 @@ async def _catalog_resolve_unresolved_passives(
model_path.write_text(model.model_dump_json(indent=2) + "\n")
model_key = f"{ctx.ws.prefix}/models/{safe}.json"
ctx.storage.upload_from_local(model_path, model_key)
if resolved_via in ("digikey", "lcsc"):
if resolved_via in ("digikey", "lcsc", "mpn"):
proj_svc.save_to_library(
ctx.storage, model_key, "passives", f"{safe}.json",
)
@@ -1161,6 +1172,7 @@ async def _catalog_resolve_unresolved_passives(
detail = {
"lcsc": "auto-resolved via LCSC",
"digikey": "auto-resolved via DigiKey",
"mpn": "decoded from MPN (saved to library)",
"value": "resolved from BOM value (not saved to library)",
}.get(resolved_via, "resolved")
broker.publish(ctx.project_id, "step_update",
@@ -1502,14 +1514,16 @@ async def _stage_validation(ctx: PipelineContext) -> None:
# Snapshot the full review queue so pause checkpoints can show what's left.
# Mirrors the filter in validate_design_async: ICs with a PDF available.
from backend.services.datasheet_finder import find_local_pdf
planned_refs: list[str] = []
for ref, comp in ctx.graph.components.items():
if comp.component_type != ComponentType.IC:
continue
mpn = comp.mpn or comp.value
mpn = (comp.mpn or "").strip() or (comp.value or "").strip()
if not mpn:
continue
if (ds_dir / f"{safe_mpn(mpn)}.pdf").is_file():
if find_local_pdf(ds_dir, mpn) is not None:
planned_refs.append(ref)
ctx.all_review_refs = sorted(planned_refs, key=natural_sort_key)