feat(understand): cable_takeoff - one row per load, rounded to the metre
cable_rows reads each load's power, phases, voltage, neutral and VFD from the P&ID's electrical texts near its tag, and its panel from the layout's wiring callouts (else the P&ID's), names normalised CP 1 -> CP-1. The length is the Manhattan distance on the layout from the tag to its panel, and the cable ROUNDUP(length x (1 + allowance)) to the metre, on the length rounded to 1e-6 m so binary noise never buys a metre. Power is never invented: a load with no stated kW keeps an empty cell and an open item. Without a layout the lengths stay empty with an open item per row. Room and panel totals count a panel package's power once, never its children's as well; the rule is on the method sheet. Sections only from the caller's section_rules - no standard table exists here. The workbook gains the cable shape (Metraj, Ozet by room and panel, Kontrol as the open-items list, Metodoloji) in the same three languages; cable_takeoff joins SECTION 27. Inventory regenerated; README snapshot 243 tools (238 advertised); registry snapshot analysis: 14. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FKFStjEFzpGyLq5bMpWxTd
This commit is contained in:
Umut CAN
co-authored by
Claude Opus 5.5
Claude Opus 5.5
parent
653535bcc1
commit
459d3b9228
@@ -10555,7 +10555,7 @@ async def arch_plan_from_spec(
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# ---------------------------------------------------------------------------
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# ── SECTION 27: Plant Takeoffs (1 tool) ─────────────────────────────────────
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# ── SECTION 27: Plant Takeoffs (2 tools) ────────────────────────────────────
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# ---------------------------------------------------------------------------
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@@ -10714,6 +10714,111 @@ async def pipe_takeoff(
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raise ToolError(str(exc)) from exc
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@cad_tool(
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summary="Cable takeoff: one row per load, Manhattan length to its panel, rounded up to the metre.",
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cost="safe",
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)
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@mcp.tool(
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annotations={
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"title": "Plant: Cable Takeoff",
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"readOnlyHint": False,
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"destructiveHint": False,
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},
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tags={"plant", "analysis"},
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)
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async def cable_takeoff(
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pid_path: Annotated[
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str | None,
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Field(
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default=None,
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description="The P&ID carrying the electrical texts (kW, phases, voltage, VFD). "
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"Omit to read the current drawing.",
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),
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] = None,
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layout_path: Annotated[
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str | None,
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Field(
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default=None,
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description="The layout with the tags, the panels and the 'Wiring to CPn' "
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"callouts. Omitted, every length stays empty with an open item.",
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),
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] = None,
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output: Annotated[
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str | None,
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Field(
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default=None,
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description="Workbook to write (.xlsx); the four sheets are also written as CSV "
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"beside it. Omit to return the rows only.",
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),
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] = None,
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lang: Annotated[
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str, Field(default="en", description="Headers and method text: tr | en | ru.")
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] = "en",
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allowance: Annotated[
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float,
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Field(
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default=0.20,
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ge=0.0,
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le=1.0,
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description="Allowance before rounding up to the metre (0.20 = 20 %).",
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),
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] = 0.20,
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section_rules: Annotated[
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list[dict] | None,
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Field(
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default=None,
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description="Your own section table: [{max_kw, section, phases (1|3, optional)}], "
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"e.g. [{'max_kw': 5.5, 'section': '5x2.5'}]. Omitted, no section is proposed.",
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),
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] = None,
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ctx: Context = None,
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) -> dict:
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"""A cable takeoff: one row per electrical load, the shop's cable method made repeatable.
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Power, phases, voltage, neutral and VFD come from the P&ID's electrical
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texts near each tag (Russian, Turkish and English spellings). **Power is
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never invented**: a load with no stated kW keeps an empty cell and an open
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item. The panel comes from the layout's wiring callouts ('Wiring to CP1'
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and its variants, normalised to CP-1), else from the P&ID. The length is the
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Manhattan distance on the layout from the load's tag to its panel's tag,
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and the cable is ROUNDUP(length x (1 + allowance)) to the metre. Room and
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panel totals count known power once: a load wired to a panel that states
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its own power is part of that package, and the package's power is counted
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instead of its children's - the rule is written on the method sheet.
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Sections only from `section_rules`; no standard table is applied. Open
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items: missing power, missing panel, a tag or panel not on the layout, no
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layout at all, a load no section rule covers.
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Read-only on both drawings. With `output` it writes one workbook - Metraj,
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Özet, Kontrol, Metodoloji - as XLSX and, always, as CSV beside it.
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Refused before a drawing is read: `lang` outside tr / en / ru, an allowance
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outside 0-1 and a malformed section rule (named by its path,
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`section_rules[0].section: ...`). A missing, unreadable or oversize drawing
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is refused by the reader, which names MAX_DXF_BYTES. Without openpyxl the
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XLSX is not written and `files.refused` carries `capability: "xlsx_write"`
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naming the `office` extra; the CSV files are written all the same.
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"""
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from engineering.understand.draw import run_cable_takeoff
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pid = str(validate_path(pid_path)) if pid_path else None
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layout = str(validate_path(layout_path)) if layout_path else None
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target = str(validate_path(output, allow_write=True)) if output else None
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await ctx.info(f"cable_takeoff: {pid or 'current drawing'} / {layout or 'no layout'}")
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try:
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return await run_cable_takeoff(
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_backend(ctx),
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pid_path=pid,
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layout_path=layout,
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output=target,
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lang=lang,
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allowance=allowance,
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section_rules=section_rules,
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)
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except (ValueError, OSError) as exc:
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raise ToolError(str(exc)) from exc
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# ---------------------------------------------------------------------------
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# ── RESOURCES ───────────────────────────────────────────────────────────────
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# ---------------------------------------------------------------------------
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