ganjihong
95cae203f4
Phase 7 of the decoupling refactor (behavior-preserving move): - legacy/llm_compiler.py, legacy/llm_engine.py: frozen build_pack path (unused by run_cdsl_only), moved with git mv for history - legacy/exact_rebuild.py: _run_parameterized / _run_exact / _apply_geometric_compensations moved out of rebuild.py, including the part-specific compensation table - rebuild.py keeps run_rebuild / run_cdsl_only / compare_with_gold and imports the moved functions - llm_compiler.py / llm_engine.py become compatibility shims Frozen zone: new capability belongs in executors/ + schema contracts. The project-specific compensation no longer sits in the main pipeline.
254 lines
9.9 KiB
Python
254 lines
9.9 KiB
Python
"""SolidWorks-exact fallback rebuilds and project-specific compensations.
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``_run_parameterized`` and ``_run_exact`` replay SolidWorks rebuilds through
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generated build123d scripts (``compiler_context``). They are the frozen
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exact/parameterized legs of ``rebuild.run_rebuild``; the production path is
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``run_cdsl_only`` in the session runtime.
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``_apply_geometric_compensations`` is a project-specific workaround for a
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feature the SolidWorks export misses. It intentionally lives beside the
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legacy paths so a clean checkout of this engine in another project can drop
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it without touching the generic code.
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"""
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from __future__ import annotations
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import sys
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import time
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from pathlib import Path
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from typing import Any
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from ..sketch_solver import resolve_all_sketches
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from ..translator import generate_build123d_code
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def _run_parameterized(cdsl: dict[str, Any], out_step: Path, gold_step: Path | None = None) -> dict[str, Any]:
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"""参数化路径: CDSL语义结构 + compiler_context精确数据 → translator生成代码 → 执行
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采用双层IR架构：
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Learning IR (CDSL) 提供参数化形状、特征结构
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Execution IR (compiler_context) 提供精确坐标
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translator 提供经过充分测试的代码生成
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"""
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import subprocess
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import tempfile, os
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t0 = time.time()
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# 1. 获取 compiler_context (Execution IR: 精确坐标)
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compiler_context = cdsl.get("compiler_context") or {}
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if not compiler_context:
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# 从外部文件加载
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ctx_file = out_step.parent / "{}.compiler_context.json".format(cdsl.get("part_id", ""))
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if ctx_file.exists():
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import json as _json
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with open(ctx_file, "r", encoding="utf-8") as _f:
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compiler_context = _json.load(_f)
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if not compiler_context:
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raise RuntimeError("CDSL缺少 compiler_context，无法重建")
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part_name = str(cdsl.get("part_id") or out_step.stem)
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context = dict(compiler_context)
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context.setdefault("metadata", {})["part_name"] = part_name
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# 2. 将 compiler_context 的精确实体注入 CDSL 草图 (供 sketch_solver 使用)
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# 015133: CDSL (Learning IR) 不含坐标，坐标来自 Execution IR
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ctx_sketches_map = {s["id"]: s for s in context.get("sketches", [])}
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cdsl_sketches = cdsl.get("geometry", {}).get("sketches", [])
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for sk in cdsl_sketches:
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ctx_sk = ctx_sketches_map.get(sk["id"])
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if ctx_sk:
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# 注入 entities/contour 供 polygon/complex_arc_shape 生成器使用
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if not sk.get("entities"):
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sk["entities"] = ctx_sk.get("entities", [])
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if not sk.get("contour_edges_mm"):
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sk["contour_edges_mm"] = ctx_sk.get("contour_edges_mm", [])
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# 3. 解析 CDSL 的参数化草图 (现在有 entities 可用)
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cdsl_resolved = resolve_all_sketches(cdsl)
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# 4. 将 CDSL 解析后的 profile/profile_from 注入 compiler_context
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# translator 使用 compiler_context 的精确 entities + CDSL 的 profile 分类
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cdsl_resolved_map = {s["id"]: s for s in cdsl_resolved.get("geometry", {}).get("sketches", [])}
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ctx_sketches = list(context.get("sketches", []))
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updated_count = 0
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for i, ctx_sk in enumerate(ctx_sketches):
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sk_id = ctx_sk.get("id", "")
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cdsl_sk = cdsl_resolved_map.get(sk_id)
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if cdsl_sk and cdsl_sk.get("profile"):
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ctx_sketches[i] = {**ctx_sk, "profile": cdsl_sk["profile"]}
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updated_count += 1
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if cdsl_sk and cdsl_sk.get("profile_from"):
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ctx_sketches[i] = {**ctx_sk, "profile_from": cdsl_sk["profile_from"]}
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updated_count += 1
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context["sketches"] = ctx_sketches
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# 4. 使用 compiler_context 的原始 operations（保持 translator 兼容性）
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# 5. 读取 gold volume
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gold_volume_mm3 = None
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if gold_step and gold_step.exists():
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try:
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from build123d import import_step
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gold_solid = import_step(str(gold_step))
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gold_volume_mm3 = float(gold_solid.volume)
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except Exception:
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pass
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# 6. 用 translator 生成并执行
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code = generate_build123d_code(context, gold_volume_mm3=gold_volume_mm3)
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# 6b. 应用几何补偿 (SW导出缺失的特征)
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part_id = str(cdsl.get("part_id") or "")
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code = _apply_geometric_compensations(code, part_id)
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out_step.parent.mkdir(parents=True, exist_ok=True)
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with tempfile.NamedTemporaryFile(mode="w", suffix=".py", delete=False, encoding="utf-8") as tf:
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tf.write(code)
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script_path = tf.name
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try:
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r = subprocess.run(
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["python", script_path],
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capture_output=True, text=True, encoding="utf-8", timeout=120,
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env={**os.environ, "PYTHONIOENCODING": "utf-8"},
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)
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if r.returncode != 0:
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raise RuntimeError(f"Build script failed:\n{r.stderr}")
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finally:
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try:
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os.unlink(script_path)
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except Exception:
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pass
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# 7. 读取重建结果
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out_step.parent.mkdir(parents=True, exist_ok=True)
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built_step = Path(part_name + ".step")
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if not built_step.exists():
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built_step = Path.cwd() / (part_name + ".step")
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if built_step.exists():
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import shutil
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shutil.copy2(str(built_step), str(out_step))
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built_step.unlink()
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else:
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raise RuntimeError(f"No STEP output found: {part_name}.step")
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from build123d import import_step
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rebuilt = import_step(str(out_step))
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bbox = rebuilt.bounding_box()
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bbox_mm = {
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"min": [bbox.min.X, bbox.min.Y, bbox.min.Z],
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"max": [bbox.max.X, bbox.max.Y, bbox.max.Z],
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}
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elapsed = time.time() - t0
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return {
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"out_step": str(out_step),
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"volume_mm3": float(rebuilt.volume),
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"bbox_mm": bbox_mm,
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"log": [f"param: CDSL-informed translator rebuild, {updated_count} sketches updated from CDSL"],
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"engine": "parameterized",
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"elapsed_s": round(elapsed, 1),
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}
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def _run_exact(cdsl: dict[str, Any], out_step: Path, gold_step: Path | None = None) -> dict[str, Any]:
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"""精确路径: generate_build123d_code (后备)"""
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import subprocess
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compiler_context = cdsl.get("compiler_context") or {}
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part_name = str(cdsl.get("part_id") or out_step.stem)
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context = dict(compiler_context)
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context.setdefault("metadata", {})["part_name"] = part_name
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# Read gold volume if available, for chamfer/candidate scoring
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gold_volume_mm3 = None
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if gold_step and gold_step.exists():
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try:
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from build123d import import_step
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gold_solid = import_step(str(gold_step))
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gold_volume_mm3 = float(gold_solid.volume)
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except Exception:
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pass
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out_step.parent.mkdir(parents=True, exist_ok=True)
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# Apply geometric compensations FIRST (may return full replacement code)
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part_id = str(cdsl.get("part_id") or "")
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compensation_code = _apply_geometric_compensations("", part_id)
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if compensation_code and "build123d" in compensation_code and "__main__" in compensation_code:
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# 完整替换代码 (跳过generate_build123d_code)
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code = compensation_code
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else:
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code = generate_build123d_code(context, gold_volume_mm3=gold_volume_mm3)
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code = _apply_geometric_compensations(code, part_id)
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t0 = time.time()
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script_path = out_step.parent / "_tmp" / f"build_{part_name}_{int(time.time())}.py"
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script_path.parent.mkdir(exist_ok=True)
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script_path.write_text(code, encoding="utf-8")
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completed = subprocess.run(
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[sys.executable, str(script_path)],
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cwd=out_step.parent,
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capture_output=True,
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text=True,
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timeout=600,
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)
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if completed.returncode != 0:
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raise RuntimeError(
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f"Exact compiler FAILED (rc={completed.returncode})\n"
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f"STDOUT:\n{completed.stdout[-2000:]}\n"
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f"STDERR:\n{completed.stderr[-3000:]}"
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)
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# Print any warnings from safe_subtract
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for line in completed.stdout.split('\n'):
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if 'SUBTRACT' in line or 'UNION' in line:
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print(f" {line.strip()}")
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from build123d import import_step
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# 生成的 build 脚本将 STEP 写到 CWD 下的 "{part_name}.step"
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# 移到 out_step 位置以供后续对比
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actual_step = out_step.parent / f"{part_name}.step"
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if actual_step.exists():
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import shutil
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shutil.copy2(str(actual_step), str(out_step))
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solid = import_step(str(out_step))
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bb = solid.bounding_box()
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elapsed = time.time() - t0
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return {
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"out_step": str(out_step),
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"volume_mm3": float(solid.volume),
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"bbox_mm": {"min": [bb.min.X, bb.min.Y, bb.min.Z],
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"max": [bb.max.X, bb.max.Y, bb.max.Z]},
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"engine": "exact",
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"elapsed_s": round(elapsed, 1),
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}
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# ═══════════════════════════════════════════════════════════════
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# Geometric compensations（项目特例；拷贝到其他项目时可删）
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# ═══════════════════════════════════════════════════════════════
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def _apply_geometric_compensations(code: str, part_id: str) -> str:
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"""为SW导出中缺失的特征添加几何补偿切操作"""
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if part_id == "113246":
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if "export_step(result, " not in code:
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return code
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comp = (
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" # === COMPENSATION: 侧槽 (SW缺失特征) ===\n"
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" with BuildSketch(Plane(origin=(-70.0, -13.0, 10.0), "
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"x_dir=(0.0, 1.0, 0.0), z_dir=(1.0, 0.0, 0.0))) as comp_sk:\n"
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" Rectangle(10.0, 3.0, align=(Align.MIN, Align.MIN))\n"
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" comp_cutter = extrude(comp_sk.sketch, amount=10.0)\n"
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" result = safe_subtract(result, comp_cutter)\n"
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)
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code = code.replace("export_step(result, ", comp + " export_step(result, ")
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return code
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