=
84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
# -----------------------------------------------------------------------------
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# Description: Backend integration wrapper for required mxpic_router project GDS generation.
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# Inside functions: build_project_gds, _build_with_mxpic_router, _load_project_cells
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# Developer : Qin Yue @ 2026
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# Organization : OptiHK Limited
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# -----------------------------------------------------------------------------
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import tempfile
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from dataclasses import dataclass, field
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from typing import List
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from layout_files import load_layout_cell_files, write_layout_cells_to_directory
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from router_dependency import require_router_stack
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@dataclass
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class BuildResult:
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"""Container for GDS build output paths, status details, and engine metadata."""
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output_path: str
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engine: str
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cells_built: List[str] = field(default_factory=list)
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warnings: List[str] = field(default_factory=list)
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def build_project_gds(
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project_dir: str,
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output_path: str,
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pdk_public_root: str,
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technology_manifest_path: str = None,
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prefer_full_gds: bool = False,
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) -> BuildResult:
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"""Build a hierarchical project GDS from saved cell YAML files with mxpic_router."""
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cells, warnings = _load_project_cells(project_dir)
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if not cells:
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raise ValueError("No saved cell YAML files found for this project")
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with tempfile.TemporaryDirectory(prefix="mxpic_gds_project_") as staged_project_dir:
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write_layout_cells_to_directory(cells, staged_project_dir)
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result = _build_with_mxpic_router(
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staged_project_dir,
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output_path,
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pdk_public_root,
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technology_manifest_path,
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prefer_full_gds,
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)
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return BuildResult(
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output_path=result.output_path,
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engine=result.engine,
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cells_built=result.cells_built,
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warnings=warnings + result.warnings,
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)
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def _build_with_mxpic_router(
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project_dir: str,
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output_path: str,
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pdk_root: str,
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technology_manifest_path: str,
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prefer_full_gds: bool,
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) -> BuildResult:
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"""Delegate project GDS generation to the required external mxpic_router package."""
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require_router_stack()
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from mxpic_router import build_project_gds as build_routed_project_gds
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result = build_routed_project_gds(
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project_dir=project_dir,
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output_path=output_path,
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pdk_root=pdk_root,
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technology_manifest_path=technology_manifest_path,
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prefer_full_gds=prefer_full_gds,
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)
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return BuildResult(
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output_path=result.get("output_path", output_path),
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engine=result.get("engine", "mxpic_router"),
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cells_built=result.get("cells_built", []),
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warnings=result.get("warnings", []),
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)
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def _load_project_cells(project_dir: str):
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"""Load saved cell YAML documents from a project directory."""
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return load_layout_cell_files(project_dir)
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