Umut CANandClaude Opus 5
e911a3a8fb
TOOL_PACKS=all (default) | comma list of core,pid. core is everything not
claimed by another pack and can never be dropped; unknown entries are
ignored with a warning. Pack hiding composes with TOOL_PROFILE=lean (the
lean set now carries pid_symbol_insert / pid_line_draw / pid_graph, 50
tools) and ENABLE_3D. system_about reports {enabled, available, ignored};
cad_batch's unknown_tool rejection names the TOOL_PACKS gate.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FKFStjEFzpGyLq5bMpWxTd
127 lines
6.2 KiB
Python
127 lines
6.2 KiB
Python
"""Centralized configuration for AutoCAD MCP Pro."""
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from __future__ import annotations
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import os
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from pathlib import Path
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#: ProgID the live backend attaches to when ``CAD_PROGID`` is unset. The only
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#: CAD this project is developed and tested against.
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DEFAULT_CAD_PROGID = "AutoCAD.Application"
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class Settings:
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"""Server configuration loaded from environment variables."""
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@property
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def backend(self) -> str:
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"""Which engine to run: ``ezdxf``, ``com`` or ``auto``.
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Read live rather than captured in ``__init__``, and deliberately
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read-only. ``_make_backend`` used to read ``os.environ`` itself while
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this attribute had no production reader at all, so
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``monkeypatch.setattr(settings, "backend", "ezdxf")`` looked like a
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guard and was a no-op — on a machine with AutoCAD open that meant a test
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attaching to the operator's live drawing. Late binding is what keeps
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``monkeypatch.setenv`` working for the call sites that pin the headless
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backend correctly; the missing setter is what makes the broken spelling
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fail loudly instead of silently.
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"""
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return os.environ.get("AUTOCAD_MCP_BACKEND", "auto").lower().strip()
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@property
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def cad_progid(self) -> str:
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"""COM ProgID the live backend attaches to.
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Read live and deliberately read-only for the same reasons as
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``backend``: late binding keeps ``monkeypatch.setenv`` working, and the
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missing setter makes a wrong spelling fail loudly rather than look like
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a guard that does nothing.
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Stripped but **not** lowercased — the value is echoed back in error
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messages and ``system_status``, where ``gstarcad.application`` reads
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like a typo we introduced. Never validated against what is actually
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registered on the machine: an unrecognised ProgID is not "invalid", it
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is unverifiable by us, and only AutoCAD is tested.
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"""
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return os.environ.get("CAD_PROGID", "").strip() or DEFAULT_CAD_PROGID
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def __init__(self):
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self.log_level: str = os.environ.get("LOG_LEVEL", "INFO").upper().strip()
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raw_paths = os.environ.get("ALLOWED_PATHS", "").strip()
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self.allowed_paths: list[Path] = []
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if raw_paths:
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for p in raw_paths.split(","):
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p = p.strip()
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if p:
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self.allowed_paths.append(Path(p).resolve())
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self.max_undo_stack: int = int(os.environ.get("MAX_UNDO_STACK", "5"))
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self.dangerous_commands_enabled: bool = (
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os.environ.get("DANGEROUS_COMMANDS_ENABLED", "false").lower().strip() == "true"
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)
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# Reject opening DXF files larger than this many bytes (default 50 MB).
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# Set to 0 to disable the check.
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self.max_dxf_bytes: int = int(os.environ.get("MAX_DXF_BYTES", str(50 * 1024 * 1024)))
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# Hard cap on list/select limit params to keep tool responses bounded.
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self.max_list_limit: int = int(os.environ.get("MAX_LIST_LIMIT", "5000"))
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# Per-call COM timeout. AutoCAD hangs (modal dialogs, long Regen) would
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# otherwise block the single-thread STA executor forever.
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self.com_call_timeout: float = float(os.environ.get("COM_CALL_TIMEOUT", "60"))
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# Per-call timeout for the headless ezdxf backend. Every ezdxf method
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# runs under one document lock, so a single hung call (pathological DXF,
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# a render that never returns) would otherwise hold that lock forever
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# and deadlock every later tool call. Higher than com_call_timeout
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# because matplotlib PDF/PNG rendering of a large drawing is legitimately
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# slow. Set to 0 to disable the check.
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self.ezdxf_call_timeout: float = float(os.environ.get("EZDXF_CALL_TIMEOUT", "120"))
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# How many undo steps the headless backend keeps. 0 = off, which is the
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# default because it is not free: ezdxf has no journal, so a step is a
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# full DXF snapshot. Measured — 10 entities 3.1 ms / 19 KB, 1000
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# entities 28 ms / 146 KB, 5000 entities 130 ms / 658 KB — and the cost
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# is paid on every mutating call, so switching it on for a large drawing
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# is a real trade the user should make deliberately rather than inherit.
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self.ezdxf_undo_depth: int = max(0, int(os.environ.get("EZDXF_UNDO_DEPTH", "0")))
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# HTTP transport: refuse non-loopback bind unless explicitly opted in.
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self.allow_remote_http: bool = (
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os.environ.get("ALLOW_REMOTE_HTTP", "false").lower().strip() == "true"
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)
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self.mcp_auth_token: str = os.environ.get("MCP_AUTH_TOKEN", "").strip()
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# Exposed tool profile: "full" (default, everything) or "lean" (a
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# curated ~47-tool drafting/inspection core for clients with tight tool
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# caps). Invalid values fall back to "full" with a warning at startup;
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# so does the "core" profile removed in v1.5.0 (see
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# server.REMOVED_TOOL_PROFILES).
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self.tool_profile: str = os.environ.get("TOOL_PROFILE", "full").lower().strip()
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# Tool packs: "all" (default) advertises every vertical pack; a comma
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# list ("core,pid") advertises only those. core cannot be disabled.
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self.tool_packs: str = os.environ.get("TOOL_PACKS", "all").lower().strip()
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# Tool discovery: "off" (default) advertises the full catalog; "search"
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# replaces it with a search tool plus a call_tool proxy (see
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# discovery/transform.py and server._apply_discovery_mode).
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#
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# Default "off" deliberately. "search" is the intended v1.x default,
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# but flipping it changes what every connected client sees on
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# list_tools — a breaking wire-level change that needs its own
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# migration note and README pass, neither of which ships in v1.5.0.
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# Invalid values fall back to "off" with a warning at startup.
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self.discovery_mode: str = os.environ.get("DISCOVERY_MODE", "off").lower().strip()
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# Opt-in 3D solids (COM backend only). Disabled by default because the
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# headless backend cannot produce ACIS solids and live 3D modifies real
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# documents; enable deliberately.
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self.enable_3d: bool = os.environ.get("ENABLE_3D", "false").lower().strip() == "true"
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settings = Settings()
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