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https://github.com/GNS3/gns3-server.git
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5e8272fdd8
The text drawing tool was MCP-only; the copilot needs the same capability and its area-annotation helper carried the same Web UI compat bugs. Split into three layers with a single implementation: - gns3server/utils/drawings.py: pure SVG builders (text, rectangle, ellipse) with full input validation (ValueError) — the Web UI format knowledge lives in core utils next to picture.py - api_handlers.py: shared REST handlers (create_text_drawing_handler moved here, create_rectangle/ellipse_drawing_handler added) — the layer both consumers already share - thin shells: MCP tools (drawing_create_text unchanged, plus new drawing_create_rectangle/_ellipse) and three LangChain tools (tools_v2/gns3_create_drawing.py) registered in both copilot mode lists Shape builder details: - rectangle: solid fill or "none", stroke block emitted only when a stroke is given, rx corner radius, dasharray validated against the Web UI's Qt remap table (QtDasharrayFixer rewrites those patterns) - ellipse: bounding-box API; cx/cy derived as offsets inside the drawing box (the Web UI treats them as box-relative, not canvas coordinates); odd sizes round down and the actual size is returned gns3_drawing_utils now delegates to the shared builders, fixing the px-blind sizing, the ignored text-anchor/x/y centering and the missing XML escaping in the area-annotation path.
99 lines
4.0 KiB
Python
99 lines
4.0 KiB
Python
#
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# Copyright (C) 2026 GNS3 Technologies Inc.
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# Author: Yue Guobin
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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MCP tool handlers for GNS3 drawing management.
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"""
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import logging
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from typing import Any
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log = logging.getLogger(__name__)
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# ── Helper ─────────────────────────────────────────────────────────────────
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def _get_connector(gns3_ctx: dict[str, Any]):
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from gns3server.agent.gns3_copilot.gns3_client.connector import Gns3Connector
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return Gns3Connector(
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url=gns3_ctx["server_url"],
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jwt_token=gns3_ctx["jwt_token"],
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api_version=3,
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verify=False,
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)
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# ── Tool handlers ──────────────────────────────────────────────────────────
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def get_drawings_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
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project_id = params.get("project_id")
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if not project_id:
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return {"error": "project_id is required"}
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conn = _get_connector(gns3_ctx)
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drawings = conn.http_call("get", f"{conn.base_url}/projects/{project_id}/drawings").json()
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return {"drawings": drawings, "count": len(drawings)}
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def create_drawing_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
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project_id = params.get("project_id")
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svg = params.get("svg")
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if not project_id or not svg:
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return {"error": "project_id and svg are required"}
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conn = _get_connector(gns3_ctx)
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data = {
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"svg": svg,
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"x": params.get("x", 0),
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"y": params.get("y", 0),
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"z": params.get("z", 0),
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"locked": params.get("locked", False),
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"rotation": params.get("rotation", 0),
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}
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result = conn.http_call("post", f"{conn.base_url}/projects/{project_id}/drawings", json_data=data).json()
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return {"message": "Drawing created", "drawing": result}
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def get_drawing_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
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project_id = params.get("project_id")
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drawing_id = params.get("drawing_id")
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if not project_id or not drawing_id:
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return {"error": "project_id and drawing_id are required"}
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conn = _get_connector(gns3_ctx)
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return conn.http_call("get", f"{conn.base_url}/projects/{project_id}/drawings/{drawing_id}").json()
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def update_drawing_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
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project_id = params.get("project_id")
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drawing_id = params.get("drawing_id")
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if not project_id or not drawing_id:
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return {"error": "project_id and drawing_id are required"}
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conn = _get_connector(gns3_ctx)
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data = {k: v for k, v in params.items() if k not in ("project_id", "drawing_id") and v is not None}
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return conn.http_call("put", f"{conn.base_url}/projects/{project_id}/drawings/{drawing_id}", json_data=data).json()
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def delete_drawing_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
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project_id = params.get("project_id")
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drawing_id = params.get("drawing_id")
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if not project_id or not drawing_id:
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return {"error": "project_id and drawing_id are required"}
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conn = _get_connector(gns3_ctx)
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conn.http_call("delete", f"{conn.base_url}/projects/{project_id}/drawings/{drawing_id}")
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return {"message": f"Drawing {drawing_id} deleted", "drawing_id": drawing_id}
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