midas-nx 0.4.0

Independent, unified Python SDK for the MIDAS NX Open API (Civil NX + Gen NX)

midas-nx

An independent, unified Python SDK for the MIDAS NX Open API (MIDAS Civil NX + MIDAS Gen NX).

Unlike MIDASIT's official midas-civil / midas-gen packages — separate, near-duplicated codebases per product, covering roughly a third of the documented API surface — midas_nx is a single package for both products, built directly against the endpoint schema documented at Dennis5882/MIDAS-API. See ROADMAP.md for what's implemented so far vs. planned.

This is an unofficial, community project — not affiliated with or endorsed by MIDASIT.

Install

pip install -e ".[dev]"   # from a checkout, for development

Quick start

from midas_nx import MidasClient, Product
from midas_nx import doc
from midas_nx.db.project import Unit
from midas_nx.db.properties.material import Material
from midas_nx.db.properties.section import Section
from midas_nx.db.node_element import Node, Element

client = MidasClient(mapi_key="your-mapi-key-here", product=Product.GEN)

doc.new_project(client=client)

Unit.update({1: {"DIST": "M", "FORCE": "TONF"}}, client=client)

Material.create({1: {
    "TYPE": "CONC", "NAME": "C32",
    "PARAM": [{"P_TYPE": 1, "STANDARD": "AS17(RC)", "DB": "C32"}],
}}, client=client)

Section.create({1: {
    "SECTTYPE": "DBUSER", "SECT_NAME": "H300x150",
    "SECT_BEFORE": {
        "SHAPE": "H", "OFFSET_PT": "CC", "DATATYPE": 1,
        "SECT_I": {"DB_NAME": "KS21", "SECT_NAME": "H300x150x6.5/9"},
    },
}}, client=client)

Node.create({
    1: {"X": 0, "Y": 0, "Z": 0},
    2: {"X": 0, "Y": 0, "Z": 3.2},
}, client=client)

Element.create({1: {
    "TYPE": "BEAM", "MATL": 1, "SECT": 1, "NODE": [1, 2], "ANGLE": 0,
}}, client=client)

doc.save(client=client)

Or use the low-level free function directly (same calling convention as the MIDAS-API manual repo's examples):

from midas_nx import configure, MidasAPI

configure(mapi_key="your-mapi-key-here", product="gen")
MidasAPI("POST", "/doc/NEW", {"Argument": {}})

Design

• Instance-based MidasClient — no global mutable state; errors raise typed exceptions (MidasAuthError, MidasNotFoundError, ...) instead of killing the process.
• Unified Gen/Civil — MidasClient(product=Product.GEN | Product.CIVIL); each resource class declares which product(s) it supports (PRODUCTS), and calling a Civil-only resource against a Gen client raises ProductMismatchError by default (strict_product=False to only warn).
• /db/* resources are DbResource subclasses with .create()/.get()/.update()/.delete() classmethods; TypedDict payload types document each endpoint's schema (from docs/manual/*.md in the sibling repo) for editor/type-checker support, without runtime payload validation — schemas are too conditional (see e.g. the Eurocode moving-load endpoint, 5 mutually-exclusive variants) for a one-size-fits-all validated model.
• /doc/* lifecycle endpoints are plain functions (doc.new_project(), doc.save(), ...) — not ID-keyed, wrapped in "Argument" rather than "Assign".

See docs/coverage.json / ROADMAP.md for the full endpoint list, what's implemented, and where new endpoints should go.

Testing

No live MIDAS Gen/Civil NX server is required — all tests mock HTTP via responses and assert request shape (URL, headers, JSON body) against what the manual documents.

pytest

Contributing

Pick an unimplemented endpoint from ROADMAP.md, follow the pattern in src/midas_nx/db/node_element.py (or doc.py for /doc/*//ope/*//view/*-style plain-function endpoints), and add a test mirroring tests/db/test_node_element.py. Mark it "implemented" in docs/coverage.json (see scripts/gen_roadmap.py) and regenerate ROADMAP.md.

License

MIT — see LICENSE.