requirements.txt

# Python dependencies for PyLCSS.
#
# Native solver binaries are intentionally not listed here. CalculiX `ccx`
# and OpenRadioss `starter_*` / `engine_*` / `anim_to_vtk` are external
# executables. Install or locate them with:
#
#     python scripts/install_solvers.py
#
# The installer writes external_solvers/solver_paths.json, which PyLCSS reads
# automatically at runtime.

# Core scientific stack
numpy==2.2.6
scipy==1.15.2
pandas==2.2.2

# Desktop UI
PySide6==6.10.1
NodeGraphQt==0.6.43
pyqtgraph==0.14.0
QtAwesome==1.3.1

# Geometry, meshing, FEA data, and visualization
cadquery==2.6.1
vtk==9.3.1
scikit-fem==11.0.0
netgen-mesher==6.2.2506
meshio==5.3.5
scikit-image==0.26.0
numpy-stl==3.2.0
trimesh==4.5.3
fast-simplification==0.1.13
rtree==1.4.1
tetgen==0.8.4
# 3-D centreline skeletonisation (TEASAR) for the Skeleton NURBS Sweep CAD mode.
# crackle-codec is a required kimimaro runtime dependency not pulled in by default.
kimimaro==5.8.1
crackle-codec==0.42.0

# Optimization and sensitivity analysis
nevergrad==1.0.4
SALib==1.5.2
pymoto==2.0.1
pypardiso==0.4.7

# Machine learning and surrogate models
torch==2.9.1
scikit-learn==1.8.0
hdbscan==0.8.41
joblib==1.5.3

# Units, graph utilities, and serialization
pint==0.25.2
h5py>=3.11.0
dill==0.4.1
networkx==3.3

# Tabular I/O
openpyxl==3.1.5

# AI assistant (LLM agent) — PydanticAI native function-calling
pydantic==2.12.5
pydantic-ai-slim[openai,anthropic,google]==1.96.1

# Utilities
py7zr==0.20.8
packaging==26.0
pyautogui==0.9.54
simpleeval==1.0.3
pyperclip==1.11.0
numba==0.63.1