"""
Base module for MOF tools.
Provides common imports, constants, and base classes used across all tools.
"""
from io import StringIO
from typing import List, Optional
from pydantic import BaseModel, Field, field_validator, ValidationError, ConfigDict
import ase.io
from ase import Atoms
from ase.calculators.emt import EMT
from ase.optimize import BFGS, LBFGS, FIRE
from ase.filters import FrechetCellFilter
try:
from ase.constraints import FixSymmetry
except ImportError:
# Some ASE versions might have it elsewhere or not at all
FixSymmetry = None
__all__ = ['Atoms', 'EMT', 'BFGS', 'LBFGS', 'FIRE', 'FrechetCellFilter', 'FixSymmetry',
'BaseModel', 'Field', 'field_validator', 'ValidationError',
'ConfigDict', 'Optional', 'List', 'StringIO', 'ase']
