Пример #1
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def test_mol2xyz_exception(caffeine_smiles):
    m = Molecule(caffeine_smiles, 'smiles')
    m.hydrogens('add')
    with pytest.raises(ValueError):
        m.to_xyz()
    with pytest.raises(ValueError):
        m.to_xyz('uff')
Пример #2
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def test_mol2xyz_UFF(caffeine_smiles):
    m = Molecule(caffeine_smiles, 'smiles')
    m.hydrogens('add')
    m.to_xyz('UFF', ignoreInterfragInteractions=False)
    assert m.xyz.geometry.shape[0] == m.rdkit_molecule.GetNumAtoms()
    m.to_xyz('UFF', maxIters=110)
    assert m.xyz.atomic_symbols.shape[0] == m.rdkit_molecule.GetNumAtoms()
    assert m.UFF_args['maxIters'] == 110
    # check default args
    m.to_xyz('UFF', **m._default_UFF_args)
Пример #3
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def test_mol2xyz_MMFF(caffeine_smiles):
    m = Molecule(caffeine_smiles, 'smiles')
    m.hydrogens('add')
    m.to_xyz('MMFF', maxIters=210)
    assert m.xyz.geometry.shape[0] == m.rdkit_molecule.GetNumAtoms()
    m.to_xyz('MMFF', maxIters=110, mmffVariant='MMFF94s')
    assert m.xyz.atomic_symbols.shape[0] == m.rdkit_molecule.GetNumAtoms()
    assert m.MMFF_args['mmffVariant'] == 'MMFF94s'
    # check default args
    m.to_xyz('MMFF', **m._default_MMFF_args)
Пример #4
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def test_hydrogens(caffeine_smiles, caffeine_canonical, caffeine_inchi):
    m = Molecule(caffeine_smiles, 'smiles')
    m.to_smiles()
    assert isinstance(m.rdkit_molecule, Chem.Mol)
    assert m.smiles == caffeine_canonical
    # add hydrogens
    m.hydrogens('add', explicitOnly=False)
    # canonical smiles with hydrogens
    m.to_smiles()
    assert m.smiles == "[H]c1nc2c(c(=O)n(C([H])([H])[H])c(=O)n2C([H])([H])[H])n1C([H])([H])[H]"
    # test inchi
    m = Molecule(caffeine_inchi, 'inchi')
    m.to_inchi()
    assert m.inchi == caffeine_inchi
    # add hydrogens
    m.hydrogens('add')
    m.to_inchi()
    assert m.inchi == caffeine_inchi
Пример #5
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def bagofbounds(mol2, maxentry):
    from chemml.chem import Molecule
    #caffeine_smiles = 'CN1C=NC2=C1C(=O)N(C(=O)N2C)C'
    #caffeine_smarts = '[#6]-[#7]1:[#6]:[#7]:[#6]2:[#6]:1:[#6](=[#8]):[#7](:[#6](=[#8]):[#7]:2-[#6])-[#6]'
    #caffeine_inchi = 'InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3'
    mol = Molecule(Chem.MolToSmiles(mol2), 'smiles')
    mol.hydrogens('add')
    mol.to_xyz(optimizer='MMFF', mmffVariant='MMFF94s', maxIters=300)  # 'UFF'
    print(mol)
    mol.visualize()
    #mol.visualize()

    from chemml.datasets import load_xyz_polarizability
    from chemml.chem import BagofBonds
    #coordinates, y = load_xyz_polarizability(mol)
    bob = BagofBonds(const=1.0)
    features = bob.represent(mol)
    print(features)
    print("number of entry")
    print(features.shape[1])
    if features.shape[1] > maxentry:
        maxentry = features.shape[1]
    return features, maxentry
Пример #6
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def test_hydrogens_exception(caffeine_smiles):
    m = Molecule(caffeine_smiles, 'smiles')
    with pytest.raises(ValueError):
        m.hydrogens('addHs')
Пример #7
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from chemml.chem import Molecule
caffeine_smiles = 'CN1C=NC2=C1C(=O)N(C(=O)N2C)C'
caffeine_smarts = '[#6]-[#7]1:[#6]:[#7]:[#6]2:[#6]:1:[#6](=[#8]):[#7](:[#6](=[#8]):[#7]:2-[#6])-[#6]'
caffeine_inchi = 'InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3'
mol = Molecule(caffeine_smiles, input_type='smiles')
mol.hydrogens('add')
mol.to_xyz(optimizer='MMFF', mmffVariant='MMFF94s', maxIters=300) # 'UFF'
print(mol)
mol.visualize()
#mol.visualize()



from chemml.datasets import load_xyz_polarizability
from chemml.chem import BagofBonds
#coordinates, y = load_xyz_polarizability(mol)
bob = BagofBonds(const= 1.0)
features = bob.represent(mol)
print(features)