File: __init__.py

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python-ase 3.21.1-2
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import pytest
import os


def installed():
    for env in ['VASP_COMMAND', 'VASP_SCRIPT']:
        if os.getenv(env):
            break
    else:
        pytest.skip('Neither VASP_COMMAND nor VASP_SCRIPT defined')
    return True


def installed2():
    # Check if env variables exist for Vasp2

    for env in ['VASP_COMMAND', 'VASP_SCRIPT', 'ASE_VASP_COMMAND']:
        if os.getenv(env):
            break
    else:
        pytest.skip('Neither ASE_VASP_COMMAND, VASP_COMMAND nor '
                    'VASP_SCRIPT defined')

    return True