INNER CODE UNIT · Python

check_files

Electrostatics/pdb2pqr · pdb2pqr/main.py:260

def check_files(args):
    """Check for other necessary files.

    :param args:  command-line arguments
    :type args:  argparse.Namespace
    :raises FileNotFoundError:  necessary files not found
    :raises RuntimeError:  input argument or file parsing problems
    """
    if args.usernames is not None:
        usernames = Path(args.usernames)
        if not usernames.is_file():
            error = f"User-provided names file does not exist: {usernames}"
            raise FileNotFoundError(error)
    if args.userff is not None:
        userff = Path(args.userff)
        if not userff.is_file():
            error = f"User-provided forcefield file does not exist: {userff}"
            raise FileNotFoundError(error)

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