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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_oqparam(job_ini, pkg=None, calculators=None, hc_id=None, validate=1, **kw):
 """ Parse a dictionary of parameters from an INI-style config file. :param job_ini: Path to configuration file/archive or dictionary of parameters :param pkg: Python package where to find the configuration file (optional) :param calculators: Sequence of calculator names (optional) used to restrict the valid choices for `calculation_mode` :param hc_id: Not None only when called from a post calculation :param validate: Flag. By default it is true and the parameters are validated :param kw: String-valued keyword arguments used to override the job.ini parameters :returns: An :class:`openquake.commonlib.oqvalidation.OqParam` instance containing the validate and casted parameters/values parsed from the job.ini file as well as a subdictionary 'inputs' containing absolute paths to all of the files referenced in the job.ini, keyed by the parameter name. """

    # UGLY: this is here to avoid circular imports
    from openquake.calculators import base

    OqParam.calculation_mode.validator.choices = tuple(
        calculators or base.calculators)
    if not isinstance(job_ini, dict):
        basedir = os.path.dirname(pkg.__file__) if pkg else ''
        job_ini = get_params([os.path.join(basedir, job_ini)])
    if hc_id:
        job_ini.update(hazard_calculation_id=str(hc_id))
    job_ini.update(kw)
    oqparam = OqParam(**job_ini)
    if validate:
        oqparam.validate()
    return oqparam