fit.py 文件源码

def __init__(self, data=None, magnification=None, n_sources=None):
        # Initialize self._datasets, self._magnification, and self._n_sources
        if isinstance(data, list):
            self._datasets = data
        else:
            self._datasets = [data]

        if isinstance(magnification, list):
            self._magnification = magnification
        else:
            self._magnificaiton = [magnification]

        if magnification is None and n_sources is None:
            raise ValueError(
                'Fit class requires magnifications vectors' +
                ' or number of sources directly specified')
        self._n_sources = n_sources

        # Set up numpy ndarrays for flux parameters
        self._flux_blending = dict()
        self._flux_sources = dict()