Function dump_frames

alphapy/frame.py:282–311

r"""Save a group of data frames to disk. Parameters ---------- group : alphapy.Group The collection of frames to be saved to the file system. directory : str Full directory specification. extension : str File name extension, e.g., ``csv``. separator :

(group, directory, extension, separator)

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def dump_frames(group, directory, extension, separator):        
    r"""Save a group of data frames to disk.

    Parameters
    ----------
    group : alphapy.Group
        The collection of frames to be saved to the file system.
    directory : str
        Full directory specification.
    extension : str
        File name extension, e.g., ``csv``.
    separator : str
        The delimiter between fields in the file.

    Returns
    -------
    None : None

    """
    logger.info("Dumping frames from %s", directory)
    gnames = [item.lower() for item in group.members]
    gspace = group.space
    for gn in gnames:
        fname = frame_name(gn, gspace)
        if fname in Frame.frames:
            logger.info("Writing Data Frame for %s", fname)
            df = Frame.frames[fname].df
            write_frame(df, directory, fname, extension, separator, index=True)
        else:
            logger.info("Data Frame for %s not found", fname)


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