9c7f926d6d70a994c3710ce570bb9807519ef090,lib/matplotlib/backends/backend_agg.py,FigureCanvasAgg,print_png,#FigureCanvasAgg#Any#,456

Before Change

        version_str = (
            "matplotlib version " + __version__ + ", http://matplotlib.org/")
        metadata = OrderedDict({"Software": version_str})
        user_metadata = kwargs.pop("metadata", None)
        if user_metadata is not None:
            metadata.update(user_metadata)

After Change

            buf, size = self.print_to_buffer()
            // Only use the metadata kwarg if pnginfo is not set, because the
            // semantics of duplicate keys in pnginfo is unclear.
            if "pnginfo" not in pil_kwargs:
                pnginfo = PngInfo()
                for k, v in metadata.items():
                    pnginfo.add_text(k, v)
                pil_kwargs["pnginfo"] = pnginfo
            pil_kwargs.setdefault("dpi", (self.figure.dpi, self.figure.dpi))
            (Image.frombuffer("RGBA", size, buf, "raw", "RGBA", 0, 1)
             .save(filename_or_obj, format="png", **pil_kwargs))

Instances