frame_dataset_custom.py 文件源码

def select_file(self, _default_extension, _file_types):
        """Brings up a selector dialog, prompting the user to select a file,
        the relative path if the file is then saved to the filename property.
        Also, the base path is set.
        """
        if self.is_destination is True:
            _filename = filedialog.asksaveasfilename(initialdir=os.path.dirname(self.filename.get()),
                                               defaultextension=_default_extension,
                                               filetypes=_file_types,
                                               title="Choose destination file")
        else:
            _filename = filedialog.askopenfilename(initialdir=os.path.dirname(self.filename.get()),
                                               defaultextension=_default_extension,
                                               filetypes=_file_types,
                                               title="Choose source file")
        if _filename:
            self.base_path = os.path.dirname(_filename)
            self.filename.set(os.path.relpath(_filename, self.base_path))