backuper.py 文件源码

def backup_propic(self):
        """Backups the profile picture for the given
           entity as the current peer profile picture, returning its path"""

        # Allow multiple versions of the profile picture
        # TODO Maybe this should be another method, because when downloading media... We also have multiple versions
        filename = self.media_handler.get_propic_path(self.entity, allow_multiple=True)
        generic_filename = self.media_handler.get_propic_path(self.entity)
        if filename:  # User may not have a profile picture
            if not isfile(filename):
                # Only download the file if it doesn't exist yet
                self.client.download_profile_photo(self.entity.photo,
                                                   file_path=filename,
                                                   add_extension=False)
                # If we downloaded a new version, copy it to the "default" generic file
                if isfile(generic_filename):
                    remove(generic_filename)
                shutil.copy(filename, generic_filename)

            # The user may not have a profile picture
            return generic_filename