def select_by_ext(self, ext, recursive=True):
        """
        Select file path by extension.

        :param ext:

        **中文文档**

        选择与预定义的若干个扩展名匹配的文件。
        """
        ext = [ext.strip().lower() for ext in ensure_list(ext)]

        def filters(p): return p.suffix.lower() in ext

        return self.select_file(filters, recursive)
def select_by_ext(self, ext, recursive=True):
        """
        Select file path by extension.

        :param ext:

        **中文文档**

        选择与预定义的若干个扩展名匹配的文件。
        """
        ext = [ext.strip().lower() for ext in ensure_list(ext)]

        def filters(p): return p.suffix.lower() in ext

        return self.select_file(filters, recursive)
def select_by_ext ( self , ext , recursive = True ) : ext = [ ext . strip ( ) . lower ( ) for ext in ensure_list ( ext ) ] def filters ( p ) : return p . suffix . lower ( ) in ext return self . select_file ( filters , recursive )
Select file path by extension.

        :param ext:

        **中文文档**

        选择与预定义的若干个扩展名匹配的文件。
Select file path by extension .