Andre Alexander Bell wrote: > On 09/15/2010 10:00 AM, Peter Otten wrote: >> def extract_names(t, recurse=1): >> for _, name, fmt, _ in t._formatter_parser(): >> if name is not None: >> yield name >> if recurse and fmt is not None: >> for name in extract_names(fmt, recurse-1): >> yield name > > Thanks Peter, I very much like this generator solution. It will work for > all situations I can currently think of. > > However, one thing remains. It is based on the _format_parser method. > And as I wrote in my original post this one - since it starts with _ - > suggests to me to better not be used. So if using this method is > completely ok, why does it start with _, why is it almost undocumented? > Or did I miss something, some docs somewhere?
Sorry, I really should have read your original post carefully/completely. It would have spared me from finding _formatter_parser() independently... I personally would not be too concerned about the leading underscore, but you can use string.Formatter().parse(template) instead. Peter -- http://mail.python.org/mailman/listinfo/python-list
