[eschwartz]

Try:

Func: "Upper-case text then Title-case it"

from calibre.utils.icu import upper
from calibre.utils.titlecase import titlecase
from calibre.ebooks.oeb.polish.utils import apply_func_to_match_groups

def replace(match, number, file_name, metadata, dictionaries, data, functions, *args, **kwargs):
    '''Title-case matched text. If the regular expression contains groups,
    only the text in the groups will be changed, otherwise the entire text is
    changed.'''
    text = apply_func_to_match_groups(match, upper)
    
    '''Now return it titlecased.'''
    return titlecase(text)