twitter_status_decorator.py

import curtana.lib.parser as P

def withcolor(color):
    return lambda text: '\033[1;%dm%s\033[1;m' % (color, text)

def is_hashtag_char(c):
    return c == "_" or c.isalnum() or 12353 <= ord(c) <= 12534 or 20124 <= ord(c) <= 40657

SCREEN_NAME = P.StringA ** P.Char("@") * P.join ** +(P.alnum | P.Char("_"))
HASHTAG = P.StringA ** P.Char("#") * P.join ** +P.Sat(is_hashtag_char)

def arrangetext():
    return P.Null() | withcolor(35) ** HASHTAG | \
        P.StringA ** (P.Char("&") >> (P.String("gt;") >> P.Return(">")
                                       | P.String("lt;") >> P.Return("<"))
                       | withcolor(36) ** SCREEN_NAME
                       | P.StringA ** P.Char(" ") * withcolor(35) ** HASHTAG
                       | P.AnyChar()
                       ) * P.Delay(arrangetext)