Python string formatting eval

strformat.py

PINK = '\033[95m'
BLUE = '\033[94m'
GREEN = '\033[92m'
YELLOW = '\033[93m'
RED = '\033[91m'
ENDC = '\033[0m'

for i in range(0, 10, 2):
    print "{0} {1:^{2}}{3}".format(RED, '(', i, ENDC)

from datetime import datetime
import string
class ForIn(object):
    def __format__(self, s):
        loop, template = s.split(':', 1)

        var_name, method =  map(string.strip, loop.split('in', 1))

        method, args = method.split('(', 1)

        args = args.strip(')')

        method = getattr(locals(), method, None) or \
                 getattr(globals(), method, None) or \
                 getattr(__builtins__, method, None)

        if method:
            s = ''
            for var in method(int(args)):
                locals()[var_name] = var
                s += template.format(**locals())
            return s

class Eval(object):
    def __format__(self, s):
        return str(eval(s))

print """{For: i in range(10):<li>{{i}}</li>}{Eval: RED + 'dog' + ENDC}""".format(For=ForIn(), Eval=Eval())
print "Today is: {0:%H %M:%S}".format(datetime.now())