demo of context manager and loop break/continue behaviour

gistfile1.py

class DebugContext(object):
    def __init__(self):
        print self.__class__, "init"

    def __enter__(self):
        print self.__class__, "enter"

    def __exit__(self, type, value, traceback):
        print self.__class__, type, value, traceback
        print self.__class__, "exit"



i = 0
while True:
    print "loop start"

    with DebugContext() as c:
        i += 1
        print "I'm in"
        if i == 3:
            print "Breaking"
            break
        elif i == 2:
            print "Continuing"
            continue

    print "loop end"