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utils.py
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utils.py
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import random
class MultiResultCallbackHandler(object):
def __init__(self, cb=None):
self._count = 0
self._results = []
self._cb = cb
def result_cb(res):
self._results.append(res)
if len(self._results)==self._count:
self._fire()
self._result_cb = result_cb
def _fire(self):
if self._cb:
self._cb(self._results)
def get_cb(self):
self._count+=1
return self._result_cb
class MultiBoolCallbackHandler(MultiResultCallbackHandler):
def _fire(self):
if self._cb:
self._cb(all(self._results))
def get_random_string(min_length=5, max_length=15):
chrs = [chr(x) for x in range(ord('A'), ord('Z')+1)]
chrs.extend([chr(x) for x in range(ord('a'), ord('z')+1)])
return ''.join(random.choice(chrs) for i in
xrange(random.randint(min_length, max_length)))