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function test_scroll_view()
    cur_photo = display.newSprite("photo.jpg")

    scroll_view = CCScrollView:create()
    scroll_view:setContainer(cur_photo)
    scroll_view:setViewSize(CCSizeMake(640, 960))

    self:addChild(scroll_view)
end

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function main()
    
    triangle = CCPointArray:create(3)

    triangle:add(CCPoint(-100, -100))
    triangle:add(CCPoint(100, -100))
    triangle:add(CCPoint(0, 100))

    content = display.newSprite("Target.jpg")

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class ApiBaseHandler(BaseHandler):

    def prepare(self):
        sign = self.get_argument('sign', None)
        platform = self.get_argument('platform', None)
        if not (sign and platform) or \
           not self.verify_sign(platform, self.request.arguments, sign):
            jsonData = {'status': 401, 'result': 'Bad Sign'}
            self.write(jsonData)
            self.finish()

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"""Utilities for with-statement contexts.  See PEP 343."""

import sys
from functools import wraps

__all__ = ["contextmanager", "nested", "closing"]

class GeneratorContextManager(object):
    """Helper for @contextmanager decorator."""

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# from PEP-343
mgr=statement
exit=type(mgr).__exit__    #not calling it yet
value = type(mgr).__enter__(mgr)
exc = True
try:
    try:
        var=value    #only if "as var " is present
        block
    except: