Tools/Scripts/webkitpy/common/system/zipfileset_mock.py

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def make_factory(ziphashes):
    """ZipFileSet factory routine that looks up zipfiles in a dict;
    each zipfile should also be a dict of member names -> contents."""
    class MockZipFileSet(object):
        def __init__(self, url):
            self._url = url
            self._ziphash = ziphashes[url]

        def namelist(self):
            return self._ziphash.keys()

        def read(self, member):
            return self._ziphash[member]

        def close(self):
            pass

    def maker(url):
        # We return None because there's no tempfile to delete.
        return (None, MockZipFileSet(url))

    return maker