wsgi.py 文件源码

def __init__(self, app, exports, disallow=None, cache=True,
                 cache_timeout=60 * 60 * 12, fallback_mimetype='text/plain'):
        self.app = app
        self.exports = {}
        self.cache = cache
        self.cache_timeout = cache_timeout
        for key, value in iteritems(exports):
            if isinstance(value, tuple):
                loader = self.get_package_loader(*value)
            elif isinstance(value, string_types):
                if os.path.isfile(value):
                    loader = self.get_file_loader(value)
                else:
                    loader = self.get_directory_loader(value)
            else:
                raise TypeError('unknown def %r' % value)
            self.exports[key] = loader
        if disallow is not None:
            from fnmatch import fnmatch
            self.is_allowed = lambda x: not fnmatch(x, disallow)
        self.fallback_mimetype = fallback_mimetype