How to use the httplib2.Http.__init__ function in httplib2

def __init__(self, timeout, proxy=None, cacert=None, sessions=False):
#            httplib2.debuglevel=4 
            kwargs = {}
            if proxy:
                import socks
                kwargs['proxy_info'] = httplib2.ProxyInfo(proxy_type=socks.PROXY_TYPE_HTTP, **proxy)
                log.info("using proxy %s" % proxy)

            # set optional parameters according to supported httplib2 version
            if httplib2.__version__ >= '0.3.0':
                kwargs['timeout'] = timeout
            if httplib2.__version__ >= '0.7.0':
                kwargs['disable_ssl_certificate_validation'] = cacert is None
                kwargs['ca_certs'] = cacert
            httplib2.Http.__init__(self, **kwargs)

def __init__(self, consumer, token=None, cache=None, timeout=None,
        proxy_info=None):

        if consumer is not None and not isinstance(consumer, Consumer):
            raise ValueError("Invalid consumer.")

        if token is not None and not isinstance(token, Token):
            raise ValueError("Invalid token.")

        self.consumer = consumer
        self.token = token
        self.method = SignatureMethod_HMAC_SHA1()

        httplib2.Http.__init__(self, cache=cache, timeout=timeout, proxy_info=proxy_info)

def __init__(self, consumer, token=None, cache=None, timeout=None,
        proxy_info=None):

        if consumer is not None and not isinstance(consumer, Consumer):
            raise ValueError("Invalid consumer.")

        if token is not None and not isinstance(token, Token):
            raise ValueError("Invalid token.")

        self.consumer = consumer
        self.token = token
        self.method = SignatureMethod_HMAC_SHA1()

        httplib2.Http.__init__(self, cache=cache, timeout=timeout, proxy_info=proxy_info)

def __init__(self, consumer, token=None, cache=None, timeout=None,
        proxy_info=None):

        if consumer is not None and not isinstance(consumer, Consumer):
            raise ValueError("Invalid consumer.")

        if token is not None and not isinstance(token, Token):
            raise ValueError("Invalid token.")

        self.consumer = consumer
        self.token = token
        self.method = SignatureMethod_HMAC_SHA1()

        httplib2.Http.__init__(self, cache=cache, timeout=timeout, 
            proxy_info=proxy_info)

def __init__(self, consumer, token=None, cache=None, timeout=None,
        proxy_info=None):

        if consumer is not None and not isinstance(consumer, Consumer):
            raise ValueError("Invalid consumer.")

        if token is not None and not isinstance(token, Token):
            raise ValueError("Invalid token.")

        self.consumer = consumer
        self.token = token
        self.method = SignatureMethod_HMAC_SHA1()

        httplib2.Http.__init__(self, cache=cache, timeout=timeout, proxy_info=proxy_info)

def __init__(self, consumer, token=None, cache=None, timeout=None,
        proxy_info=None):

        if consumer is not None and not isinstance(consumer, Consumer):
            raise ValueError("Invalid consumer.")

        if token is not None and not isinstance(token, Token):
            raise ValueError("Invalid token.")

        self.consumer = consumer
        self.token = token
        self.method = SignatureMethod_HMAC_SHA1()

        httplib2.Http.__init__(self, cache=cache, timeout=timeout, proxy_info=proxy_info)

def __init__(self, consumer, token=None, cache=None, timeout=None,
        proxy_info=None):

        if consumer is not None and not isinstance(consumer, Consumer):
            raise ValueError("Invalid consumer.")

        if token is not None and not isinstance(token, Token):
            raise ValueError("Invalid token.")

        self.consumer = consumer
        self.token = token
        self.method = SignatureMethod_HMAC_SHA1()

        httplib2.Http.__init__(self, cache=cache, timeout=timeout, 
            proxy_info=proxy_info)

def __init__(self, cookiejar=None, **kws):
        # note that httplib2.Http is not a new-style-class
        Http.__init__(self, **kws)
        if cookiejar is None:
            cookiejar = cookielib.CookieJar()
        self.cookiejar = cookiejar

def __init__(self, consumer, token=None, cache=None, timeout=None,
        proxy_info=None):

        if consumer is not None and not isinstance(consumer, Consumer):
            raise ValueError("Invalid consumer.")

        if token is not None and not isinstance(token, Token):
            raise ValueError("Invalid token.")

        self.consumer = consumer
        self.token = token
        self.method = SignatureMethod_HMAC_SHA1()

        httplib2.Http.__init__(self, cache=cache, timeout=timeout, 
            proxy_info=proxy_info)

def __init__(self, cookiejar=None, **kws):
        # note that httplib2.Http is not a new-style-class
        Http.__init__(self, **kws)
        if cookiejar is None:
            cookiejar = cookielib.CookieJar()
        self.cookiejar = cookiejar