예제 #1
0
    def __init__(self, host, aws_access_key_id=None, aws_secret_access_key=None,
                 is_secure=True, port=None, proxy=None, proxy_port=None,
                 proxy_user=None, proxy_pass=None, debug=0,
                 https_connection_factory=None, path='/', provider='aws'):
        """
        :type host: str
        :param host: The host to make the connection to

        :keyword str aws_access_key_id: Your AWS Access Key ID (provided by
            Amazon). If none is specified, the value in your
            ``AWS_ACCESS_KEY_ID`` environmental variable is used.
        :keyword str aws_secret_access_key: Your AWS Secret Access Key
            (provided by Amazon). If none is specified, the value in your
            ``AWS_SECRET_ACCESS_KEY`` environmental variable is used.

        :type is_secure: boolean
        :param is_secure: Whether the connection is over SSL

        :type https_connection_factory: list or tuple
        :param https_connection_factory: A pair of an HTTP connection
                                         factory and the exceptions to catch.
                                         The factory should have a similar
                                         interface to L{httplib.HTTPSConnection}.

        :param str proxy: Address/hostname for a proxy server

        :type proxy_port: int
        :param proxy_port: The port to use when connecting over a proxy

        :type proxy_user: str
        :param proxy_user: The username to connect with on the proxy

        :type proxy_pass: str
        :param proxy_pass: The password to use when connection over a proxy.

        :type port: int
        :param port: The port to use to connect
        """
        self.num_retries = 5
        # Override passed-in is_secure setting if value was defined in config.
        if config.has_option('Boto', 'is_secure'):
            is_secure = config.getboolean('Boto', 'is_secure')
        self.is_secure = is_secure
        # Whether or not to validate server certificates.  At some point in the
        # future, the default should be flipped to true.
        self.https_validate_certificates = config.getbool(
                'Boto', 'https_validate_certificates', False)
        if self.https_validate_certificates and not HAVE_HTTPS_CONNECTION:
            raise BotoClientError(
                    "SSL server certificate validation is enabled in boto "
                    "configuration, but Python dependencies required to "
                    "support this feature are not available. Certificate "
                    "validation is only supported when running under Python "
                    "2.6 or later.")
        self.ca_certificates_file = config.get_value(
                'Boto', 'ca_certificates_file', DEFAULT_CA_CERTS_FILE)
        self.handle_proxy(proxy, proxy_port, proxy_user, proxy_pass)
        # define exceptions from httplib that we want to catch and retry
        self.http_exceptions = (httplib.HTTPException, socket.error,
                                socket.gaierror)
        # define subclasses of the above that are not retryable.
        self.http_unretryable_exceptions = []
        if HAVE_HTTPS_CONNECTION:
            self.http_unretryable_exceptions.append(ssl.SSLError)
            self.http_unretryable_exceptions.append(
                    https_connection.InvalidCertificateException)

        # define values in socket exceptions we don't want to catch
        self.socket_exception_values = (errno.EINTR,)
        if https_connection_factory is not None:
            self.https_connection_factory = https_connection_factory[0]
            self.http_exceptions += https_connection_factory[1]
        else:
            self.https_connection_factory = None
        if (is_secure):
            self.protocol = 'https'
        else:
            self.protocol = 'http'
        self.host = host
        self.path = path
        if debug:
            self.debug = debug
        else:
            self.debug = config.getint('Boto', 'debug', debug)
        if port:
            self.port = port
        else:
            self.port = PORTS_BY_SECURITY[is_secure]

        # Timeout used to tell httplib how long to wait for socket timeouts.
        # Default is to leave timeout unchanged, which will in turn result in
        # the socket's default global timeout being used. To specify a
        # timeout, set http_socket_timeout in Boto config. Regardless,
        # timeouts will only be applied if Python is 2.6 or greater.
        self.http_connection_kwargs = {}
        if (sys.version_info[0], sys.version_info[1]) >= (2, 6):
            if config.has_option('Boto', 'http_socket_timeout'):
                timeout = config.getint('Boto', 'http_socket_timeout')
                self.http_connection_kwargs['timeout'] = timeout

        self.provider = Provider(provider,
                                 aws_access_key_id,
                                 aws_secret_access_key)

        # allow config file to override default host
        if self.provider.host:
            self.host = self.provider.host

        self._pool = ConnectionPool()
        self._connection = (self.server_name(), self.is_secure)
        self._last_rs = None
        self._auth_handler = auth.get_auth_handler(
              host, config, self.provider, self._required_auth_capability())
예제 #2
0
파일: connection.py 프로젝트: 9seconds/boto
    def __init__(
        self,
        host,
        aws_access_key_id=None,
        aws_secret_access_key=None,
        is_secure=True,
        port=None,
        proxy=None,
        proxy_port=None,
        proxy_user=None,
        proxy_pass=None,
        debug=0,
        https_connection_factory=None,
        path="/",
        provider="aws",
        security_token=None,
        suppress_consec_slashes=True,
        validate_certs=True,
    ):
        """
        :type host: str
        :param host: The host to make the connection to

        :keyword str aws_access_key_id: Your AWS Access Key ID (provided by
            Amazon). If none is specified, the value in your
            ``AWS_ACCESS_KEY_ID`` environmental variable is used.
        :keyword str aws_secret_access_key: Your AWS Secret Access Key
            (provided by Amazon). If none is specified, the value in your
            ``AWS_SECRET_ACCESS_KEY`` environmental variable is used.

        :type is_secure: boolean
        :param is_secure: Whether the connection is over SSL

        :type https_connection_factory: list or tuple
        :param https_connection_factory: A pair of an HTTP connection
            factory and the exceptions to catch.  The factory should have
            a similar interface to L{httplib.HTTPSConnection}.

        :param str proxy: Address/hostname for a proxy server

        :type proxy_port: int
        :param proxy_port: The port to use when connecting over a proxy

        :type proxy_user: str
        :param proxy_user: The username to connect with on the proxy

        :type proxy_pass: str
        :param proxy_pass: The password to use when connection over a proxy.

        :type port: int
        :param port: The port to use to connect

        :type suppress_consec_slashes: bool
        :param suppress_consec_slashes: If provided, controls whether
            consecutive slashes will be suppressed in key paths.

        :type validate_certs: bool
        :param validate_certs: Controls whether SSL certificates
            will be validated or not.  Defaults to True.
        """
        self.suppress_consec_slashes = suppress_consec_slashes
        self.num_retries = 6
        # Override passed-in is_secure setting if value was defined in config.
        if config.has_option("Boto", "is_secure"):
            is_secure = config.getboolean("Boto", "is_secure")
        self.is_secure = is_secure
        # Whether or not to validate server certificates.
        # The default is now to validate certificates.  This can be
        # overridden in the boto config file are by passing an
        # explicit validate_certs parameter to the class constructor.
        self.https_validate_certificates = config.getbool("Boto", "https_validate_certificates", validate_certs)
        if self.https_validate_certificates and not HAVE_HTTPS_CONNECTION:
            raise BotoClientError(
                "SSL server certificate validation is enabled in boto "
                "configuration, but Python dependencies required to "
                "support this feature are not available. Certificate "
                "validation is only supported when running under Python "
                "2.6 or later."
            )
        self.ca_certificates_file = config.get_value("Boto", "ca_certificates_file", DEFAULT_CA_CERTS_FILE)
        self.handle_proxy(proxy, proxy_port, proxy_user, proxy_pass)
        # define exceptions from httplib that we want to catch and retry
        self.http_exceptions = (httplib.HTTPException, socket.error, socket.gaierror, httplib.BadStatusLine)
        # define subclasses of the above that are not retryable.
        self.http_unretryable_exceptions = []
        if HAVE_HTTPS_CONNECTION:
            self.http_unretryable_exceptions.append(https_connection.InvalidCertificateException)

        # define values in socket exceptions we don't want to catch
        self.socket_exception_values = (errno.EINTR,)
        if https_connection_factory is not None:
            self.https_connection_factory = https_connection_factory[0]
            self.http_exceptions += https_connection_factory[1]
        else:
            self.https_connection_factory = None
        if is_secure:
            self.protocol = "https"
        else:
            self.protocol = "http"
        self.host = host
        self.path = path
        # if the value passed in for debug
        if not isinstance(debug, (int, long)):
            debug = 0
        self.debug = config.getint("Boto", "debug", debug)
        if port:
            self.port = port
        else:
            self.port = PORTS_BY_SECURITY[is_secure]

        # Timeout used to tell httplib how long to wait for socket timeouts.
        # Default is to leave timeout unchanged, which will in turn result in
        # the socket's default global timeout being used. To specify a
        # timeout, set http_socket_timeout in Boto config. Regardless,
        # timeouts will only be applied if Python is 2.6 or greater.
        self.http_connection_kwargs = {}
        if (sys.version_info[0], sys.version_info[1]) >= (2, 6):
            # If timeout isn't defined in boto config file, use 70 second
            # default as recommended by
            # http://docs.aws.amazon.com/amazonswf/latest/apireference/API_PollForActivityTask.html
            self.http_connection_kwargs["timeout"] = config.getint("Boto", "http_socket_timeout", 70)

        if isinstance(provider, Provider):
            # Allow overriding Provider
            self.provider = provider
        else:
            self._provider_type = provider
            self.provider = Provider(self._provider_type, aws_access_key_id, aws_secret_access_key, security_token)

        # Allow config file to override default host and port.
        if self.provider.host:
            self.host = self.provider.host
        if self.provider.port:
            self.port = self.provider.port

        self._pool = ConnectionPool()
        self._connection = (self.server_name(), self.is_secure)
        self._last_rs = None
        self._auth_handler = auth.get_auth_handler(host, config, self.provider, self._required_auth_capability())
        if getattr(self, "AuthServiceName", None) is not None:
            self.auth_service_name = self.AuthServiceName
예제 #3
0
파일: connection.py 프로젝트: vikalp/boto
    def __init__(self,
                 host,
                 aws_access_key_id=None,
                 aws_secret_access_key=None,
                 is_secure=True,
                 port=None,
                 proxy=None,
                 proxy_port=None,
                 proxy_user=None,
                 proxy_pass=None,
                 debug=0,
                 https_connection_factory=None,
                 path='/',
                 provider='aws'):
        """
        :type host: str
        :param host: The host to make the connection to
       
        :keyword str aws_access_key_id: Your AWS Access Key ID (provided by
            Amazon). If none is specified, the value in your 
            ``AWS_ACCESS_KEY_ID`` environmental variable is used.
        :keyword str aws_secret_access_key: Your AWS Secret Access Key 
            (provided by Amazon). If none is specified, the value in your 
            ``AWS_SECRET_ACCESS_KEY`` environmental variable is used.

        :type is_secure: boolean
        :param is_secure: Whether the connection is over SSL

        :type https_connection_factory: list or tuple
        :param https_connection_factory: A pair of an HTTP connection
                                         factory and the exceptions to catch.
                                         The factory should have a similar
                                         interface to L{httplib.HTTPSConnection}.

        :param str proxy: Address/hostname for a proxy server

        :type proxy_port: int
        :param proxy_port: The port to use when connecting over a proxy

        :type proxy_user: str
        :param proxy_user: The username to connect with on the proxy

        :type proxy_pass: str
        :param proxy_pass: The password to use when connection over a proxy.

        :type port: int
        :param port: The port to use to connect
        """
        self.num_retries = 5
        # Override passed-in is_secure setting if value was defined in config.
        if config.has_option('Boto', 'is_secure'):
            is_secure = config.getboolean('Boto', 'is_secure')
        self.is_secure = is_secure
        # Whether or not to validate server certificates.  At some point in the
        # future, the default should be flipped to true.
        self.https_validate_certificates = config.getbool(
            'Boto', 'https_validate_certificates', False)
        if self.https_validate_certificates and not HAVE_HTTPS_CONNECTION:
            raise BotoClientError(
                "SSL server certificate validation is enabled in boto "
                "configuration, but Python dependencies required to "
                "support this feature are not available. Certificate "
                "validation is only supported when running under Python "
                "2.6 or later.")
        self.ca_certificates_file = config.get_value('Boto',
                                                     'ca_certificates_file',
                                                     DEFAULT_CA_CERTS_FILE)
        self.handle_proxy(proxy, proxy_port, proxy_user, proxy_pass)
        # define exceptions from httplib that we want to catch and retry
        self.http_exceptions = (httplib.HTTPException, socket.error,
                                socket.gaierror)
        # define subclasses of the above that are not retryable.
        self.http_unretryable_exceptions = []
        if HAVE_HTTPS_CONNECTION:
            self.http_unretryable_exceptions.append(ssl.SSLError)
            self.http_unretryable_exceptions.append(
                https_connection.InvalidCertificateException)

        # define values in socket exceptions we don't want to catch
        self.socket_exception_values = (errno.EINTR, )
        if https_connection_factory is not None:
            self.https_connection_factory = https_connection_factory[0]
            self.http_exceptions += https_connection_factory[1]
        else:
            self.https_connection_factory = None
        if (is_secure):
            self.protocol = 'https'
        else:
            self.protocol = 'http'
        self.host = host
        self.path = path
        if debug:
            self.debug = debug
        else:
            self.debug = config.getint('Boto', 'debug', debug)
        if port:
            self.port = port
        else:
            self.port = PORTS_BY_SECURITY[is_secure]

        # Timeout used to tell httplib how long to wait for socket timeouts.
        # Default is to leave timeout unchanged, which will in turn result in
        # the socket's default global timeout being used. To specify a
        # timeout, set http_socket_timeout in Boto config. Regardless,
        # timeouts will only be applied if Python is 2.6 or greater.
        self.http_connection_kwargs = {}
        if (sys.version_info[0], sys.version_info[1]) >= (2, 6):
            if config.has_option('Boto', 'http_socket_timeout'):
                timeout = config.getint('Boto', 'http_socket_timeout')
                self.http_connection_kwargs['timeout'] = timeout

        self.provider = Provider(provider, aws_access_key_id,
                                 aws_secret_access_key)

        # allow config file to override default host
        if self.provider.host:
            self.host = self.provider.host

        # cache up to 20 connections per host, up to 20 hosts
        self._pool = ConnectionPool(20, 20)
        self._connection = (self.server_name(), self.is_secure)
        self._last_rs = None
        self._auth_handler = auth.get_auth_handler(
            host, config, self.provider, self._required_auth_capability())
예제 #4
0
    def __init__(self, host, aws_access_key_id=None,
                 aws_secret_access_key=None,
                 is_secure=True, port=None, proxy=None, proxy_port=None,
                 proxy_user=None, proxy_pass=None, debug=0,
                 https_connection_factory=None, path='/',
                 provider='aws', security_token=None,
                 suppress_consec_slashes=True,
                 validate_certs=True):
        """
        :type host: str
        :param host: The host to make the connection to

        :keyword str aws_access_key_id: Your AWS Access Key ID (provided by
            Amazon). If none is specified, the value in your
            ``AWS_ACCESS_KEY_ID`` environmental variable is used.
        :keyword str aws_secret_access_key: Your AWS Secret Access Key
            (provided by Amazon). If none is specified, the value in your
            ``AWS_SECRET_ACCESS_KEY`` environmental variable is used.

        :type is_secure: boolean
        :param is_secure: Whether the connection is over SSL

        :type https_connection_factory: list or tuple
        :param https_connection_factory: A pair of an HTTP connection
            factory and the exceptions to catch.  The factory should have
            a similar interface to L{httplib.HTTPSConnection}.

        :param str proxy: Address/hostname for a proxy server

        :type proxy_port: int
        :param proxy_port: The port to use when connecting over a proxy

        :type proxy_user: str
        :param proxy_user: The username to connect with on the proxy

        :type proxy_pass: str
        :param proxy_pass: The password to use when connection over a proxy.

        :type port: int
        :param port: The port to use to connect

        :type suppress_consec_slashes: bool
        :param suppress_consec_slashes: If provided, controls whether
            consecutive slashes will be suppressed in key paths.

        :type validate_certs: bool
        :param validate_certs: Controls whether SSL certificates
            will be validated or not.  Defaults to True.
        """
        self.suppress_consec_slashes = suppress_consec_slashes
        self.num_retries = 6
        # Override passed-in is_secure setting if value was defined in config.
        if config.has_option('Boto', 'is_secure'):
            is_secure = config.getboolean('Boto', 'is_secure')
        self.is_secure = is_secure
        # Whether or not to validate server certificates.
        # The default is now to validate certificates.  This can be
        # overridden in the boto config file are by passing an
        # explicit validate_certs parameter to the class constructor.
        self.https_validate_certificates = config.getbool(
            'Boto', 'https_validate_certificates',
            validate_certs)
        if self.https_validate_certificates and not HAVE_HTTPS_CONNECTION:
            raise BotoClientError(
                    "SSL server certificate validation is enabled in boto "
                    "configuration, but Python dependencies required to "
                    "support this feature are not available. Certificate "
                    "validation is only supported when running under Python "
                    "2.6 or later.")
        self.ca_certificates_file = config.get_value(
                'Boto', 'ca_certificates_file', DEFAULT_CA_CERTS_FILE)
        if port:
            self.port = port
        else:
            self.port = PORTS_BY_SECURITY[is_secure]

        self.handle_proxy(proxy, proxy_port, proxy_user, proxy_pass)
        # define exceptions from httplib that we want to catch and retry
        self.http_exceptions = (httplib.HTTPException, socket.error,
                                socket.gaierror, httplib.BadStatusLine)
        # define subclasses of the above that are not retryable.
        self.http_unretryable_exceptions = []
        if HAVE_HTTPS_CONNECTION:
            self.http_unretryable_exceptions.append(
                    https_connection.InvalidCertificateException)

        # define values in socket exceptions we don't want to catch
        self.socket_exception_values = (errno.EINTR,)
        if https_connection_factory is not None:
            self.https_connection_factory = https_connection_factory[0]
            self.http_exceptions += https_connection_factory[1]
        else:
            self.https_connection_factory = None
        if (is_secure):
            self.protocol = 'https'
        else:
            self.protocol = 'http'
        self.host = host
        self.path = path
        # if the value passed in for debug
        if not isinstance(debug, (int, long)):
            debug = 0
        self.debug = config.getint('Boto', 'debug', debug)
        self.host_header = None

        # Timeout used to tell httplib how long to wait for socket timeouts.
        # Default is to leave timeout unchanged, which will in turn result in
        # the socket's default global timeout being used. To specify a
        # timeout, set http_socket_timeout in Boto config. Regardless,
        # timeouts will only be applied if Python is 2.6 or greater.
        self.http_connection_kwargs = {}
        if (sys.version_info[0], sys.version_info[1]) >= (2, 6):
            # If timeout isn't defined in boto config file, use 70 second
            # default as recommended by
            # http://docs.aws.amazon.com/amazonswf/latest/apireference/API_PollForActivityTask.html
            self.http_connection_kwargs['timeout'] = config.getint(
                'Boto', 'http_socket_timeout', 70)

        if isinstance(provider, Provider):
            # Allow overriding Provider
            self.provider = provider
        else:
            self._provider_type = provider
            self.provider = Provider(self._provider_type,
                                     aws_access_key_id,
                                     aws_secret_access_key,
                                     security_token)

        # Allow config file to override default host, port, and host header.
        if self.provider.host:
            self.host = self.provider.host
        if self.provider.port:
            self.port = self.provider.port
        if self.provider.host_header:
            self.host_header = self.provider.host_header

        self._pool = ConnectionPool()
        self._connection = (self.host, self.port, self.is_secure)
        self._last_rs = None
        self._auth_handler = auth.get_auth_handler(
              host, config, self.provider, self._required_auth_capability())
        if getattr(self, 'AuthServiceName', None) is not None:
            self.auth_service_name = self.AuthServiceName
예제 #5
0
파일: connection.py 프로젝트: kevin/boto
    def __init__(self, host, aws_access_key_id=None, aws_secret_access_key=None,
                 is_secure=True, port=None, proxy=None, proxy_port=None,
                 proxy_user=None, proxy_pass=None, debug=0,
                 https_connection_factory=None, path='/', provider='aws'):
        """
        :type host: str
        :param host: The host to make the connection to
       
        :keyword str aws_access_key_id: Your AWS Access Key ID (provided by
            Amazon). If none is specified, the value in your 
            ``AWS_ACCESS_KEY_ID`` environmental variable is used.
        :keyword str aws_secret_access_key: Your AWS Secret Access Key 
            (provided by Amazon). If none is specified, the value in your 
            ``AWS_SECRET_ACCESS_KEY`` environmental variable is used.

        :type is_secure: boolean
        :param is_secure: Whether the connection is over SSL

        :type https_connection_factory: list or tuple
        :param https_connection_factory: A pair of an HTTP connection
                                         factory and the exceptions to catch.
                                         The factory should have a similar
                                         interface to L{httplib.HTTPSConnection}.

        :param str proxy: Address/hostname for a proxy server

        :type proxy_port: int
        :param proxy_port: The port to use when connecting over a proxy

        :type proxy_user: str
        :param proxy_user: The username to connect with on the proxy

        :type proxy_pass: str
        :param proxy_pass: The password to use when connection over a proxy.

        :type port: int
        :param port: The port to use to connect
        """
        self.num_retries = 5
        # Override passed-in is_secure setting if value was defined in config.
        if config.has_option('Boto', 'is_secure'):
            is_secure = config.getboolean('Boto', 'is_secure')
        self.is_secure = is_secure
        self.handle_proxy(proxy, proxy_port, proxy_user, proxy_pass)
        # define exceptions from httplib that we want to catch and retry
        self.http_exceptions = (httplib.HTTPException, socket.error,
                                socket.gaierror)
        # define values in socket exceptions we don't want to catch
        self.socket_exception_values = (errno.EINTR,)
        if https_connection_factory is not None:
            self.https_connection_factory = https_connection_factory[0]
            self.http_exceptions += https_connection_factory[1]
        else:
            self.https_connection_factory = None
        if (is_secure):
            self.protocol = 'https'
        else:
            self.protocol = 'http'
        self.host = host
        self.path = path
        if debug:
            self.debug = debug
        else:
            self.debug = config.getint('Boto', 'debug', debug)
        if port:
            self.port = port
        else:
            self.port = PORTS_BY_SECURITY[is_secure]

        # Timeout used to tell httplib how long to wait for socket timeouts.
        # Default is to leave timeout unchanged, which will in turn result in
        # the socket's default global timeout being used. To specify a
        # timeout, set http_socket_timeout in Boto config. Regardless,
        # timeouts will only be applied if Python is 2.6 or greater.
        self.http_connection_kwargs = {}
        if (sys.version_info[0], sys.version_info[1]) >= (2, 6):
            if config.has_option('Boto', 'http_socket_timeout'):
                timeout = config.getint('Boto', 'http_socket_timeout')
                self.http_connection_kwargs['timeout'] = timeout

        self.provider = Provider(provider,
                                 aws_access_key_id,
                                 aws_secret_access_key)

        # allow config file to override default host
        if self.provider.host:
            self.host = self.provider.host

        # cache up to 20 connections per host, up to 20 hosts
        self._pool = ConnectionPool(20, 20)
        self._connection = (self.server_name(), self.is_secure)
        self._last_rs = None
        self._auth_handler = auth.get_auth_handler(
              host, config, self.provider, self._required_auth_capability()) 
예제 #6
0
    def __init__(self, host, aws_access_key_id=None, aws_secret_access_key=None,
                 is_secure=True, port=None, proxy=None, proxy_port=None,
                 proxy_user=None, proxy_pass=None, debug=0,
                 https_connection_factory=None, path='/', provider='aws'):
        """
        :type host: str
        :param host: The host to make the connection to
       
        :keyword str aws_access_key_id: Your AWS Access Key ID (provided by
            Amazon). If none is specified, the value in your 
            ``AWS_ACCESS_KEY_ID`` environmental variable is used.
        :keyword str aws_secret_access_key: Your AWS Secret Access Key 
            (provided by Amazon). If none is specified, the value in your 
            ``AWS_SECRET_ACCESS_KEY`` environmental variable is used.

        :type is_secure: boolean
        :param is_secure: Whether the connection is over SSL

        :type https_connection_factory: list or tuple
        :param https_connection_factory: A pair of an HTTP connection
                                         factory and the exceptions to catch.
                                         The factory should have a similar
                                         interface to L{httplib.HTTPSConnection}.

        :param str proxy: Address/hostname for a proxy server

        :type proxy_port: int
        :param proxy_port: The port to use when connecting over a proxy

        :type proxy_user: str
        :param proxy_user: The username to connect with on the proxy

        :type proxy_pass: str
        :param proxy_pass: The password to use when connection over a proxy.

        :type port: int
        :param port: The port to use to connect
        """
        self.num_retries = 5
        # Override passed-in is_secure setting if value was defined in config.
        if config.has_option('Boto', 'is_secure'):
            is_secure = config.getboolean('Boto', 'is_secure')
        self.is_secure = is_secure
        self.handle_proxy(proxy, proxy_port, proxy_user, proxy_pass)
        # define exceptions from httplib that we want to catch and retry
        self.http_exceptions = (httplib.HTTPException, socket.error,
                                socket.gaierror)
        # define values in socket exceptions we don't want to catch
        self.socket_exception_values = (errno.EINTR,)
        if https_connection_factory is not None:
            self.https_connection_factory = https_connection_factory[0]
            self.http_exceptions += https_connection_factory[1]
        else:
            self.https_connection_factory = None
        if (is_secure):
            self.protocol = 'https'
        else:
            self.protocol = 'http'
        self.host = host
        self.path = path
        if debug:
            self.debug = debug
        else:
            self.debug = config.getint('Boto', 'debug', debug)
        if port:
            self.port = port
        else:
            self.port = PORTS_BY_SECURITY[is_secure]

        self.provider = Provider(provider,
                                 aws_access_key_id,
                                 aws_secret_access_key)

        # allow config file to override default host
        if self.provider.host:
            self.host = self.provider.host

        # cache up to 20 connections per host, up to 20 hosts
        self._pool = ConnectionPool(20, 20)
        self._connection = (self.server_name(), self.is_secure)
        self._last_rs = None
        self._auth_handler = auth.get_auth_handler(
              host, config, self.provider, self._required_auth_capability())