twisted.internet._sslverify.ClientTLSOptions(object) class documentationtwisted.internet._sslverify
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      Implements interfaces: twisted.internet.interfaces.IOpenSSLClientConnectionCreator
Client creator for TLS.
Private implementation type (not exposed to applications) for public optionsForClientTLS API.
| Method | __init__ | Initialize ClientTLSOptions. | 
  
| Method | clientConnectionForTLS | Create a TLS connection for a client. | 
| Instance Variable | _ctx | The context to use for new connections. | 
| Instance Variable | _hostname | The hostname to verify, as specified by the application, as some human-readable text. | 
| Instance Variable | _hostnameBytes | The hostname to verify, decoded into IDNA-encoded bytes. This is passed to APIs which think that hostnames are bytes, such as OpenSSL's SNI implementation. | 
| Instance Variable | _hostnameASCII | The hostname, as transcoded into IDNA ASCII-range unicode code points.  This is pre-transcoded because the service_identity package is rather strict about requiring the idna package from PyPI for internationalized domain names, rather than working with Python's built-in (but sometimes broken) IDNA encoding.  ASCII values, however, will always work. | 
  
| Instance Variable | _hostnameIsDnsName | Whether or not the _hostname is a DNSName. Will be False if _hostname is an IP address or True if _hostname is a DNSName | 
  
| Method | _identityVerifyingInfoCallback | No summary | 
unicode)
  bytes)
  service_identity package is rather strict about requiring the idna package from PyPI for internationalized domain names, rather than working with Python's built-in (but sometimes broken) IDNA encoding.  ASCII values, however, will always work.unicode)
  Initialize ClientTLSOptions.
| Parameters | hostname | The hostname to verify as input by a human. (type: unicode) | 
| ctx | an OpenSSL.SSL.Context to use for new connections. (type: OpenSSL.SSL.Context.) | 
Create a TLS connection for a client.
| Parameters | tlsProtocol | the TLS protocol initiating the connection. (type: twisted.protocols.tls.TLSMemoryBIOProtocol) | 
| Returns | the configured client connection. (type: OpenSSL.SSL.Connection) | |
| Note | This will call set_app_data on its connection.  If you're delegating to this implementation of this method, don't ever call set_app_data or set_info_callback on the returned connection, or you'll break the implementation of various features of this class. | |
info_callback <http://pythonhosted.org/pyOpenSSL/api/ssl.html#OpenSSL.SSL.Context.set_info_callback>  for pyOpenSSL that verifies the hostname in the presented certificate matches the one passed to this ClientTLSOptions.
| Parameters | connection | the connection which is handshaking. (type: OpenSSL.SSL.Connection) | 
| where | flags indicating progress through a TLS handshake. (type: int) | |
| ret | ignored (type: ignored) |