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# Configuration

Configuration file (aka `ssh_config`) support.

class `paramiko.config.``SSHConfig`

  Representation of config information as stored in the format used by OpenSSH. Queries can be made via `lookup`. The format is described in OpenSSH’s `ssh_config` man page. This class is provided primarily as a convenience to posix users (since the OpenSSH format is a de-facto standard on posix) but should work fine on Windows too.

  New in version 1.6.

  `SETTINGS_REGEX` = <_sre.SRE_Pattern object at 0x105995858>
  `__init__`()

    Create a new OpenSSH config object.

  `parse`(file_obj)

    Read an OpenSSH config from the given file object.

    Parameters: | file_obj (file) – a file-like object to read the config file from

  `lookup`(hostname)

    Return a dict of config options for a given hostname.

    The host-matching rules of OpenSSH’s `ssh_config` man page are used: For each parameter, the first obtained value will be used. The configuration files contain sections separated by ``Host’’ specifications, and that section is only applied for hosts that match one of the patterns given in the specification.

    Since the first obtained value for each parameter is used, more host- specific declarations should be given near the beginning of the file, and general defaults at the end.

    The keys in the returned dict are all normalized to lowercase (look for `"port"`, not `"Port"`. The values are processed according to the rules for substitution variable expansion in `ssh_config`.

    Parameters: | hostname (str) – the hostname to lookup

  `get_hostnames`()

    Return the set of literal hostnames defined in the SSH config (both explicit hostnames and wildcard entries).

  `__weakref__`

    list of weak references to the object (if defined)

class `paramiko.config.``LazyFqdn`(config, host=None)

  Returns the host’s fqdn on request as string.

  `__weakref__`

    list of weak references to the object (if defined)