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authorAlex Gaynor <alex.gaynor@gmail.com>2015-12-16 19:27:25 -0500
committerAlex Gaynor <alex.gaynor@gmail.com>2015-12-16 19:27:25 -0500
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parenta633c8cd842225a60c206b2e9ce1479cd84c7636 (diff)
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+========
+Paramiko
+========
+
+.. Continuous integration and code coverage badges
+
+.. image:: https://travis-ci.org/paramiko/paramiko.svg?branch=master
+ :target: https://travis-ci.org/paramiko/paramiko
+.. image:: https://coveralls.io/repos/paramiko/paramiko/badge.svg?branch=master&service=github
+ :target: https://coveralls.io/github/paramiko/paramiko?branch=master
+
+:Paramiko: Python SSH module
+:Copyright: Copyright (c) 2003-2009 Robey Pointer <robeypointer@gmail.com>
+:Copyright: Copyright (c) 2013-2015 Jeff Forcier <jeff@bitprophet.org>
+:License: `LGPL <https://www.gnu.org/copyleft/lesser.html>`_
+:Homepage: http://www.paramiko.org/
+:API docs: http://docs.paramiko.org
+:Development: https://github.com/paramiko/paramiko
+
+
+What
+----
+
+"Paramiko" is a combination of the esperanto words for "paranoid" and
+"friend". It's a module for Python 2.6+ that implements the SSH2 protocol
+for secure (encrypted and authenticated) connections to remote machines.
+Unlike SSL (aka TLS), SSH2 protocol does not require hierarchical
+certificates signed by a powerful central authority. You may know SSH2 as
+the protocol that replaced Telnet and rsh for secure access to remote
+shells, but the protocol also includes the ability to open arbitrary
+channels to remote services across the encrypted tunnel (this is how SFTP
+works, for example).
+
+It is written entirely in Python (no C or platform-dependent code) and is
+released under the GNU Lesser General Public License (`LGPL
+<https://www.gnu.org/copyleft/lesser.html>`_).
+
+The package and its API is fairly well documented in the "doc/" folder
+that should have come with this archive.
+
+
+Requirements
+------------
+
+- `Python <http://www.python.org/>`_ 2.6, 2.7, or 3.3+
+- Cryptography 0.8 or better <https://cryptography.io>
+- pyasn1 0.1.7 or better <https://pypi.python.org/pypi/pyasn1>
+
+
+Installation
+------------
+
+For most users, the recommended method to install is via pip::
+
+ pip install paramiko
+
+For more detailed instructions, see the `Installing
+<http://www.paramiko.org/installing.html>`_ page on the main Paramiko website.
+
+
+Portability Issues
+------------------
+
+Paramiko primarily supports POSIX platforms with standard OpenSSH
+implementations, and is most frequently tested on Linux and OS X. Windows is
+supported as well, though it may not be as straightforward.
+
+Some Python distributions don't include the UTF-8 string encodings, for
+reasons of space (misguided as that is). If your distribution is
+missing encodings, you'll see an error like this::
+
+ LookupError: no codec search functions registered: can't find encoding
+
+This means you need to copy string encodings over from a working system
+(it probably only happens on embedded systems, not normal Python
+installs). Valeriy Pogrebitskiy says the best place to look is
+``.../lib/python*/encodings/__init__.py``.
+
+
+Bugs & Support
+--------------
+
+:Bug Reports: `Github <https://github.com/paramiko/paramiko/issues/>`_
+:Mailing List: ``paramiko@librelist.com`` (see the `LibreList website
+ <http://librelist.com/>`_ for usage details).
+:IRC: ``#paramiko`` on Freenode
+
+
+Kerberos Support
+----------------
+
+Paramiko ships with optional Kerberos/GSSAPI support; for info on the extra
+dependencies for this, see the `GSS-API section
+<http://www.paramiko.org/installing.html#gssapi>`_
+on the main Paramiko website.
+
+
+Demo
+----
+
+Several demo scripts come with Paramiko to demonstrate how to use it.
+Probably the simplest demo of all is this::
+
+ import paramiko, base64
+ key = paramiko.RSAKey(data=base64.decodestring('AAA...'))
+ client = paramiko.SSHClient()
+ client.get_host_keys().add('ssh.example.com', 'ssh-rsa', key)
+ client.connect('ssh.example.com', username='strongbad', password='thecheat')
+ stdin, stdout, stderr = client.exec_command('ls')
+ for line in stdout:
+ print '... ' + line.strip('\n')
+ client.close()
+
+This prints out the results of executing ``ls`` on a remote server. The host
+key 'AAA...' should of course be replaced by the actual base64 encoding of the
+host key. If you skip host key verification, the connection is not secure!
+
+The following example scripts (in demos/) get progressively more detailed:
+
+:demo_simple.py:
+ Calls invoke_shell() and emulates a terminal/TTY through which you can
+ execute commands interactively on a remote server. Think of it as a
+ poor man's SSH command-line client.
+
+:demo.py:
+ Same as demo_simple.py, but allows you to authenticate using a private
+ key, attempts to use an SSH agent if present, and uses the long form of
+ some of the API calls.
+
+:forward.py:
+ Command-line script to set up port-forwarding across an SSH transport.
+
+:demo_sftp.py:
+ Opens an SFTP session and does a few simple file operations.
+
+:demo_server.py:
+ An SSH server that listens on port 2200 and accepts a login for
+ 'robey' (password 'foo'), and pretends to be a BBS. Meant to be a
+ very simple demo of writing an SSH server.
+
+:demo_keygen.py:
+ A key generator similar to OpenSSH ``ssh-keygen(1)`` program with
+ Paramiko keys generation and progress functions.
+
+Use
+---
+
+The demo scripts are probably the best example of how to use this package.
+There is also a lot of documentation, generated with Sphinx autodoc, in the
+doc/ folder.
+
+There are also unit tests here::
+
+ $ python ./test.py
+
+Which will verify that most of the core components are working correctly.