73 lines
3.0 KiB
Python
73 lines
3.0 KiB
Python
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#PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
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#--------------------------------------------
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#
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#1. This LICENSE AGREEMENT is between the Python Software Foundation
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#("PSF"), and the Individual or Organization ("Licensee") accessing and
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#otherwise using this software ("Python") in source or binary form and
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#its associated documentation.
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#
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#2. Subject to the terms and conditions of this License Agreement, PSF hereby
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#grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
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#analyze, test, perform and/or display publicly, prepare derivative works,
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#distribute, and otherwise use Python alone or in any derivative version,
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#provided, however, that PSF's License Agreement and PSF's notice of copyright,
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#i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
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#Python Software Foundation; All Rights Reserved" are retained in Python alone or
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#in any derivative version prepared by Licensee.
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#
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#3. In the event Licensee prepares a derivative work that is based on
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#or incorporates Python or any part thereof, and wants to make
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#the derivative work available to others as provided herein, then
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#Licensee hereby agrees to include in any such work a brief summary of
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#the changes made to Python.
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#
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#4. PSF is making Python available to Licensee on an "AS IS"
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#basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
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#IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
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#DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
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#FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
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#INFRINGE ANY THIRD PARTY RIGHTS.
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#
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#5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
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#FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
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#A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
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#OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
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#
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#6. This License Agreement will automatically terminate upon a material
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#breach of its terms and conditions.
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#
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#7. Nothing in this License Agreement shall be deemed to create any
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#relationship of agency, partnership, or joint venture between PSF and
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#Licensee. This License Agreement does not grant permission to use PSF
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#trademarks or trade name in a trademark sense to endorse or promote
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#products or services of Licensee, or any third party.
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#
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#8. By copying, installing or otherwise using Python, Licensee
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#agrees to be bound by the terms and conditions of this License
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#Agreement.
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# Changelog:
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# 3-12-2010 Alan Somers Copied verbatim from posixpath.py in Python 2.6.4
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from os.path import *
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def relpath(path, start=curdir):
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"""Return a relative version of a path"""
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if not path:
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raise ValueError("no path specified")
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start_list = abspath(start).split(sep)
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path_list = abspath(path).split(sep)
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# Work out how much of the filepath is shared by start and path.
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i = len(commonprefix([start_list, path_list]))
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rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
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if not rel_list:
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return curdir
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return join(*rel_list)
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