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Python License

Author	Corporation for National Research Initiatives
Latest version	2.11 and newer
SPDX identifier	Python-2.0, Python-2.0.1
FSF approved	Yes
OSI approved	Yes
GPL compatible	Some versions
Copyleft	No

The Python License is a deprecated permissive computer software license created by the Corporation for National Research Initiatives (CNRI). It was used for versions 1.6 and 2.0 of the Python programming language , both released in the year 2000.

The Python License is similar to the BSD License and, while it is a free software license , its wording in some versions meant that it was incompatible with the GNU General Public License (GPL) used by a great deal of free software including the Linux kernel . For this reason CNRI retired the license in 2001, and the license of current releases is the Python Software Foundation License .

Origin

Python was created by Guido van Rossum and the initial copyright was held by his employer, the Centrum Wiskunde & Informatica (CWI). During this time Python was distributed under a GPL-compatible variant of the Historical Permission Notice and Disclaimer license. CNRI obtained ownership of Python when Van Rossum became employed there, and after some years they drafted a new license for the language.

Retirement

The Python License includes a clause stating that the license is governed by the State of Virginia, United States . The Python Software Foundation License ; Python 1.6.1 differs from Python 1.6 only in some minor bug fixes and new GPL-compatible licensing terms.