I'm pleased to announce the first public release of VendorID-1.0.0. You can download it from www.riverbankcomputing.co.uk/vendorid ----- What is it? VendorID is a Python package, that contains functionality to restrict the availability of dynamic loadable extension modules to specific Python interpreters. Only specific Python interpreters are allowed to import such extension modules. A generic Python interpreter will fail to import such extensions. By the term specific Python interpreter, we mean a binary executable that runs a single specific Python application, something you create with tools like freeze or py2exe. ----- Why? The motivation for the VendorID package was the following condition in Trolltech's commercial Qt license agreement. "Applications may not pass on functionality which in any way makes it possible for others to create software with the Licensed Software;" This software provides a simple mechanism for conforming to this condition. Because I want to create commercial applications based on Python, Qt and PyQt, I either had to make the PyQt modules builtin into the specific interpreter (resulting in huge executables), or I had to find a solution to prevent the import of these modules from a generic Python interpreter. ----- Contents of the Package The VendorID package contains a distutils setup script that generates the necessary code and builds a static library and a shared module. The package also contains a Python script named sib.py that you can use to create application specific executables. See the documentation in the doc directory of the package. ----- License VendorID is licensed under the same terms and conditions as Python itself. See the file LICENSE.txt of the package for more details. VendorID places no restrictions on the license you may apply to interpreters and extension modules that make use of the VendorID functionality. ----- If you have any questions or enhancement suggestions, either contact me directly (ulrich.berning@desys.de) or use the PyKDE mailing list. Thanks to Phil Thompson for hosting the package at www.riverbankcomputing.co.uk Ulli Berning DESYS GmbH www.desys.de
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Ulrich Berning