pyswarm is planned to be a holistic set of model-driven software development tools focussed on the easy creation of powerful and business logic enriched applications in the field of Web- and data-centric solutions for industry, public sector and non-profit organizations. The generated software systems are implemented in Python and data is stored in PostgreSQL databases, so they can be hosted on almost any platform. The generated applications will be optimally customizable to the needs of organizations and their users and can be adopted with ease to future changes.
Following you see an overview of existing features. For planned key features, please see the roadmap.
| MDSD approach | MDA-like |
| Generator category | active (build and maintain code in long-term and multiple cycles) |
| Input source | UML models stored as XMI files |
| Diagram types | Implementation Diagrams, Class Diagrams |
| UML version | UML 2.0 |
| XMI version | XMI 2.1 |
| Supported UML CASE tools | MagicDraw 11.0 (Community Edition). Additional tools appreciated (your help needed!). |
| Generated results | Server application's source code |
| Progamming language | Python 2.4.2 |
| Database Management System | PostgreSQL 8.1 |
| Supported platforms | Almost any (thanks to Python, PostgreSQL) |
| Business elements | System, Node (=Host), Sub-Package, Logic-Component, Database-Component, Entity/Zone Class, Collection/Collector Class, Enumeration Class, Datatype-type Attribute, Enumeration-type Attribute, Association, Operation, Association Role, External Package, External Module |
| Specification elements | Stereotypes, Tag-Definitions, Datatypes, Packages, Components, Classes, Enumerations, Associations, Compositions, Visibility (partially), Dependency, Import Dependency (Python-specific) |
| Runtime-environment | serve (required), shared (optional) |
| Methods generated? | YES. «pyswarm.logic.auto» tagged with one of three different modes (create, modify, destroy) for fully automatical generation of method implementation. |
| Preserves manual method implementation? | YES. «pyswarm.logic.taboo» makes the generator to insert source code provided by you in a taboo directory to be automatically inserted into generated method stub with-out modification except of an additional intendation (4 spaces!) |
| Object-relational mapping? | YES |
Development of pyswarm has been started at the HATZIS Edelstahlbearbeitung GmbH. HATZIS is a family-owned and med-sized steel-engineering company in Bavaria, Germany, which provides to more than 300 companies construction and production services for highest quality components made of stainless steel. The stable growth during the past years, and the measurements on behalf of new business fields, adviced the company to take a further step in its information technology usage.
Since the company's success heavily bases on highly customized solutions around stainless steel components, also the processes and requirements are too individual to be supported by standard software from the shelf. On the other hand individual software development was considered to be too expensive and risky. Thus model-driven software-development has been the approach of choice, enabling very individual applications in a short time and with low budget. Since it was hard to find a MDSD technology on the market, specialized for the team-work of Python and PostgreSQL, and Anastasios Hatzis brought some MDSD know-how into the company, so the decision has been made to start an open-source project named "OpenSwarm" under Free Software licenses. It became today's pyswarm project.
In January 2007 the Free Software Foundation Europe became legal guardian of the pyswarm project.
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