Everything in one package with no dependencies. Development, deployment,
debugging, testing, database administration and maintenance of applications can
be done via the provided web interface. web2py has no configuration files,
requires no installation, can run off a USB drive. web2py uses Python for the
Model, the Views and the Controllers, has a built-in ticketing system to manage
errors, an internationalization engine, works with SQLite, PostgreSQL, MySQL,
MSSQL, FireBird, Oracle, IBM DB2, Informix, Ingres, sybase and Google App Engine via a
Database Abstraction Layer. web2py includes libraries to handle
HTML/XML, RSS, ATOM, CSV, RTF, JSON, AJAX, XMLRPC, WIKI markup. Production
ready, capable of upload/download streaming of very large files, and always
backward compatible.