pkgsrc-wip/py-storm/DESCR

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Storm is an Object Relational Mapper for Python.
* Storm is fast.
* Storm lets you efficiently access and update large datasets
by allowing you to formulate complex queries spanning multiple
tables using Python.
* Storm allows you to fallback to SQL if needed (or if you just
prefer), allowing you to mix "old school" code and ORM code
* Storm handles composed primary keys with ease (no need for
surrogate keys).
* Storm doesn't do schema management, and as a result you're
free to manage the schema as wanted, and creating classes that
work with Storm is clean and simple.
* Storm works very well connecting to several databases and
using the same Python types (or different ones) with all of
them.
* Storm can handle obj.attr = <A SQL expression> assignments,
when that's really needed (the expression is executed at
INSERT/UPDATE time).
* Storm handles relationships between objects even before they
were added to a database.
* Storm works well with existing database schemas.
* Storm will flush changes to the database automatically when
needed, so that queries made affect recently modified objects.