ORM that uses __slots__ (for memory saving), plain DBAPI2 connections (to not break threading) and assumes the user knows SQL
Project description
overview
metamod stands for ‘metaclass models’.
lightweight ORM (about 200 lines)
uses python’s __slots__ so instances are lightweight and classes are self-documenting
vs other ORMs
The goal here is to be a thin layer on SQL. We want to wrap simple, well-understood and often-repeated actions like:
create table
insert
simple select statements (where field=value)
Database writes are emitted as raw SQL that you can pass to a cursor. Database reads operate on a cursor (but not on a connection; you manage your connections yourself).
We don’t want to:
generate complex SQL statements, especially for joins
provide any type conversions (adapt / mogrify); we’ll trust psycopg2 or pymysql for that
normalize behavior across different DBs
hide connections & pooling behind classes
See github page for examples.
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