ormlet 0.1.0

Ormlet is a lightweight, minimal ORM designed to give you just enough structure and flexibility to build SQL queries.

Ormlet is a lightweight, minimal ORM designed to give you just enough structure and flexibility to build SQL queries.

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The key features are:

• Declarative column definitions (IntegerField, TextField, etc.)
• Auto SQL generation for SELECT, INSERT, UPDATE, DELETE
• Fluent and chainable QueryBuilder
• Logical operators: AND, OR, multiple WHERE support

Installation

Create and activate a virtual environment and then install Ormlet:

$ pip install ormlet
---> 100%
Successfully installed ormlet

Example

Models

from ormlet import Model, column


class User(Model):
    __table__ = "users"

    id = column.IntegerField(primary_key=True, autoincrement=True)
    name = column.VarCharField(max_length=50)
    age = column.IntegerField()

Database Manager

from ormlet import DatabaseManager

db = DatabaseManager("test.db")
db.register_tables([User])

Queries

from ormlet import insert, select, update, delete

insert(User).values(id=1, name="Alice", age=30).execute(connection)
select(User).where(User.name == "Bob").execute(connection)
update(User).set(age=41).where(User.name == "Charlie").execute(connection)
delete(User).where(User.name == "Dan").execute(connection)

Quick Example

from ormlet import DatabaseManager, Model, column

class User(Model):
    __table__ = "users"

    id = column.IntegerField(primary_key=True)
    name = column.VarCharField(max_length=50)
    age = column.IntegerField()

db = DatabaseManager("test.db")
db.register_tables([User])

with db.connect() as conn:
    insert(User).values(id=1, name="Alice", age=30).execute(conn)
    select(User).where(User.name == "Alice").execute(conn)
    update(User).set(age=41).where(User.name == "Alice").execute(conn)
    delete(User).where(User.id== 1).execute(conn)

Dependencies

Ormlet uses no external dependencies it works with just standard Python.

License

This project is licensed under the terms of the MIT license.

Contributing

Feel free to open issues, suggest features, or submit PRs.