sqlean.py

This package provides an SQLite Python wrapper bundled with sqlean extensions. It's a drop-in replacement for the standard library's sqlite3 module.

pip install sqlean.py

import sqlean

# enable all extensions
sqlean.extensions.enable_all()

# has the same API as the default `sqlite3` module
conn = sqlean.connect(":memory:")
conn.execute("create table employees(id, name)")

# and comes with the `sqlean` extensions
cur = conn.execute("select median(value) from generate_series(1, 99)")
print(cur.fetchone())
# (50.0,)

conn.close()

Extensions

sqlean.py contains 12 essential SQLite extensions:

Installation

A binary package (wheel) is available for the following operating systems:

Windows (64-bit)
Linux (64-bit)
macOS (both Intel and Apple processors)

pip install sqlean.py

Note that the package name is sqlean.py, while the code imports are just sqlean. The sqlean package name was taken by some zomby project and the author seemed to be unavailable, so I had to add the .py suffix.

Usage

All extensions are disabled by default. You can still use sqlean as a drop-in replacement for sqlite3:

import sqlean as sqlite3

conn = sqlite3.connect(":memory:")
cur = conn.execute("select 'sql is awesome'")
print(cur.fetchone())
conn.close()

To enable all extensions, call sqlean.extensions.enable_all() before calling connect():

import sqlean

sqlean.extensions.enable_all()

conn = sqlean.connect(":memory:")
cur = conn.execute("select median(value) from generate_series(1, 99)")
print(cur.fetchone())
conn.close()

To enable specific extensions, call sqlean.extensions.enable():

import sqlean

sqlean.extensions.enable("stats", "text")

conn = sqlean.connect(":memory:")
cur = conn.execute("select median(value) from generate_series(1, 99)")
print(cur.fetchone())
conn.close()

Building from source

For development purposes only.

Prepare source files:

make prepare-src
make download-sqlite
make download-sqlean

Build and test the package:

make clean
python setup.py build_ext -i
python -m tests
python -m pip wheel . -w dist

Credits

Based on the pysqlite3 project. Available under the Zlib license.

Support

The package is provided as-is, and I don't currently plan to change anything except to update the SQLite version from time to time.

Package profile

sqlean.py

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