sip

library6.15.3pypypi✓ verified 83d ago

SIP is a tool for creating Python bindings for C and C++ libraries. It is primarily used to generate Python modules that allow Python code to call C/C++ functions and classes directly. Maintained by Riverbank Computing, it is the foundation for PyQt. The current version is 6.15.3, with releases typically tied to PyQt development.

devops

pip install sip

github ↗package ↗homepage ↗

INSTALL

IMPORT

SIG · SIP

sip

devopspythonv6.15.3

Install

2.3s avg

Import

—

Disk

35MB

Pass rate

10/ 10

Env Coverage10 / 10

glibc

3.9–3.13

musl

3.9–3.13

Install & Compatibility

Where this runs

tested against v6.15.3 · pip install

no network on importno background threads

Install × environment matrix

Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux

musl

py 3.10–3.920 runs

installs and imports cleanly · install 0.0s · import 0.000s · 32.9MB

glibc

py 3.10–3.920 runs

installs and imports cleanly · install 2.3s · import 0.000s · 33MB

35MB installed

● package 35MB

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

sipbuild

✓ import sipbuild

✗ import sip

While SIP is mainly a build tool for C/C++ extensions, the installed `sip` module provides introspective information about the SIP environment. The primary use case involves defining `.sip` files and leveraging the `sip-build` command-line tool to generate Python bindings for a C/C++ library, typically as part of a larger build process.

import sip # SIP is primarily a C/C++ bindings generator, not typically used directly in applications. # This example shows basic introspection of the installed sip module. print(f"SIP Version: {sip.SIP_VERSION_STR}") print(f"SIP API ID: {sip.SIP_API_ID_STR}") # To truly 'quickstart' SIP for generating bindings, you would: # 1. Write a .sip file defining the C/C++ API. # 2. Use the 'sip-build' command-line tool or integrate it into your build system. # Example (conceptual command-line use): # # In a terminal, after setting up project.sip and C/C++ sources: # # sip-build --build-dir=build --sip-module=my_module project.sip

sip --version

Debug

Known issues

breakingSIP v6 introduced significant breaking changes from v5, including the removal of `sip.setapi()` and the standalone `sipconfig` module. The API versioning and configuration are now implicitly handled during the build process using the `sip-build` tool.

fix

Migrate your binding generation process to use `sip-build`. Remove calls to `sip.setapi()` from your `.sip` files or generated Python code. Consult the SIP v6 documentation for updated `.sip` file directives and build configurations (e.g., `PyQt-builder`).

affects: >=6.0.0

gotchaMixing SIP versions or using a `sip` module incompatible with a generated library (e.g., PyQt) can lead to `ImportError` or `RuntimeError` due to ABI incompatibilities. For example, PyQt5 typically uses SIP v4/v5, while PyQt6 requires SIP v6.

fix

Ensure that the `sip` package version precisely matches the requirements of the Python library you are using (e.g., PyQt, PySide). If you manage multiple Python environments, use virtual environments to isolate dependencies. Always upgrade `sip` alongside the primary library it serves.

affects: All versions

gotchaWhen building C/C++ extensions with SIP, ensure your development environment has a compatible C++ compiler (e.g., MSVC on Windows, GCC/Clang on Linux/macOS) and that necessary build tools (like `make` or `ninja`) are correctly configured and accessible in your system's PATH.

fix

Verify compiler installations, associated environmental variables (e.g., `VCINSTALLDIR` for MSVC, `PATH` for GCC/Clang), and ensure build tools are available. Common issues include 'Microsoft Visual C++ 14.0 is required' errors on Windows, or missing `g++` on Linux.

affects: All versions

Upgrade

Version history

6.15.3latest on PyPI · released Mar 24, 2026

Audit

Dependencies

No dependency data recorded yet.

Agent activity

20 hits · last 30 days

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OpenAI (training)

Resources

githubhttps://github.com/Python-SIP/sip ↗

packagehttps://pypi.org/project/sip/ ↗

homepagehttps://riverbankcomputing.com/software/sip/intro ↗