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Write Python extension modules in Swift — PyO3 for Swift

5 starsSwift

ApplePy – Embed and Call Swift from Python (Like PyO3, but for Swift)

by sheepscreek·Apr 12, 2026·2 points·2 comments
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AI Analysis

●●●BangerZero to OneWizardryNiche Gem

PyO3 for Swift with compile-time GIL enforcement and direct CoreML access.

Strengths
  • •Swift macros eliminate boilerplate for @PyFunction, @PyClass, @PyMethod bindings
  • •GILGuard provides compile-time scope enforcement preventing GIL escape errors
  • •Comprehensive type mapping including tuples, Optionals, and Swift enums to Python
Weaknesses
  • •Zero stars at launch suggests untested code and unknown production stability
  • •macOS-only limitation restricts audience to Apple ecosystem developers
Target Audience

Python developers on macOS needing Apple framework access, Swift developers building Python bindings

Similar To

PyO3 · swift-python · PythonKit

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