Fixed #205: only require delocate on Windows

Author: rgaudin

CHANGELOG.md

@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- n/a
+### Changed
+
+- `delocate` dependency only required on Windows platform
 
 ## [3.5.0]
 

pyproject.toml

@@ -3,7 +3,7 @@ requires = [
   "setuptools == 74.1.1",
   "wheel == 0.44.0",
   "cython == 3.0.11",
-  "delocate==0.11.0",
+  "delocate == 0.11.0 ; platform_system=='Windows'",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -70,7 +70,7 @@ build = [
   "setuptools == 74.1.1",
   "wheel == 0.44.0",
   "cython == 3.0.11",
-  "delocate==0.11.0",
+  "delocate == 0.11.0 ; platform_system=='Windows'",
 ]
 dev = [
   "pre-commit==3.8.0",

setup.py

@@ -27,7 +27,6 @@
 
 from Cython.Build import cythonize
 from Cython.Distutils.build_ext import new_build_ext as build_ext
-from delocate.wheeltools import InWheel
 from setuptools import Command, Extension, setup
 
 
@@ -350,6 +349,8 @@ def repair_windows_wheel(self, wheel: Path, dest_dir: Path):
         """opens windows wheels in target folder and moves all DLLs files inside
         subdirectories of the wheel to the root one (where wrapper is expected)"""
 
+        from delocate.wheeltools import InWheel
+
         # we're only interested in windows wheels
         if not re.match(r"libzim-.+-win_.+", wheel.stem):
             return