BLD: add support for building against Python's Limited API

neutrinoceros · neutrinoceros · commit ff004626e4ad · 2026-05-31T18:28:03.000+02:00
diff --git a/bottleneck/src/bottleneck.h b/bottleneck/src/bottleneck.h
@@ -7,6 +7,11 @@
 #include <numpy/arrayobject.h>
 #include <bn_config.h>
 
+#ifdef Py_LIMITED_API
+    #define PyTuple_GET_ITEM PyTuple_GetItem
+    #define PyTuple_GET_SIZE PyTuple_Size
+#endif
+
 /* THREADS=1 releases the GIL but increases function call
  * overhead. THREADS=0 does not release the GIL but keeps
  * function call overhead low. Curly brackets are for C89
diff --git a/pyproject.toml b/pyproject.toml
@@ -99,6 +99,7 @@ skip = [
     "*_i686",
     "cp310-win_arm64", # no numpy wheels for this target
 ]
+environment = { "BN_LIMITED_API" = "1" }
 
 [tool.ruff]
 exclude = [

Original file line number	Diff line number	Diff line change
`@@ -99,6 +99,7 @@ skip = [`
`99`	`99`	`"*_i686",`
`100`	`100`	`"cp310-win_arm64", # no numpy wheels for this target`
`101`	`101`	`]`
	`102`	`+environment = { "BN_LIMITED_API" = "1" }`
`102`	`103`
`103`	`104`	`[tool.ruff]`
`104`	`105`	`exclude = [`