Backport PR #61519: BUILD: Bump Cython to 3.1 (#61558)

* Backport PR #61519: BUILD: Bump Cython to 3.1

* Remove files that don't exist on 2.3.x

---------

Co-authored-by: Richard Shadrach <[email protected]>

Author: mroeschke

asv_bench/asv.conf.json

@@ -41,7 +41,8 @@
     // pip (with all the conda available packages installed first,
     // followed by the pip installed packages).
     "matrix": {
-        "Cython": ["3.0.5"],
+        "pip+build": [],
+        "Cython": [],
         "matplotlib": [],
         "sqlalchemy": [],
         "scipy": [],

ci/deps/actions-310-minimum_versions.yaml

@@ -8,7 +8,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython>=0.29.33
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-310.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython>=0.29.33
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-311-downstream_compat.yaml

@@ -7,7 +7,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython>=0.29.33
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-311-numpydev.yaml

@@ -8,7 +8,7 @@ dependencies:
   - versioneer
   - meson=1.2.1
   - meson-python=0.13.1
-  - cython>=0.29.33
+  - cython<4.0.0a0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-311-pyarrownightly.yaml

@@ -7,7 +7,7 @@ dependencies:
   # build dependencies
   - versioneer
   - meson=1.2.1
-  - cython>=0.29.33
+  - cython<4.0.0a0
   - meson-python=0.13.1
 
   # test dependencies

ci/deps/actions-311.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython>=0.29.33
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-312.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython>=0.29.33
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-pypy-39.yaml

@@ -9,7 +9,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython>=0.29.33
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

environment.yml

@@ -8,7 +8,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython=3.0.5
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

pyproject.toml

@@ -5,8 +5,8 @@ requires = [
     "meson-python>=0.13.1",
     "meson>=1.2.1,<2",
     "wheel",
-    "Cython~=3.0.5",  # Note: sync with setup.py, environment.yml and asv.conf.json
-    # Force numpy higher than 2.0, so that built wheels are compatible
+    "Cython<4.0.0a0",  # Note: sync with setup.py, environment.yml and asv.conf.json
+    # Force numpy higher than 2.0rc1, so that built wheels are compatible
     # with both numpy 1 and 2
     "numpy>=2.0",
     "versioneer[toml]"

requirements-dev.txt

@@ -3,7 +3,7 @@
 
 pip
 versioneer[toml]
-cython==3.0.5
+cython<4.0.0a0
 meson[ninja]==1.2.1
 meson-python==0.13.1
 pytest>=7.3.2