From 5330c58bda668f1cfb055aa41154f2f1421bad5b Mon Sep 17 00:00:00 2001
From: cvanelteren <caspervanelteren@gmail.com>
Date: Tue, 18 Feb 2025 13:18:09 +0100
Subject: [PATCH 1/3] add necessary noexcept for more recent cython

---
 packages/basemap/src/_geoslib.pyx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/basemap/src/_geoslib.pyx b/packages/basemap/src/_geoslib.pyx
index 676ac4d4b..6d1e36914 100644
--- a/packages/basemap/src/_geoslib.pyx
+++ b/packages/basemap/src/_geoslib.pyx
@@ -112,7 +112,7 @@ cdef extern from "geos_c.h":
 # Cython 3: Next cdef needs "noexcept" declaration unless
 # the compiler directive "legacy_implicit_noexcept" is used
 # ("noexcept" syntax supported since Cython 0.29.31).
-cdef void notice_h(const char *fmt, ...):
+cdef void notice_h(const char *fmt, ...) noexcept:
     pass
     #format = PyBytes_FromString(fmt)
     #message = PyBytes_FromString(msg)

From 05e1608cfe0b934a78baf167ce14305c26120e7b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADctor=20Molina=20Garc=C3=ADa?=
 <molinav@users.noreply.github.com>
Date: Mon, 24 Feb 2025 08:50:54 +0100
Subject: [PATCH 2/3] Update minimum pin for Cython in requirements

The `noexcept` syntax was first included in Cython 3.0, and it was
backported only from Cython 0.29.31 onwards.
---
 packages/basemap/pyproject.toml         | 2 +-
 packages/basemap/requirements-setup.txt | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/packages/basemap/pyproject.toml b/packages/basemap/pyproject.toml
index 8ab927ff8..d5dfe2906 100644
--- a/packages/basemap/pyproject.toml
+++ b/packages/basemap/pyproject.toml
@@ -3,6 +3,6 @@ requires = [
     'setuptools',
     'wheel',
     'numpy == 2.0.0',
-    'cython >= 0.29, < 3.1',
+    'cython >= 0.29.31, < 3.1',
 ]
 build-backend = "setuptools.build_meta"
diff --git a/packages/basemap/requirements-setup.txt b/packages/basemap/requirements-setup.txt
index 6f39a1a05..d12bb0661 100644
--- a/packages/basemap/requirements-setup.txt
+++ b/packages/basemap/requirements-setup.txt
@@ -1,2 +1 @@
-cython >= 0.29, < 3.1; python_version >= "3.3" or python_version < "3.0"
-cython >= 0.26, < 0.27; python_version == "3.2"
+cython >= 0.29.31, < 3.1

From 31338336fa1a3001621ea54114a62be60c417662 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADctor=20Molina=20Garc=C3=ADa?=
 <molinav@users.noreply.github.com>
Date: Mon, 24 Feb 2025 08:52:30 +0100
Subject: [PATCH 3/3] Remove unneeded legacy_implicit_noexcept in setup.py

Since the code is migrated to use `noexcept`, this Cython directive
is no longer needed.
---
 packages/basemap/setup.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/basemap/setup.py b/packages/basemap/setup.py
index 8d2bebdd0..3a16d3d64 100644
--- a/packages/basemap/setup.py
+++ b/packages/basemap/setup.py
@@ -162,7 +162,6 @@ def run(self):
 for ext in ext_modules:
     ext.cython_directives = [
         ("language_level", str(sys.version_info[0])),
-        ("legacy_implicit_noexcept", True),
     ][:1 + int(cython_major_version >= 3)]
 
 # Define all the different requirements.