drop obsolete python

Author: tonigi

AGENTS.md

@@ -6,7 +6,7 @@
 
 ## Codex specific instructions
 
-Set the UV_CACHE directory to the repository's `.uv-cache` directory to workaround 
+Set the UV_CACHE_DIR directory to the repository's `.uv-cache` directory to workaround 
 sandboxing issues.
 
 

dtw/dtw.py

@@ -351,17 +351,18 @@ def dtw(x, y=None,
 
 
     if y is None:
-        x = numpy.array(x)
-        if len(x.shape) != 2:
-            _error("A 2D local distance matrix was expected")
         lm = numpy.array(x)
+        if lm.ndim != 2:
+            _error("A 2D local distance matrix was expected")
     else:
-        x2, y2 = numpy.atleast_2d(x), numpy.atleast_2d(y)
-        if x2.shape[0] == 1:
-            x2 = x2.T
-        if y2.shape[0] == 1:
-            y2 = y2.T
-        lm = scipy.spatial.distance.cdist(x2, y2, metric=dist_method)
+        x, y = numpy.asarray(x), numpy.asarray(y)
+        if x.ndim > 2 or y.ndim > 2:
+            _error("Input arrays should be 1 or 2 dimensional")
+        if x.ndim == 1:
+            x = numpy.atleast_2d(x).T
+        if y.ndim == 1:
+            y = numpy.atleast_2d(y).T
+        lm = scipy.spatial.distance.cdist(x, y, metric=dist_method)
 
     wfun = _canonicalizeWindowFunction(window_type)
 

pyproject.toml

@@ -4,9 +4,10 @@
 [build-system]
 # Minimum requirements for the build system to execute.
 # PEP 508 specifications.
-requires = ["setuptools", 
+requires = [
+    "setuptools>=69", 
     "wheel",
-    "Cython",
+    "Cython>=3",
     'numpy>=2.0; python_version>="3.9"',
     'numpy; python_version<"3.9"',
 ]
@@ -19,11 +20,10 @@ build-backend = "setuptools.build_meta"
 name = "dtw-python"
 dynamic = ["version"]
 dependencies = [
-  'numpy>=1.23.5; python_version>="3.9"',
-  'numpy; python_version<"3.9"',
+  "numpy>=2.0",
   "scipy"
 ]
-requires-python = ">= 3.6"
+requires-python = ">=3.9"
 authors = [
     {name = "Toni Giorgino", email = "toni.giorgino@gmail.com"},
 ]