Support Python gte 3.12 (pkg_resources ModuleNotFoundError)

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools>=67.0.0", "wheel"]
+build-backend = "setuptools.build_meta"

setup.py

@@ -1,14 +1,18 @@
 import sys
-
-from pkg_resources import VersionConflict, require
 from setuptools import setup
 
+# Delay pkg_resources import to avoid build errors in Python 3.12
 try:
-    require("setuptools>=38.3")
-except VersionConflict:
-    print("Error: version of setuptools is too old (<38.3)!")
-    sys.exit(1)
-
+   import pkg_resources
+   from pkg_resources import VersionConflict, require
+   try:
+       require("setuptools>=38.3")
+   except VersionConflict:
+       print("Error: version of setuptools is too old (<38.3)!")
+       sys.exit(1)
+except ModuleNotFoundError:
+   # Skip check if pkg_resources is not yet installed
+   pass
 
 if __name__ == "__main__":
-    setup()
+   setup()

snafu/run_snafu.py

@@ -26,6 +26,12 @@
 from distutils.util import strtobool
 
 import configargparse
+
+# NumPy 2.0: elasticsearch 7.x uses np.float_ (removed in 2.0); use float64
+import numpy as np
+if not hasattr(np, "float_"):
+    np.float_ = np.float64
+
 import elasticsearch
 import urllib3